/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 FINITE_AUTOMATA --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 21:51:27,836 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 21:51:27,891 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-13 21:51:27,894 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 21:51:27,894 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 21:51:27,911 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 21:51:27,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 21:51:27,912 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 21:51:27,912 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 21:51:27,912 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 21:51:27,912 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 21:51:27,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 21:51:27,912 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 21:51:27,912 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 21:51:27,912 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 21:51:27,913 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 21:51:27,913 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 21:51:27,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 21:51:27,913 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 21:51:27,914 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 21:51:27,914 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> FINITE_AUTOMATA Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-13 21:51:28,151 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 21:51:28,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 21:51:28,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 21:51:28,162 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 21:51:28,164 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 21:51:28,165 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2025-04-13 21:51:29,473 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aec8e3cd/452d79e9bcb44077a5170df172706577/FLAGb3cc77129 [2025-04-13 21:51:29,961 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 21:51:29,961 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2025-04-13 21:51:30,009 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aec8e3cd/452d79e9bcb44077a5170df172706577/FLAGb3cc77129 [2025-04-13 21:51:30,474 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4aec8e3cd/452d79e9bcb44077a5170df172706577 [2025-04-13 21:51:30,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 21:51:30,478 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 21:51:30,480 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 21:51:30,480 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 21:51:30,484 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 21:51:30,485 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 09:51:30" (1/1) ... [2025-04-13 21:51:30,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dd57b3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:30, skipping insertion in model container [2025-04-13 21:51:30,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 09:51:30" (1/1) ... [2025-04-13 21:51:30,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 21:51:30,884 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5520,5533] [2025-04-13 21:51:34,284 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 21:51:34,285 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 21:51:34,344 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 21:51:34,359 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 21:51:34,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i[5520,5533] [2025-04-13 21:51:34,458 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 21:51:34,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 21:51:34,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 21:51:34,459 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-13 21:51:34,526 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-13 21:51:34,562 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 21:51:34,562 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 21:51:34,582 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 21:51:34,864 INFO L204 MainTranslator]: Completed translation [2025-04-13 21:51:34,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34 WrapperNode [2025-04-13 21:51:34,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 21:51:34,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 21:51:34,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 21:51:34,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 21:51:34,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:34,940 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:34,994 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 75, statements flattened = 845 [2025-04-13 21:51:34,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 21:51:34,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 21:51:34,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 21:51:34,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 21:51:35,001 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,001 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,007 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,042 INFO L175 MemorySlicer]: Split 71 memory accesses to 10 slices as follows [2, 4, 1, 5, 9, 9, 10, 25, 4, 2]. 35 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 0, 1, 2, 4, 4, 8, 25, 4, 0]. The 8 writes are split as follows [0, 1, 0, 2, 2, 0, 1, 0, 0, 2]. [2025-04-13 21:51:35,043 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,043 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,072 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,078 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,092 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,095 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 21:51:35,118 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-13 21:51:35,118 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-13 21:51:35,118 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-13 21:51:35,121 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (1/1) ... [2025-04-13 21:51:35,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 21:51:35,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 21:51:35,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-13 21:51:35,152 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 21:51:35,167 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-13 21:51:35,168 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 21:51:35,168 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 21:51:35,169 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 21:51:35,169 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-13 21:51:35,170 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 21:51:35,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 21:51:35,171 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-13 21:51:35,173 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 21:51:35,479 INFO L256 CfgBuilder]: Building ICFG [2025-04-13 