/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 11:35:51,344 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:35:51,400 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 11:35:51,403 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:35:51,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:35:51,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:35:51,425 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:35:51,425 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:35:51,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:35:51,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:35:51,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:35:51,426 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:35:51,426 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:35:51,427 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:35:51,427 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:35:51,427 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:35:51,428 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:35:51,428 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:35:51,428 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:35:51,429 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:35:51,429 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:35:51,429 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:35:51,429 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:35:51,627 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:35:51,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:35:51,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:35:51,634 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:35:51,635 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:35:51,636 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2025-04-14 11:35:52,861 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/601cc76d8/75655fb85c8f441cb58e29c6ca724c93/FLAGb57cd689b [2025-04-14 11:35:53,342 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:35:53,342 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2025-04-14 11:35:53,386 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/601cc76d8/75655fb85c8f441cb58e29c6ca724c93/FLAGb57cd689b [2025-04-14 11:35:54,061 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/601cc76d8/75655fb85c8f441cb58e29c6ca724c93 [2025-04-14 11:35:54,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:35:54,064 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:35:54,065 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:35:54,065 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:35:54,068 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:35:54,068 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:35:54" (1/1) ... [2025-04-14 11:35:54,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@121ebb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:54, skipping insertion in model container [2025-04-14 11:35:54,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:35:54" (1/1) ... [2025-04-14 11:35:54,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:35:54,375 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_get_pc8736x_gpio_set.i[5520,5533] [2025-04-14 11:35:58,139 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 11:35:58,140 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 11:35:58,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:35:58,220 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:35:58,243 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_get_pc8736x_gpio_set.i[5520,5533] [2025-04-14 11:35:58,340 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 11:35:58,342 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 11:35:58,342 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 11:35:58,342 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 11:35:58,436 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-14 11:35:58,504 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 11:35:58,504 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 11:35:58,513 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:35:58,787 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:35:58,788 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58 WrapperNode [2025-04-14 11:35:58,788 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:35:58,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:35:58,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:35:58,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:35:58,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,924 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 51, statements flattened = 708 [2025-04-14 11:35:58,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:35:58,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:35:58,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:35:58,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:35:58,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,945 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,946 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,973 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,974 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,982 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,990 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:58,996 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:59,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:35:59,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:35:59,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:35:59,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:35:59,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (1/1) ... [2025-04-14 11:35:59,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:35:59,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:35:59,035 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 11:35:59,037 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 11:35:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 11:35:59,054 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:35:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2025-04-14 11:35:59,055 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-14 11:35:59,055 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-14 11:35:59,056 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-14 11:35:59,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:35:59,057 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:35:59,390 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:35:59,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:36:00,058 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:36:00,058 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:36:00,688 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:36:00,688 INFO L312 CfgBuilder]: Removed 12 assume(true) statements. [2025-04-14 11:36:00,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:36:00 BoogieIcfgContainer [2025-04-14 11:36:00,688 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:36:00,689 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:36:00,689 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:36:00,692 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:36:00,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:35:54" (1/3) ... [2025-04-14 11:36:00,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401734b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:36:00, skipping insertion in model container [2025-04-14 11:36:00,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:35:58" (2/3) ... [2025-04-14 11:36:00,693 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@401734b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:36:00, skipping insertion in model container [2025-04-14 11:36:00,693 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:36:00" (3/3) ... [2025-04-14 11:36:00,694 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2025-04-14 11:36:00,705 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:36:00,708 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i that has 3 procedures, 66 locations, 97 edges, 1 initial locations, 15 loop locations, and 2 error locations. [2025-04-14 11:36:00,708 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:36:00,760 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 11:36:00,797 