/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_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis PETRI_NET --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-14 00:12:42,265 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 00:12:42,314 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 [2025-04-14 00:12:42,318 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 00:12:42,318 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 00:12:42,339 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 00:12:42,340 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 00:12:42,340 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 00:12:42,340 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-14 00:12:42,340 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-14 00:12:42,340 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 00:12:42,340 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 00:12:42,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 00:12:42,341 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 00:12:42,341 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 00:12:42,342 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:42,342 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:42,342 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 00:12:42,342 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 00:12:42,343 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 00:12:42,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 00:12:42,343 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-14 00:12:42,343 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-14 00:12:42,343 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 00:12:42,343 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 00:12:42,552 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 00:12:42,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 00:12:42,561 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 00:12:42,562 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 00:12:42,562 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 00:12:42,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2025-04-14 00:12:43,928 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6ea81ac0/531ade5f15114828a08fc9d53ef2ac7f/FLAGefd3aeb58 [2025-04-14 00:12:44,299 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 00:12:44,300 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2025-04-14 00:12:44,330 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6ea81ac0/531ade5f15114828a08fc9d53ef2ac7f/FLAGefd3aeb58 [2025-04-14 00:12:45,037 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6ea81ac0/531ade5f15114828a08fc9d53ef2ac7f [2025-04-14 00:12:45,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 00:12:45,040 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 00:12:45,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 00:12:45,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 00:12:45,044 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 00:12:45,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:12:45" (1/1) ... [2025-04-14 00:12:45,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3485fe52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:45, skipping insertion in model container [2025-04-14 00:12:45,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:12:45" (1/1) ... [2025-04-14 00:12:45,108 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 00:12:45,371 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_set.i[5520,5533] [2025-04-14 00:12:49,800 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:49,801 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:49,860 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:12:49,879 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 00:12:49,895 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_set.i[5520,5533] [2025-04-14 00:12:49,986 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] [2025-04-14 00:12:49,988 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] [2025-04-14 00:12:49,988 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] [2025-04-14 00:12:49,988 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] [2025-04-14 00:12:50,071 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-14 00:12:50,103 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:50,104 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:50,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:12:50,410 INFO L204 MainTranslator]: Completed translation [2025-04-14 00:12:50,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50 WrapperNode [2025-04-14 00:12:50,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 00:12:50,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 00:12:50,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 00:12:50,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 00:12:50,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,487 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,541 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 53, statements flattened = 718 [2025-04-14 00:12:50,541 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 00:12:50,542 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 00:12:50,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 00:12:50,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 00:12:50,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,559 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,593 INFO L175 MemorySlicer]: Split 69 memory accesses to 12 slices as follows [2, 1, 2, 7, 9, 1, 25, 10, 4, 4, 2, 2]. 36 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 2, 4, 4, 0, 25, 8, 0, 4, 0, 0]. The 7 writes are split as follows [0, 0, 0, 2, 0, 0, 0, 1, 1, 0, 1, 2]. [2025-04-14 00:12:50,594 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,594 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,621 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,638 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,644 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,655 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 00:12:50,660 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 00:12:50,660 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 00:12:50,660 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 00:12:50,661 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (1/1) ... [2025-04-14 00:12:50,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:50,674 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 00:12:50,690 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) [2025-04-14 00:12:50,692 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 [2025-04-14 00:12:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-14 00:12:50,711 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 00:12:50,712 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#10 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#11 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 00:12:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_open [2025-04-14 00:12:50,713 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_open [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-14 00:12:50,713 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#10 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#11 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-14 00:12:50,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#10 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#11 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-14 00:12:50,715 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2025-04-14 00:12:50,715 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2025-04-14 00:12:50,718 