21:51:35,480 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 21:51:35,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:35,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:35,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:35,652 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6871: havoc pc8736x_gpio_current_#t~bitwise1138#1; [2025-04-13 21:51:35,809 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:35,809 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:35,809 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6832: havoc pc8736x_gpio_configure_#t~ret1120#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6713: havoc platform_device_add_#t~nondet1102#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-15: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-20: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-25: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-30: havoc inb_p_#t~nondet1096#1; [2025-04-13 21:51:36,267 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc alloc_chrdev_region_#t~nondet1085#1; [2025-04-13 21:51:36,268 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 [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6915: havoc pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6717: havoc platform_device_alloc_#t~ret1103#1.base, platform_device_alloc_#t~ret1103#1.offset; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-8: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-16: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-24: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-32: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-40: havoc superio_inb_#t~ret1112#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc cdev_add_#t~nondet1088#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6738: havoc register_chrdev_region_#t~nondet1106#1; [2025-04-13 21:51:36,268 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6607: havoc __request_region_#t~ret1083#1.base, __request_region_#t~ret1083#1.offset; [2025-04-13 21:51:36,269 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 21:51:36,270 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 21:51:36,270 INFO L318 CfgBuilder]: Performing block encoding [2025-04-13 21:51:37,840 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-13 21:51:37,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 09:51:37 BoogieIcfgContainer [2025-04-13 21:51:37,841 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-13 21:51:37,842 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 21:51:37,842 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 21:51:37,845 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 21:51:37,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 09:51:30" (1/3) ... [2025-04-13 21:51:37,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373fb935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 09:51:37, skipping insertion in model container [2025-04-13 21:51:37,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 09:51:34" (2/3) ... [2025-04-13 21:51:37,846 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@373fb935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 09:51:37, skipping insertion in model container [2025-04-13 21:51:37,846 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 13.04 09:51:37" (3/3) ... [2025-04-13 21:51:37,847 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2025-04-13 21:51:37,858 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 21:51:37,861 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i that has 3 procedures, 54 locations, 89 edges, 1 initial locations, 14 loop locations, and 3 error locations. [2025-04-13 21:51:37,862 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 21:51:37,967 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 21:51:37,985 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 91 transitions, 196 flow [2025-04-13 21:51:38,038 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 508 states, 505 states have (on average 3.4514851485148514) internal successors, (1743), 507 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:38,061 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 21:51:38,070 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@78b25021, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 21:51:38,071 INFO L341 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-04-13 21:51:38,075 INFO L278 IsEmpty]: Start isEmpty. Operand has 508 states, 505 states have (on average 3.4514851485148514) internal successors, (1743), 507 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:38,080 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-04-13 21:51:38,080 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 21:51:38,080 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-04-13 21:51:38,081 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 4 more)] === [2025-04-13 21:51:38,084 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 21:51:38,084 INFO L85 PathProgramCache]: Analyzing trace with hash 2229556, now seen corresponding path program 1 times [2025-04-13 21:51:38,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 21:51:38,091 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408879723] [2025-04-13 21:51:38,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 21:51:38,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 21:51:38,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-13 21:51:38,356 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-13 21:51:38,360 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:51:38,360 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 21:51:38,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 21:51:38,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 21:51:38,890 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408879723] [2025-04-13 21:51:38,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408879723] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 21:51:38,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 21:51:38,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-13 21:51:38,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297244963] [2025-04-13 21:51:38,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 21:51:38,896 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 21:51:38,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 21:51:38,909 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 21:51:38,909 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 21:51:38,912 INFO L87 Difference]: Start difference. First operand has 508 states, 505 states have (on average 3.4514851485148514) internal successors, (1743), 507 states have internal predecessors, (1743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:39,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 21:51:39,091 INFO L93 Difference]: Finished difference Result 984 states and 3425 transitions. [2025-04-13 21:51:39,093 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 21:51:39,094 INFO L79 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2025-04-13 21:51:39,094 