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:36:00,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:36:00,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:00,800 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 11:36:00,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 11:36:01,004 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:36:01,016 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 11:36:01,022 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=PARTIAL_ORDER_FA, 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;@2b578bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:36:01,022 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 11:36:01,174 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2025-04-14 11:36:01,174 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:01,175 INFO L139 ounterexampleChecker]: Examining path program with hash 1127214315, occurence #1 [2025-04-14 11:36:01,175 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:01,175 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:01,178 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:01,178 INFO L85 PathProgramCache]: Analyzing trace with hash 842670567, now seen corresponding path program 1 times [2025-04-14 11:36:01,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:01,184 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582979458] [2025-04-14 11:36:01,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:01,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:01,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-14 11:36:01,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-14 11:36:01,378 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:01,378 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:01,987 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 11:36:01,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:01,987 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582979458] [2025-04-14 11:36:01,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582979458] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:01,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:36:01,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 11:36:01,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213650007] [2025-04-14 11:36:01,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:01,991 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:36:01,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:02,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:36:02,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:36:02,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:02,006 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:02,007 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 11:36:02,007 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:02,143 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:02,146 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 11:36:02,147 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 11:36:02,147 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 11:36:02,147 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:36:02,152 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-14 11:36:02,153 INFO L320 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE,SAFE (1/2) [2025-04-14 11:36:02,158 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:36:02,161 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:36:02,161 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_pc8736x_gpio_setThread1of1ForFork1 ======== [2025-04-14 11:36:02,161 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=PARTIAL_ORDER_FA, 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;@2b578bc0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:36:02,161 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 11:36:02,184 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:36:02,184 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:02,184 INFO L139 ounterexampleChecker]: Examining path program with hash 1900778864, occurence #1 [2025-04-14 11:36:02,184 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:02,184 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:02,185 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:02,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1515471395, now seen corresponding path program 1 times [2025-04-14 11:36:02,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:02,185 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265663926] [2025-04-14 11:36:02,185 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:02,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:02,239 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-14 11:36:02,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 11:36:02,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:02,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:02,383 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 11:36:02,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:02,383 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265663926] [2025-04-14 11:36:02,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [265663926] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:02,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:36:02,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 11:36:02,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720430517] [2025-04-14 11:36:02,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:02,384 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 11:36:02,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:02,384 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 11:36:02,384 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 11:36:02,384 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:02,384 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:02,384 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 11:36:02,384 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:02,591 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:02,591 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 11:36:02,591 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:36:02,591 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:02,591 INFO L139 ounterexampleChecker]: Examining path program with hash -1785982800, occurence #1 [2025-04-14 11:36:02,592 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:36:02,592 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:02,592 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:02,592 INFO L85 PathProgramCache]: Analyzing trace with hash -138084118, now seen corresponding path program 1 times [2025-04-14 11:36:02,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:02,592 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214107330] [2025-04-14 11:36:02,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:02,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:02,649 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 11:36:02,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 11:36:02,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:02,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:02,958 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 11:36:02,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:02,958 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214107330] [2025-04-14 11:36:02,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214107330] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:02,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:36:02,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 11:36:02,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067667049] [2025-04-14 11:36:02,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:02,959 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:36:02,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:02,959 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:36:02,959 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:36:02,959 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:02,960 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:02,960 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 2 states have internal predecessors, (36), 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 11:36:02,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:02,960 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:03,075 