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 00:12:51,076 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 00:12:51,078 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 00:12:51,187 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6894: havoc pc8736x_gpio_open_#t~ret1142#1; [2025-04-14 00:12:51,187 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L1664: havoc iminor_#t~mem333#1; [2025-04-14 00:12:51,187 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6702: havoc nonseekable_open_#t~nondet1100#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6713: havoc platform_device_add_#t~nondet1102#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-15: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-20: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-25: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-30: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,750 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc alloc_chrdev_region_#t~nondet1085#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915-1: SUMMARY for call ULTIMATE.dealloc(pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset); srcloc: null [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: havoc pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6717: havoc platform_device_alloc_#t~ret1103#1.base, platform_device_alloc_#t~ret1103#1.offset; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-8: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-16: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-24: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-32: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-40: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc cdev_add_#t~nondet1088#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6738: havoc register_chrdev_region_#t~nondet1106#1; [2025-04-14 00:12:51,751 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6607: havoc __request_region_#t~ret1083#1.base, __request_region_#t~ret1083#1.offset; [2025-04-14 00:12:51,823 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,823 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,823 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:51,824 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 00:12:51,825 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 00:12:51,825 INFO L318 CfgBuilder]: Performing block encoding [2025-04-14 00:12:53,493 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 00:12:53,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:12:53 BoogieIcfgContainer [2025-04-14 00:12:53,493 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 00:12:53,495 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 00:12:53,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 00:12:53,543 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 00:12:53,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:12:45" (1/3) ... [2025-04-14 00:12:53,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee30744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:12:53, skipping insertion in model container [2025-04-14 00:12:53,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:50" (2/3) ... [2025-04-14 00:12:53,547 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ee30744 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:12:53, skipping insertion in model container [2025-04-14 00:12:53,547 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:12:53" (3/3) ... [2025-04-14 00:12:53,548 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i [2025-04-14 00:12:53,564 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 00:12:53,567 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_open_pc8736x_gpio_set.i that has 3 procedures, 41 locations, 68 edges, 1 initial locations, 15 loop locations, and 3 error locations. [2025-04-14 00:12:53,567 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 00:12:53,654 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 00:12:53,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 47 places, 70 transitions, 154 flow [2025-04-14 00:12:53,736 INFO L116 PetriNetUnfolderBase]: 30/68 cut-off events. [2025-04-14 00:12:53,739 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-14 00:12:53,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 77 conditions, 68 events. 30/68 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 127 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 61. Up to 7 conditions per place. [2025-04-14 00:12:53,742 INFO L82 GeneralOperation]: Start removeDead. Operand has 47 places, 70 transitions, 154 flow [2025-04-14 00:12:53,745 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 43 places, 66 transitions, 141 flow [2025-04-14 00:12:53,753 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-14 00:12:53,767 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6f8980cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 00:12:53,767 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-14 00:12:53,787 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-14 00:12:53,788 INFO L116 PetriNetUnfolderBase]: 5/9 cut-off events. [2025-04-14 00:12:53,788 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:53,790 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:53,791 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-04-14 00:12:53,791 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 4 more)] === [2025-04-14 00:12:53,795 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:53,795 INFO L85 PathProgramCache]: Analyzing trace with hash 1827103, now seen corresponding path program 1 times [2025-04-14 00:12:53,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:53,802 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682595036] [2025-04-14 00:12:53,802 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:53,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:53,930 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-14 00:12:54,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-14 00:12:54,021 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:54,021 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:54,548 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:12:54,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:54,549 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682595036] [2025-04-14 00:12:54,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682595036] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:54,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:12:54,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-14 00:12:54,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746968556] [2025-04-14 00:12:54,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:54,556 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 00:12:54,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:54,576 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 00:12:54,577 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 00:12:54,578 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 70 [2025-04-14 00:12:54,579 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 66 transitions, 141 flow. Second operand has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 00:12:54,579 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:54,579 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 70 [2025-04-14 00:12:54,580 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:54,773 INFO L116 PetriNetUnfolderBase]: 172/296 cut-off events. [2025-04-14 00:12:54,773 INFO L117 PetriNetUnfolderBase]: For 14/14 co-relation queries the response was YES. [2025-04-14 00:12:54,774 INFO L83 FinitePrefix]: Finished finitePrefix Result has 624 conditions, 296 events. 