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 21:51:39,110 INFO L225 Difference]: With dead ends: 984 [2025-04-13 21:51:39,110 INFO L226 Difference]: Without dead ends: 478 [2025-04-13 21:51:39,114 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 21:51:39,116 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 21:51:39,116 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 21:51:39,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2025-04-13 21:51:39,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2025-04-13 21:51:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 477 states have (on average 3.2725366876310273) internal successors, (1561), 477 states have internal predecessors, (1561), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:39,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 1561 transitions. [2025-04-13 21:51:39,195 INFO L79 Accepts]: Start accepts. Automaton has 478 states and 1561 transitions. Word has length 3 [2025-04-13 21:51:39,195 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 21:51:39,196 INFO L485 AbstractCegarLoop]: Abstraction has 478 states and 1561 transitions. [2025-04-13 21:51:39,196 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 3.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:39,196 INFO L278 IsEmpty]: Start isEmpty. Operand 478 states and 1561 transitions. [2025-04-13 21:51:39,198 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-04-13 21:51:39,198 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 21:51:39,198 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 21:51:39,198 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 21:51:39,198 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 21:51:39,199 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 21:51:39,199 INFO L85 PathProgramCache]: Analyzing trace with hash 1735094067, now seen corresponding path program 1 times [2025-04-13 21:51:39,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 21:51:39,199 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373822654] [2025-04-13 21:51:39,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 21:51:39,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 21:51:39,265 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-13 21:51:39,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-13 21:51:39,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:51:39,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 21:51:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 21:51:39,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 21:51:39,621 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373822654] [2025-04-13 21:51:39,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373822654] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 21:51:39,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 21:51:39,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 21:51:39,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865252929] [2025-04-13 21:51:39,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 21:51:39,622 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 21:51:39,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 21:51:39,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 21:51:39,623 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 21:51:39,623 INFO L87 Difference]: Start difference. First operand 478 states and 1561 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:39,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 21:51:39,812 INFO L93 Difference]: Finished difference Result 955 states and 3121 transitions. [2025-04-13 21:51:39,816 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 21:51:39,817 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2025-04-13 21:51:39,817 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 21:51:39,823 INFO L225 Difference]: With dead ends: 955 [2025-04-13 21:51:39,824 INFO L226 Difference]: Without dead ends: 479 [2025-04-13 21:51:39,825 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 21:51:39,825 INFO L437 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 21:51:39,826 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 21:51:39,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2025-04-13 21:51:39,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 479. [2025-04-13 21:51:39,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 479 states, 478 states have (on average 3.2677824267782425) internal successors, (1562), 478 states have internal predecessors, (1562), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:39,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 479 states to 479 states and 1562 transitions. [2025-04-13 21:51:39,865 INFO L79 Accepts]: Start accepts. Automaton has 479 states and 1562 transitions. Word has length 14 [2025-04-13 21:51:39,865 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 21:51:39,865 INFO L485 AbstractCegarLoop]: Abstraction has 479 states and 1562 transitions. [2025-04-13 21:51:39,865 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:39,865 INFO L278 IsEmpty]: Start isEmpty. Operand 479 states and 1562 transitions. [2025-04-13 21:51:39,867 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2025-04-13 21:51:39,867 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 21:51:39,867 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 21:51:39,867 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 21:51:39,867 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-04-13 21:51:39,867 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 21:51:39,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2005174320, now seen corresponding path program 1 times [2025-04-13 21:51:39,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 21:51:39,868 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994894888] [2025-04-13 21:51:39,868 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 21:51:39,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 21:51:39,926 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 21:51:39,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 21:51:39,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:51:39,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 21:51:40,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 21:51:40,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 21:51:40,249 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994894888] [2025-04-13 21:51:40,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994894888] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 21:51:40,249 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143536622] [2025-04-13 21:51:40,249 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 21:51:40,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 21:51:40,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 21:51:40,252 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 21:51:40,253 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-04-13 21:51:40,538 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-13 21:51:40,657 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-13 