/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_configure_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-14 00:12:13,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 00:12:13,767 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 00:12:13,771 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 00:12:13,771 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 00:12:13,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 00:12:13,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 00:12:13,797 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 00:12:13,797 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-14 00:12:13,797 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-14 00:12:13,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 00:12:13,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 00:12:13,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 00:12:13,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 00:12:13,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 00:12:13,799 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:12:13,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:13,800 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:13,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-14 00:12:13,800 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 00:12:13,800 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 00:12:14,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 00:12:14,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 00:12:14,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 00:12:14,040 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 00:12:14,041 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 00:12:14,042 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2025-04-14 00:12:15,452 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5674780/80110c3eb50d4829aea5e49fcdea8b4f/FLAG2ca58a32f [2025-04-14 00:12:15,959 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 00:12:15,960 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2025-04-14 00:12:16,007 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5674780/80110c3eb50d4829aea5e49fcdea8b4f/FLAG2ca58a32f [2025-04-14 00:12:16,502 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/af5674780/80110c3eb50d4829aea5e49fcdea8b4f [2025-04-14 00:12:16,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 00:12:16,506 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 00:12:16,507 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 00:12:16,507 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 00:12:16,511 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 00:12:16,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:12:16" (1/1) ... [2025-04-14 00:12:16,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67dc0278 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:16, skipping insertion in model container [2025-04-14 00:12:16,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:12:16" (1/1) ... [2025-04-14 00:12:16,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 00:12:16,931 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_configure_pc8736x_gpio_set.i[5520,5533] [2025-04-14 00:12:21,620 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:21,621 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:21,683 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:12:21,696 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 00:12:21,712 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_configure_pc8736x_gpio_set.i[5520,5533] [2025-04-14 00:12:21,789 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 00:12:21,790 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 00:12:21,790 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 00:12:21,790 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 00:12:21,905 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-14 00:12:21,935 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:21,935 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:21,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:12:22,358 INFO L204 MainTranslator]: Completed translation [2025-04-14 00:12:22,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22 WrapperNode [2025-04-14 00:12:22,359 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 00:12:22,360 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 00:12:22,360 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 00:12:22,360 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 00:12:22,365 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,431 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,481 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 72, statements flattened = 813 [2025-04-14 00:12:22,481 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 00:12:22,482 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 00:12:22,482 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 00:12:22,482 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 00:12:22,489 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,498 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,540 INFO L175 MemorySlicer]: Split 69 memory accesses to 10 slices as follows [2, 1, 4, 5, 7, 9, 10, 25, 4, 2]. 36 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 0, 2, 4, 4, 8, 25, 4, 0]. The 8 writes are split as follows [0, 0, 1, 2, 2, 0, 1, 0, 0, 2]. [2025-04-14 00:12:22,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,561 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,563 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,572 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,583 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 00:12:22,583 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 00:12:22,583 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 00:12:22,583 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 00:12:22,584 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (1/1) ... [2025-04-14 00:12:22,588 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:22,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 00:12:22,670 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 00:12:22,676 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 00:12:22,696 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-14 00:12:22,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 00:12:22,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-14 00:12:22,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-14 00:12:22,699 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-14 00:12:22,699 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-14 00:12:22,700 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-14 00:12:22,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-14 00:12:22,704 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 00:12:23,052 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 00:12:23,054 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 00:12:23,271 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,271 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,271 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6832: havoc pc8736x_gpio_configure_#t~ret1120#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6713: havoc platform_device_add_#t~nondet1102#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-15: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-20: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-25: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,799 