172/296 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 842 event pairs, 112 based on Foata normal form. 0/234 useless extension candidates. Maximal degree in co-relation 551. Up to 294 conditions per place. [2025-04-14 00:12:54,776 INFO L140 encePairwiseOnDemand]: 56/70 looper letters, 49 selfloop transitions, 0 changer transitions 2/52 dead transitions. [2025-04-14 00:12:54,776 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 52 transitions, 215 flow [2025-04-14 00:12:54,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 00:12:54,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-04-14 00:12:54,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 71 transitions. [2025-04-14 00:12:54,785 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.5071428571428571 [2025-04-14 00:12:54,786 INFO L175 Difference]: Start difference. First operand has 43 places, 66 transitions, 141 flow. Second operand 2 states and 71 transitions. [2025-04-14 00:12:54,786 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 52 transitions, 215 flow [2025-04-14 00:12:54,789 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 52 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-14 00:12:54,790 INFO L231 Difference]: Finished difference. Result has 39 places, 50 transitions, 103 flow [2025-04-14 00:12:54,792 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=103, PETRI_PLACES=39, PETRI_TRANSITIONS=50} [2025-04-14 00:12:54,794 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, -4 predicate places. [2025-04-14 00:12:54,794 INFO L485 AbstractCegarLoop]: Abstraction has has 39 places, 50 transitions, 103 flow [2025-04-14 00:12:54,794 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 00:12:54,794 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:54,794 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:12:54,794 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 00:12:54,795 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-14 00:12:54,795 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:54,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1417395631, now seen corresponding path program 1 times [2025-04-14 00:12:54,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:54,795 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1756846204] [2025-04-14 00:12:54,795 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:54,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:54,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-14 00:12:54,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-14 00:12:54,945 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:54,945 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:55,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:12:55,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:55,280 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1756846204] [2025-04-14 00:12:55,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1756846204] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:55,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:12:55,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 00:12:55,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258584482] [2025-04-14 00:12:55,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:55,281 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 00:12:55,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:55,281 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 00:12:55,281 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 00:12:55,281 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 70 [2025-04-14 00:12:55,281 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 50 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 00:12:55,281 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:55,281 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 70 [2025-04-14 00:12:55,281 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:55,475 INFO L116 PetriNetUnfolderBase]: 161/275 cut-off events. [2025-04-14 00:12:55,475 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:55,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 275 events. 161/275 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 759 event pairs, 101 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 572. Up to 272 conditions per place. [2025-04-14 00:12:55,476 INFO L140 encePairwiseOnDemand]: 66/70 looper letters, 48 selfloop transitions, 2 changer transitions 0/51 dead transitions. [2025-04-14 00:12:55,476 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 51 transitions, 205 flow [2025-04-14 00:12:55,477 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 00:12:55,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-14 00:12:55,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 61 transitions. [2025-04-14 00:12:55,477 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.2904761904761905 [2025-04-14 00:12:55,478 INFO L175 Difference]: Start difference. First operand has 39 places, 50 transitions, 103 flow. Second operand 3 states and 61 transitions. [2025-04-14 00:12:55,478 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 51 transitions, 205 flow [2025-04-14 00:12:55,478 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 205 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-04-14 00:12:55,479 INFO L231 Difference]: Finished difference. Result has 40 places, 51 transitions, 117 flow [2025-04-14 00:12:55,479 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=103, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=117, PETRI_PLACES=40, PETRI_TRANSITIONS=51} [2025-04-14 00:12:55,480 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2025-04-14 00:12:55,480 INFO L485 AbstractCegarLoop]: Abstraction has has 40 places, 51 transitions, 117 flow [2025-04-14 00:12:55,480 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 00:12:55,480 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:55,480 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:12:55,480 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 00:12:55,480 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-14 00:12:55,481 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:55,481 INFO L85 PathProgramCache]: Analyzing trace with hash 967492830, now seen corresponding path program 1 times [2025-04-14 00:12:55,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:55,481 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519477329] [2025-04-14 00:12:55,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:55,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:55,521 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 00:12:55,553 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 00:12:55,553 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:55,553 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:55,785 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:12:55,786 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:55,786 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519477329] [2025-04-14 00:12:55,786 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519477329] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 00:12:55,786 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634088475] [2025-04-14 00:12:55,786 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:55,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 00:12:55,786 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 00:12:55,788 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) [2025-04-14 00:12:55,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-14 00:12:56,085 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 00:12:56,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 00:12:56,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:56,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:56,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 00:12:56,208 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 00:12:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 00:12:56,239 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 00:12:56,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634088475] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:56,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 00:12:56,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-14 00:12:56,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808162345] [2025-04-14 00:12:56,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:56,239 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 00:12:56,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:56,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 00:12:56,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-04-14 00:12:56,244 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 70 [2025-04-14 00:12:56,244 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 51 transitions, 117 flow. 