21:51:40,657 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 21:51:40,657 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 21:51:40,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 669 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-04-13 21:51:40,666 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 21:51:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-13 21:51:40,691 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-13 21:51:40,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143536622] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 21:51:40,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-13 21:51:40,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-13 21:51:40,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373976825] [2025-04-13 21:51:40,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 21:51:40,691 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 21:51:40,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 21:51:40,691 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 21:51:40,692 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-13 21:51:40,692 INFO L87 Difference]: Start difference. First operand 479 states and 1562 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:40,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 21:51:40,918 INFO L93 Difference]: Finished difference Result 479 states and 1562 transitions. [2025-04-13 21:51:40,918 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 21:51:40,918 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2025-04-13 21:51:40,918 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 21:51:40,919 INFO L225 Difference]: With dead ends: 479 [2025-04-13 21:51:40,919 INFO L226 Difference]: Without dead ends: 0 [2025-04-13 21:51:40,920 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-13 21:51:40,921 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 37 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 152 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 21:51:40,921 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 0 Invalid, 152 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 21:51:40,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-04-13 21:51:40,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-04-13 21:51:40,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:40,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-04-13 21:51:40,922 INFO L79 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2025-04-13 21:51:40,922 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 21:51:40,922 INFO L485 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-04-13 21:51:40,922 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 21:51:40,922 INFO L278 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-04-13 21:51:40,922 INFO L284 IsEmpty]: Finished isEmpty. No accepting run. [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 7 remaining) [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2025-04-13 21:51:40,924 INFO L790 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2025-04-13 21:51:40,932 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-04-13 21:51:41,125 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 21:51:41,127 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2025-04-13 21:51:41,129 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 21:51:41,129 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 21:51:41,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 09:51:41 BasicIcfg [2025-04-13 21:51:41,131 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 21:51:41,132 INFO L158 Benchmark]: Toolchain (without parser) took 10654.27ms. Allocated memory was 155.2MB in the beginning and 729.8MB in the end (delta: 574.6MB). Free memory was 98.3MB in the beginning and 442.4MB in the end (delta: -344.1MB). Peak memory consumption was 232.6MB. Max. memory is 8.0GB. [2025-04-13 21:51:41,133 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 21:51:41,133 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4385.60ms. Allocated memory was 155.2MB in the beginning and 398.5MB in the end (delta: 243.3MB). Free memory was 98.3MB in the beginning and 314.7MB in the end (delta: -216.5MB). Peak memory consumption was 116.7MB. Max. memory is 8.0GB. [2025-04-13 21:51:41,133 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.30ms. Allocated memory is still 398.5MB. Free memory was 314.7MB in the beginning and 302.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 21:51:41,133 INFO L158 Benchmark]: Boogie Preprocessor took 122.85ms. Allocated memory is still 398.5MB. Free memory was 301.1MB in the beginning and 290.7MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 21:51:41,133 INFO L158 Benchmark]: IcfgBuilder took 2722.62ms. Allocated memory was 398.5MB in the beginning and 729.8MB in the end (delta: 331.4MB). Free memory was 290.7MB in the beginning and 581.0MB in the end (delta: -290.4MB). Peak memory consumption was 247.8MB. Max. memory is 8.0GB. [2025-04-13 21:51:41,133 INFO L158 Benchmark]: TraceAbstraction took 3289.11ms. Allocated memory is still 729.8MB. Free memory was 578.9MB in the beginning and 442.4MB in the end (delta: 136.5MB). Peak memory consumption was 136.5MB. Max. memory is 8.0GB. [2025-04-13 21:51:41,134 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 159.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4385.60ms. Allocated memory was 155.2MB in the beginning and 398.5MB in the end (delta: 243.3MB). Free memory was 98.3MB in the beginning and 314.7MB in the end (delta: -216.5MB). Peak memory consumption was 116.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 128.30ms. Allocated memory is still 398.5MB. Free memory was 314.7MB in the beginning and 302.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 122.85ms. Allocated memory is still 398.5MB. Free memory was 301.1MB in the beginning and 290.7MB in the end (delta: 10.4MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgBuilder took 2722.62ms. Allocated memory was 398.5MB in the beginning and 729.8MB in the end (delta: 331.4MB). Free memory was 290.7MB in the beginning and 581.0MB in the end (delta: -290.4MB). Peak memory consumption was 247.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3289.11ms. Allocated memory is still 729.8MB. Free memory was 578.9MB in the beginning and 442.4MB in the end (delta: 136.5MB). Peak memory consumption was 136.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 87 locations, 142 edges, 7 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 37 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 366 IncrementalHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 2 mSDtfsCounter, 366 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=508occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 43 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 1 NumberOfNonLiveVariables, 669 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 1/2 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-13 21:51:41,154 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...