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-30: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc alloc_chrdev_region_#t~nondet1085#1; [2025-04-14 00:12:23,800 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 00:12:23,800 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 00:12:23,800 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 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-8: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-16: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-24: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-32: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-40: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc cdev_add_#t~nondet1088#1; [2025-04-14 00:12:23,800 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6738: havoc register_chrdev_region_#t~nondet1106#1; [2025-04-14 00:12:23,801 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6607: havoc __request_region_#t~ret1083#1.base, __request_region_#t~ret1083#1.offset; [2025-04-14 00:12:23,861 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,861 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,861 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:23,862 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 00:12:23,862 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 00:12:23,862 INFO L318 CfgBuilder]: Performing block encoding [2025-04-14 00:12:25,659 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 00:12:25,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:12:25 BoogieIcfgContainer [2025-04-14 00:12:25,660 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 00:12:25,662 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 00:12:25,662 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 00:12:25,666 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 00:12:25,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:12:16" (1/3) ... [2025-04-14 00:12:25,667 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1149218a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:12:25, skipping insertion in model container [2025-04-14 00:12:25,667 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:22" (2/3) ... [2025-04-14 00:12:25,668 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1149218a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:12:25, skipping insertion in model container [2025-04-14 00:12:25,668 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:12:25" (3/3) ... [2025-04-14 00:12:25,669 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2025-04-14 00:12:25,683 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 00:12:25,687 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i that has 3 procedures, 51 locations, 85 edges, 1 initial locations, 14 loop locations, and 2 error locations. [2025-04-14 00:12:25,687 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 00:12:25,827 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 00:12:25,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 87 transitions, 188 flow [2025-04-14 00:12:25,904 INFO L116 PetriNetUnfolderBase]: 37/85 cut-off events. [2025-04-14 00:12:25,908 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-14 00:12:25,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 85 events. 37/85 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 170 event pairs, 0 based on Foata normal form. 0/46 useless extension candidates. Maximal degree in co-relation 61. Up to 7 conditions per place. [2025-04-14 00:12:25,910 INFO L82 GeneralOperation]: Start removeDead. Operand has 57 places, 87 transitions, 188 flow [2025-04-14 00:12:25,914 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 53 places, 83 transitions, 175 flow [2025-04-14 00:12:25,922 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-14 00:12:25,932 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;@3229858b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 00:12:25,932 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 00:12:25,943 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-14 00:12:25,943 INFO L116 PetriNetUnfolderBase]: 5/9 cut-off events. [2025-04-14 00:12:25,943 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:25,943 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:25,944 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-04-14 00:12:25,944 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 00:12:25,947 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:25,947 INFO L85 PathProgramCache]: Analyzing trace with hash 2156075, now seen corresponding path program 1 times [2025-04-14 00:12:25,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:25,953 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703475814] [2025-04-14 00:12:25,954 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:25,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:26,098 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-14 00:12:26,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-14 00:12:26,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:26,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:26,720 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 00:12:26,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:26,721 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703475814] [2025-04-14 00:12:26,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703475814] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:26,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:12:26,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-14 00:12:26,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546279354] [2025-04-14 00:12:26,724 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:26,729 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 00:12:26,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:26,747 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 00:12:26,747 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 00:12:26,749 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 87 [2025-04-14 00:12:26,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 83 transitions, 175 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 00:12:26,750 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:26,750 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 87 [2025-04-14 00:12:26,751 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:27,130 INFO L116 PetriNetUnfolderBase]: 938/1359 cut-off events. [2025-04-14 00:12:27,131 INFO L117 PetriNetUnfolderBase]: For 35/35 co-relation queries the response was YES. [2025-04-14 00:12:27,133 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2761 conditions, 1359 events. 