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) [2025-04-14 00:12:56,244 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:56,244 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 70 [2025-04-14 00:12:56,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:56,417 INFO L116 PetriNetUnfolderBase]: 152/263 cut-off events. [2025-04-14 00:12:56,417 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:56,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 552 conditions, 263 events. 152/263 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 853 event pairs, 11 based on Foata normal form. 8/219 useless extension candidates. Maximal degree in co-relation 547. Up to 201 conditions per place. [2025-04-14 00:12:56,418 INFO L140 encePairwiseOnDemand]: 66/70 looper letters, 0 selfloop transitions, 0 changer transitions 55/55 dead transitions. [2025-04-14 00:12:56,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 55 transitions, 235 flow [2025-04-14 00:12:56,418 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 00:12:56,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-14 00:12:56,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 63 transitions. [2025-04-14 00:12:56,419 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.3 [2025-04-14 00:12:56,419 INFO L175 Difference]: Start difference. First operand has 40 places, 51 transitions, 117 flow. Second operand 3 states and 63 transitions. [2025-04-14 00:12:56,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 55 transitions, 235 flow [2025-04-14 00:12:56,419 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 55 transitions, 231 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-04-14 00:12:56,420 INFO L231 Difference]: Finished difference. Result has 40 places, 0 transitions, 0 flow [2025-04-14 00:12:56,420 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=70, PETRI_DIFFERENCE_MINUEND_FLOW=111, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=40, PETRI_TRANSITIONS=0} [2025-04-14 00:12:56,420 INFO L279 CegarLoopForPetriNet]: 43 programPoint places, -3 predicate places. [2025-04-14 00:12:56,420 INFO L485 AbstractCegarLoop]: Abstraction has has 40 places, 0 transitions, 0 flow [2025-04-14 00:12:56,420 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) [2025-04-14 00:12:56,423 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2025-04-14 00:12:56,424 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2025-04-14 00:12:56,424 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-04-14 00:12:56,424 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2025-04-14 00:12:56,424 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2025-04-14 00:12:56,425 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_openErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2025-04-14 00:12:56,425 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2025-04-14 00:12:56,433 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-04-14 00:12:56,625 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 [2025-04-14 00:12:56,626 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-14 00:12:56,629 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 00:12:56,629 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 00:12:56,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:12:56 BasicIcfg [2025-04-14 00:12:56,632 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 00:12:56,633 INFO L158 Benchmark]: Toolchain (without parser) took 11593.12ms. Allocated memory was 155.2MB in the beginning and 469.8MB in the end (delta: 314.6MB). Free memory was 98.8MB in the beginning and 256.1MB in the end (delta: -157.3MB). Peak memory consumption was 155.6MB. Max. memory is 8.0GB. [2025-04-14 00:12:56,633 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:12:56,633 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5369.98ms. Allocated memory was 155.2MB in the beginning and 159.4MB in the end (delta: 4.2MB). Free memory was 98.8MB in the beginning and 72.7MB in the end (delta: 26.1MB). Peak memory consumption was 115.3MB. Max. memory is 8.0GB. [2025-04-14 00:12:56,633 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.96ms. Allocated memory is still 159.4MB. Free memory was 72.7MB in the beginning and 61.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 00:12:56,634 INFO L158 Benchmark]: Boogie Preprocessor took 113.54ms. Allocated memory is still 159.4MB. Free memory was 61.1MB in the beginning and 50.6MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 00:12:56,634 INFO L158 Benchmark]: IcfgBuilder took 2833.71ms. Allocated memory was 159.4MB in the beginning and 469.8MB in the end (delta: 310.4MB). Free memory was 49.6MB in the beginning and 107.3MB in the end (delta: -57.7MB). Peak memory consumption was 253.8MB. Max. memory is 8.0GB. [2025-04-14 00:12:56,634 INFO L158 Benchmark]: TraceAbstraction took 3137.64ms. Allocated memory is still 469.8MB. Free memory was 105.2MB in the beginning and 256.1MB in the end (delta: -150.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:12:56,635 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 86.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5369.98ms. Allocated memory was 155.2MB in the beginning and 159.4MB in the end (delta: 4.2MB). Free memory was 98.8MB in the beginning and 72.7MB in the end (delta: 26.1MB). Peak memory consumption was 115.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 129.96ms. Allocated memory is still 159.4MB. Free memory was 72.7MB in the beginning and 61.1MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 113.54ms. Allocated memory is still 159.4MB. Free memory was 61.1MB in the beginning and 50.6MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgBuilder took 2833.71ms. Allocated memory was 159.4MB in the beginning and 469.8MB in the end (delta: 310.4MB). Free memory was 49.6MB in the beginning and 107.3MB in the end (delta: -57.7MB). Peak memory consumption was 253.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3137.64ms. Allocated memory is still 469.8MB. Free memory was 105.2MB in the beginning and 256.1MB in the end (delta: -150.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 61 locations, 100 edges, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.0s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 236 IncrementalHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 1 mSDtfsCounter, 236 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=141occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 96 SizeOfPredicates, 1 NumberOfNonLiveVariables, 629 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 00:12:56,650 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request...