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:03,075 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:03,076 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 11:36:03,076 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:36:03,076 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:03,076 INFO L139 ounterexampleChecker]: Examining path program with hash -1785982800, occurence #2 [2025-04-14 11:36:03,077 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:36:03,077 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 11:36:03,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 3 [2025-04-14 11:36:03,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 11:36:03,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 11:36:03,078 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,078 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 11:36:03,102 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:03,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 11:36:03,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,102 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 11:36:03,102 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,103 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 11:36:03,103 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:03,103 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:36:03,103 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:03,103 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:03,103 INFO L85 PathProgramCache]: Analyzing trace with hash 44971268, now seen corresponding path program 1 times [2025-04-14 11:36:03,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:03,103 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159716278] [2025-04-14 11:36:03,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:03,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:03,165 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-14 11:36:03,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-14 11:36:03,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:03,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:03,573 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 11:36:03,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:03,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159716278] [2025-04-14 11:36:03,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159716278] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:36:03,573 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965851807] [2025-04-14 11:36:03,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:36:03,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:36:03,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:36:03,577 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:36:03,578 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 11:36:03,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-04-14 11:36:03,962 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-04-14 11:36:03,962 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:36:03,962 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:03,967 INFO L256 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 11:36:03,972 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:36:03,992 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 11:36:03,992 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:36:04,035 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 11:36:04,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965851807] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:36:04,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:36:04,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-14 11:36:04,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855630638] [2025-04-14 11:36:04,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:36:04,036 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 11:36:04,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:04,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 11:36:04,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-04-14 11:36:04,036 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:04,036 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:04,037 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 6 states have internal predecessors, (42), 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 11:36:04,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:04,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:04,037 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:04,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:04,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:04,358 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:04,367 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 11:36:04,559 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2025-04-14 11:36:04,559 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:36:04,559 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:36:04,559 INFO L139 ounterexampleChecker]: Examining path program with hash -1785982800, occurence #3 [2025-04-14 11:36:04,559 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 11:36:04,560 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:36:04,560 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:36:04,560 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:36:04,560 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:36:04,560 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:36:04,561 INFO L85 PathProgramCache]: Analyzing trace with hash 41826154, now seen corresponding path program 2 times [2025-04-14 11:36:04,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:36:04,561 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433039917] [2025-04-14 11:36:04,561 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:36:04,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:36:04,612 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 40 statements into 2 equivalence classes. [2025-04-14 11:36:04,701 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 36 of 40 statements. [2025-04-14 11:36:04,701 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 11:36:04,701 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:36:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 11:36:05,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:36:05,020 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433039917] [2025-04-14 11:36:05,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433039917] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:36:05,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:36:05,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 11:36:05,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149017666] [2025-04-14 11:36:05,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:36:05,020 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 11:36:05,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:36:05,020 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 11:36:05,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 11:36:05,021 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:05,021 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:36:05,021 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 11:36:05,021 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:05,021 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:05,021 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:05,021 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:36:05,457 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 11:36:05,457 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:36:05,457 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:36:05,458 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:36:05,458 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 11:36:05,458 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 11:36:05,459 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1] [2025-04-14 11:36:05,459 INFO L320 ceAbstractionStarter]: Result for error location whoop_wrapper_pc8736x_gpio_setThread1of1ForFork1 was SAFE (2/2) [2025-04-14 11:36:05,459 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 11:36:05,459 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:36:05,471 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 11:36:05,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:36:05 BasicIcfg [2025-04-14 11:36:05,471 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:36:05,472 INFO L158 Benchmark]: Toolchain (without parser) took 11407.68ms. Allocated memory was 142.6MB in the beginning and 474.0MB in the end (delta: 331.4MB). Free memory was 87.5MB in the beginning and 291.3MB in the end (delta: -203.8MB). Peak memory consumption was 132.3MB. Max. memory is 8.0GB. [2025-04-14 11:36:05,472 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:36:05,473 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4723.11ms. Allocated memory was 142.6MB in the beginning and 306.2MB in the end (delta: 163.6MB). Free memory was 86.9MB in the beginning and 194.6MB in the end (delta: -107.7MB). Peak memory consumption was 100.0MB. Max. memory is 8.0GB. [2025-04-14 11:36:05,473 INFO L158 Benchmark]: Boogie Procedure Inliner took 142.25ms. Allocated memory is still 306.2MB. Free memory was 194.6MB in the beginning and 183.