938/1359 cut-off events. For 35/35 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4460 event pairs, 530 based on Foata normal form. 0/949 useless extension candidates. Maximal degree in co-relation 2617. Up to 1357 conditions per place. [2025-04-14 00:12:27,142 INFO L140 encePairwiseOnDemand]: 75/87 looper letters, 68 selfloop transitions, 0 changer transitions 2/71 dead transitions. [2025-04-14 00:12:27,142 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 71 transitions, 291 flow [2025-04-14 00:12:27,144 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 00:12:27,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-04-14 00:12:27,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 88 transitions. [2025-04-14 00:12:27,153 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.5057471264367817 [2025-04-14 00:12:27,154 INFO L175 Difference]: Start difference. First operand has 53 places, 83 transitions, 175 flow. Second operand 2 states and 88 transitions. [2025-04-14 00:12:27,154 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 71 transitions, 291 flow [2025-04-14 00:12:27,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 71 transitions, 286 flow, removed 0 selfloop flow, removed 3 redundant places. [2025-04-14 00:12:27,162 INFO L231 Difference]: Finished difference. Result has 50 places, 69 transitions, 141 flow [2025-04-14 00:12:27,164 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=71, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=141, PETRI_PLACES=50, PETRI_TRANSITIONS=69} [2025-04-14 00:12:27,167 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, -3 predicate places. [2025-04-14 00:12:27,167 INFO L485 AbstractCegarLoop]: Abstraction has has 50 places, 69 transitions, 141 flow [2025-04-14 00:12:27,167 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 00:12:27,167 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:27,167 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:12:27,167 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 00:12:27,168 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 00:12:27,168 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:27,168 INFO L85 PathProgramCache]: Analyzing trace with hash 994811153, now seen corresponding path program 1 times [2025-04-14 00:12:27,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:27,169 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993087032] [2025-04-14 00:12:27,169 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:27,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:27,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 11 statements into 1 equivalence classes. [2025-04-14 00:12:27,296 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 11 of 11 statements. [2025-04-14 00:12:27,296 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:27,296 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:27,564 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 00:12:27,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:27,564 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993087032] [2025-04-14 00:12:27,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993087032] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:27,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:12:27,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 00:12:27,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011133152] [2025-04-14 00:12:27,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:27,565 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 00:12:27,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:27,566 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 00:12:27,566 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 00:12:27,567 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 87 [2025-04-14 00:12:27,567 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 69 transitions, 141 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 00:12:27,567 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:27,567 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 87 [2025-04-14 00:12:27,567 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:27,844 INFO L116 PetriNetUnfolderBase]: 859/1237 cut-off events. [2025-04-14 00:12:27,844 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:27,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2499 conditions, 1237 events. 859/1237 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 3935 event pairs, 475 based on Foata normal form. 0/881 useless extension candidates. Maximal degree in co-relation 2496. Up to 1234 conditions per place. [2025-04-14 00:12:27,853 INFO L140 encePairwiseOnDemand]: 83/87 looper letters, 67 selfloop transitions, 2 changer transitions 0/70 dead transitions. [2025-04-14 00:12:27,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 70 transitions, 281 flow [2025-04-14 00:12:27,854 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 00:12:27,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-14 00:12:27,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions. [2025-04-14 00:12:27,854 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.3065134099616858 [2025-04-14 00:12:27,854 INFO L175 Difference]: Start difference. First operand has 50 places, 69 transitions, 141 flow. Second operand 3 states and 80 transitions. [2025-04-14 00:12:27,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 70 transitions, 281 flow [2025-04-14 00:12:27,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 70 transitions, 281 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-04-14 00:12:27,857 INFO L231 Difference]: Finished difference. Result has 51 places, 70 transitions, 155 flow [2025-04-14 00:12:27,857 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=141, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=51, PETRI_TRANSITIONS=70} [2025-04-14 00:12:27,857 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2025-04-14 00:12:27,857 INFO L485 AbstractCegarLoop]: Abstraction has has 51 places, 70 transitions, 155 flow [2025-04-14 00:12:27,857 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 00:12:27,858 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:27,858 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-14 00:12:27,858 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 00:12:27,858 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 00:12:27,858 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:27,858 INFO L85 PathProgramCache]: Analyzing trace with hash 569810878, now seen corresponding path program 1 times [2025-04-14 00:12:27,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:27,858 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814580337] [2025-04-14 00:12:27,858 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:27,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:27,914 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 00:12:27,945 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 00:12:27,946 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:27,946 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:28,314 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 00:12:28,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:28,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814580337] [2025-04-14 00:12:28,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814580337] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 00:12:28,315 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37475748] [2025-04-14 00:12:28,315 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:28,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 00:12:28,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 00:12:28,325 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 00:12:28,337 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 00:12:28,629 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 00:12:28,757 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 00:12:28,758 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:28,758 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:28,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-14 00:12:28,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 00:12:28,802 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 00:12:28,802 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 00:12:28,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37475748] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:28,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 00:12:28,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-14 00:12:28,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683755595] [2025-04-14 00:12:28,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:28,803 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 00:12:28,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:28,803 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 00:12:28,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 00:12:28,807 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 87 [2025-04-14 00:12:28,808 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 70 transitions, 155 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 00:12:28,808 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:28,808 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 87 [2025-04-14 00:12:28,808 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:29,087 INFO L116 PetriNetUnfolderBase]: 801/1176 cut-off events. [2025-04-14 00:12:29,088 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:29,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2356 conditions, 1176 events. 801/1176 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 4492 event pairs, 55 based on Foata normal form. 30/868 useless extension candidates. Maximal degree in co-relation 2351. Up to 972 conditions per place. [2025-04-14 00:12:29,090 INFO L140 encePairwiseOnDemand]: 83/87 looper letters, 0 selfloop transitions, 0 changer transitions 93/93 dead transitions. [2025-04-14 00:12:29,090 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 93 transitions, 387 flow [2025-04-14 00:12:29,091 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 00:12:29,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-04-14 00:12:29,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 101 transitions. [2025-04-14 00:12:29,091 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.38697318007662834 [2025-04-14 00:12:29,091 INFO L175 Difference]: Start difference. First operand has 51 places, 70 transitions, 155 flow. Second operand 3 states and 101 transitions. [2025-04-14 00:12:29,092 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 93 transitions, 387 flow [2025-04-14 00:12:29,092 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 93 transitions, 383 flow, removed 1 selfloop flow, removed 1 redundant places. [2025-04-14 00:12:29,093 INFO L231 Difference]: Finished difference. Result has 51 places, 0 transitions, 0 flow [2025-04-14 00:12:29,093 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=87, PETRI_DIFFERENCE_MINUEND_FLOW=149, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=51, PETRI_TRANSITIONS=0} [2025-04-14 00:12:29,093 INFO L279 CegarLoopForPetriNet]: 53 programPoint places, -2 predicate places. [2025-04-14 00:12:29,093 INFO L485 AbstractCegarLoop]: Abstraction has has 51 places, 0 transitions, 0 flow [2025-04-14 00:12:29,094 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 00:12:29,095 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-04-14 00:12:29,096 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2025-04-14 00:12:29,096 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-04-14 00:12:29,096 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2025-04-14 00:12:29,096 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2025-04-14 00:12:29,105 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-04-14 00:12:29,300 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 00:12:29,300 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-14 00:12:29,304 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 00:12:29,304 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 00:12:29,307 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:12:29 BasicIcfg [2025-04-14 00:12:29,307 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 00:12:29,308 INFO L158 Benchmark]: Toolchain (without parser) took 12802.60ms. Allocated memory was 125.8MB in the beginning and 364.9MB in the end (delta: 239.1MB). Free memory was 74.3MB in the beginning and 60.0MB in the end (delta: 14.3MB). Peak memory consumption was 249.7MB. Max. memory is 8.0GB. [2025-04-14 00:12:29,308 INFO L158 Benchmark]: CDTParser took 1.25ms. Allocated memory is still 159.4MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:12:29,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 5852.42ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 74.3MB in the beginning and 66.4MB in the end (delta: 7.8MB). Peak memory consumption was 132.4MB. Max. memory is 8.0GB. [2025-04-14 00:12:29,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.47ms. Allocated memory is still 239.1MB. Free memory was 66.4MB in the beginning and 53.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 00:12:29,309 INFO L158 Benchmark]: Boogie Preprocessor took 100.91ms. Allocated memory is still 239.1MB. Free memory was 53.9MB in the beginning and 42.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 00:12:29,309 INFO L158 Benchmark]: IcfgBuilder took 3076.97ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 42.8MB in the beginning and 146.4MB in the end (delta: -103.6MB). Peak memory consumption was 152.1MB. Max. memory is 8.0GB. [2025-04-14 00:12:29,309 INFO L158 Benchmark]: TraceAbstraction took 3645.21ms. Allocated memory was 478.2MB in the beginning and 364.9MB in the end (delta: -113.2MB). Free memory was 144.3MB in the beginning and 60.0MB in the end (delta: 84.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:12:29,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.25ms. Allocated memory is still 159.4MB. Free memory is still 85.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 5852.42ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 74.3MB in the beginning and 66.4MB in the end (delta: 7.8MB). Peak memory consumption was 132.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 121.47ms. Allocated memory is still 239.1MB. Free memory was 66.4MB in the beginning and 53.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 100.91ms. Allocated memory is still 239.1MB. Free memory was 53.9MB in the beginning and 42.8MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * IcfgBuilder took 3076.97ms. Allocated memory was 239.1MB in the beginning and 478.2MB in the end (delta: 239.1MB). Free memory was 42.8MB in the beginning and 146.4MB in the end (delta: -103.6MB). Peak memory consumption was 152.1MB. Max. memory is 8.0GB. * TraceAbstraction took 3645.21ms. Allocated memory was 478.2MB in the beginning and 364.9MB in the end (delta: -113.2MB). Free memory was 144.3MB in the beginning and 60.0MB in the end (delta: 84.3MB). 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 - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 81 locations, 134 edges, 5 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: 3.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 40 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 350 IncrementalHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 350 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=175occurred 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, 0.4s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 74 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 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 00:12:29,324 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...