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 11:36:05,473 INFO L158 Benchmark]: Boogie Preprocessor took 77.54ms. Allocated memory is still 306.2MB. Free memory was 183.0MB in the beginning and 177.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:36:05,473 INFO L158 Benchmark]: RCFGBuilder took 1678.61ms. Allocated memory is still 306.2MB. Free memory was 177.8MB in the beginning and 197.5MB in the end (delta: -19.7MB). Peak memory consumption was 138.5MB. Max. memory is 8.0GB. [2025-04-14 11:36:05,473 INFO L158 Benchmark]: TraceAbstraction took 4782.24ms. Allocated memory was 306.2MB in the beginning and 474.0MB in the end (delta: 167.8MB). Free memory was 195.4MB in the beginning and 291.3MB in the end (delta: -95.9MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. [2025-04-14 11:36:05,474 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 167.8MB. Free memory is still 94.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4723.11ms. Allocated memory was 142.6MB in the beginning and 306.2MB in the end (delta: 163.6MB). Free memory was 86.9MB in the beginning and 194.6MB in the end (delta: -107.7MB). Peak memory consumption was 100.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 142.25ms. Allocated memory is still 306.2MB. Free memory was 194.6MB in the beginning and 183.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.54ms. Allocated memory is still 306.2MB. Free memory was 183.0MB in the beginning and 177.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 1678.61ms. Allocated memory is still 306.2MB. Free memory was 177.8MB in the beginning and 197.5MB in the end (delta: -19.7MB). Peak memory consumption was 138.5MB. Max. memory is 8.0GB. * TraceAbstraction took 4782.24ms. Allocated memory was 306.2MB in the beginning and 474.0MB in the end (delta: 167.8MB). Free memory was 195.4MB in the beginning and 291.3MB in the end (delta: -95.9MB). Peak memory consumption was 70.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 36, dependent conditional: 34, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 209, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 209, independent: 206, independent conditional: 0, independent unconditional: 206, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 216, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 209, unknown conditional: 0, unknown unconditional: 209] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 207, Positive conditional cache size: 0, Positive unconditional cache size: 207, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0, Independence queries for same thread: 34, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 36, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 209, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 250, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 36, dependent conditional: 34, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 7, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 216, independent: 214, independent conditional: 0, independent unconditional: 214, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 209, independent: 207, independent conditional: 0, independent unconditional: 207, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 209, independent: 206, independent conditional: 0, independent unconditional: 206, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 119, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 86, dependent conditional: 0, dependent unconditional: 86, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 216, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 209, unknown conditional: 0, unknown unconditional: 209] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 207, Positive conditional cache size: 0, Positive unconditional cache size: 207, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 0, Independence queries for same thread: 34 - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1650, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 312, dependent conditional: 310, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 0, independent unconditional: 1338, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 0, independent unconditional: 1338, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 602, independent: 602, independent conditional: 0, independent unconditional: 602, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 602, independent: 601, independent conditional: 0, independent unconditional: 601, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1340, independent: 736, independent conditional: 0, independent unconditional: 736, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 602, unknown conditional: 0, unknown unconditional: 602] , Statistics on independence cache: Total cache size (in pairs): 811, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 533, Maximal queried relation: 0, Independence queries for same thread: 310, Persistent sets #1 benchmarks: Persistent set computation time: 0.0s, Number of persistent set computation: 233, Number of trivial persistent sets: 208, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 807, independent: 805, independent conditional: 0, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1650, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 312, dependent conditional: 310, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 533, independent unconditional: 805, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 0, independent unconditional: 1338, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1340, independent: 1338, independent conditional: 0, independent unconditional: 1338, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 602, independent: 602, independent conditional: 0, independent unconditional: 602, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 602, independent: 601, independent conditional: 0, independent unconditional: 601, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, independent: 23, independent conditional: 0, independent unconditional: 23, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1340, independent: 736, independent conditional: 0, independent unconditional: 736, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 602, unknown conditional: 0, unknown unconditional: 602] , Statistics on independence cache: Total cache size (in pairs): 811, Positive cache size: 809, Positive conditional cache size: 0, Positive unconditional cache size: 809, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 533, Maximal queried relation: 0, Independence queries for same thread: 310 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 94 locations, 139 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 8 NumberOfCodeBlocks, 8 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_pc8736x_gpio_setThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 94 locations, 139 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 181 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 212 ConstructedInterpolants, 0 QuantifiedInterpolants, 286 SizeOfPredicates, 1 NumberOfNonLiveVariables, 720 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 10/13 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 24, ConditionCalculationTime [ms]: 0, ConditionCalculations: 14, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 11:36:05,489 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...