/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis PETRI_NET --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-14 00:12:11,151 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 00:12:11,194 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2025-04-14 00:12:11,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 00:12:11,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 00:12:11,222 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 00:12:11,224 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 00:12:11,224 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 00:12:11,225 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-14 00:12:11,225 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-14 00:12:11,225 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 00:12:11,226 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 00:12:11,226 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 00:12:11,226 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 00:12:11,226 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 00:12:11,227 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 00:12:11,227 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 00:12:11,228 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:11,228 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 00:12:11,228 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:11,229 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 00:12:11,229 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Automaton type used in concurrency analysis -> PETRI_NET Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 00:12:11,442 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 00:12:11,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 00:12:11,451 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 00:12:11,452 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 00:12:11,452 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 00:12:11,454 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2025-04-14 00:12:12,816 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5eb7a337/9a37ba58c0b447aea09ad0b30f1f1460/FLAG779092ac0 [2025-04-14 00:12:13,303 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 00:12:13,304 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2025-04-14 00:12:13,347 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5eb7a337/9a37ba58c0b447aea09ad0b30f1f1460/FLAG779092ac0 [2025-04-14 00:12:14,017 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f5eb7a337/9a37ba58c0b447aea09ad0b30f1f1460 [2025-04-14 00:12:14,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 00:12:14,021 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 00:12:14,022 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 00:12:14,022 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 00:12:14,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 00:12:14,029 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:12:14" (1/1) ... [2025-04-14 00:12:14,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a86868 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:14, skipping insertion in model container [2025-04-14 00:12:14,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:12:14" (1/1) ... [2025-04-14 00:12:14,095 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 00:12:14,400 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5520,5533] [2025-04-14 00:12:17,329 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:17,330 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:17,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:12:17,405 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 00:12:17,426 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i[5520,5533] [2025-04-14 00:12:17,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 00:12:17,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 00:12:17,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 00:12:17,495 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 00:12:17,592 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-14 00:12:17,618 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:17,619 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 00:12:17,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 00:12:17,967 INFO L204 MainTranslator]: Completed translation [2025-04-14 00:12:17,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17 WrapperNode [2025-04-14 00:12:17,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 00:12:17,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 00:12:17,970 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 00:12:17,970 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 00:12:17,974 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,040 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,097 INFO L138 Inliner]: procedures = 1392, calls = 1531, calls flagged for inlining = 397, calls inlined = 68, statements flattened = 751 [2025-04-14 00:12:18,097 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 00:12:18,100 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 00:12:18,100 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 00:12:18,100 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 00:12:18,108 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,108 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,120 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,158 INFO L175 MemorySlicer]: Split 64 memory accesses to 10 slices as follows [2, 4, 1, 5, 5, 6, 10, 25, 4, 2]. 39 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 7 writes are split as follows [0, 1, 0, 2, 1, 0, 1, 0, 0, 2]. [2025-04-14 00:12:18,158 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,158 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,180 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,182 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,187 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,190 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 00:12:18,199 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 00:12:18,199 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 00:12:18,200 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 00:12:18,200 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (1/1) ... [2025-04-14 00:12:18,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 00:12:18,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 00:12:18,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 00:12:18,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 00:12:18,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-14 00:12:18,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 00:12:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2025-04-14 00:12:18,251 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-14 00:12:18,251 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-14 00:12:18,252 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-14 00:12:18,253 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-14 00:12:18,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-14 00:12:18,254 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-14 00:12:18,255 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 00:12:18,614 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 00:12:18,615 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 00:12:18,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:18,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:18,825 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6832: havoc pc8736x_gpio_configure_#t~ret1120#1; [2025-04-14 00:12:18,855 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6713: havoc platform_device_add_#t~nondet1102#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-15: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-20: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-25: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-30: havoc inb_p_#t~nondet1096#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc alloc_chrdev_region_#t~nondet1085#1; [2025-04-14 00:12:19,273 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6717: havoc platform_device_alloc_#t~ret1103#1.base, platform_device_alloc_#t~ret1103#1.offset; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916-1: SUMMARY for call ULTIMATE.dealloc(pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset); srcloc: null [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6916: havoc pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-8: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-16: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-24: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-32: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-40: havoc superio_inb_#t~ret1112#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc cdev_add_#t~nondet1088#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6738: havoc register_chrdev_region_#t~nondet1106#1; [2025-04-14 00:12:19,274 INFO L1324 $ProcedureCfgBuilder]: dead code at ProgramPoint L6607: havoc __request_region_#t~ret1083#1.base, __request_region_#t~ret1083#1.offset; [2025-04-14 00:12:19,275 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 00:12:19,277 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 00:12:19,277 INFO L318 CfgBuilder]: Performing block encoding [2025-04-14 00:12:20,921 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 00:12:20,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:12:20 BoogieIcfgContainer [2025-04-14 00:12:20,922 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 00:12:20,924 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 00:12:20,924 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 00:12:20,928 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 00:12:20,928 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:12:14" (1/3) ... [2025-04-14 00:12:20,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7480c829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:12:20, skipping insertion in model container [2025-04-14 00:12:20,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:12:17" (2/3) ... [2025-04-14 00:12:20,929 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7480c829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:12:20, skipping insertion in model container [2025-04-14 00:12:20,929 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 12:12:20" (3/3) ... [2025-04-14 00:12:20,930 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i [2025-04-14 00:12:20,942 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 00:12:20,946 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_get.i that has 3 procedures, 42 locations, 69 edges, 1 initial locations, 12 loop locations, and 1 error locations. [2025-04-14 00:12:20,946 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 00:12:21,040 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 00:12:21,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 48 places, 71 transitions, 156 flow [2025-04-14 00:12:21,163 INFO L116 PetriNetUnfolderBase]: 30/69 cut-off events. [2025-04-14 00:12:21,167 INFO L117 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2025-04-14 00:12:21,169 INFO L83 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 69 events. 30/69 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 123 event pairs, 0 based on Foata normal form. 0/38 useless extension candidates. Maximal degree in co-relation 45. Up to 7 conditions per place. [2025-04-14 00:12:21,169 INFO L82 GeneralOperation]: Start removeDead. Operand has 48 places, 71 transitions, 156 flow [2025-04-14 00:12:21,171 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 4 places, 5 transitions, 10 flow [2025-04-14 00:12:21,178 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-14 00:12:21,187 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ddd9613, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 00:12:21,188 INFO L341 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2025-04-14 00:12:21,204 INFO L177 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-04-14 00:12:21,204 INFO L116 PetriNetUnfolderBase]: 2/4 cut-off events. [2025-04-14 00:12:21,204 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:21,204 INFO L198 CegarLoopForPetriNet]: Found error trace [2025-04-14 00:12:21,205 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2025-04-14 00:12:21,206 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 00:12:21,210 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 00:12:21,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1974840, now seen corresponding path program 1 times [2025-04-14 00:12:21,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 00:12:21,216 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590999586] [2025-04-14 00:12:21,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 00:12:21,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 00:12:21,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-14 00:12:21,455 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-14 00:12:21,455 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 00:12:21,456 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 00:12:21,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 00:12:21,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 00:12:21,970 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590999586] [2025-04-14 00:12:21,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590999586] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 00:12:21,971 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 00:12:21,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-14 00:12:21,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460646067] [2025-04-14 00:12:21,972 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 00:12:21,976 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 00:12:21,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 00:12:21,992 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 00:12:21,992 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 00:12:21,993 INFO L464 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 71 [2025-04-14 00:12:21,994 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 4 places, 5 transitions, 10 flow. Second operand has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 00:12:21,994 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-04-14 00:12:21,994 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 71 [2025-04-14 00:12:21,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-04-14 00:12:22,039 INFO L116 PetriNetUnfolderBase]: 1/3 cut-off events. [2025-04-14 00:12:22,040 INFO L117 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-04-14 00:12:22,040 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8 conditions, 3 events. 1/3 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1. Compared 1 event pairs, 0 based on Foata normal form. 1/3 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2025-04-14 00:12:22,040 INFO L140 encePairwiseOnDemand]: 69/71 looper letters, 0 selfloop transitions, 0 changer transitions 3/3 dead transitions. [2025-04-14 00:12:22,041 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 4 places, 3 transitions, 12 flow [2025-04-14 00:12:22,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 00:12:22,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2025-04-14 00:12:22,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 9 transitions. [2025-04-14 00:12:22,050 INFO L509 CegarLoopForPetriNet]: DFA transition density 0.06338028169014084 [2025-04-14 00:12:22,051 INFO L175 Difference]: Start difference. First operand has 4 places, 5 transitions, 10 flow. Second operand 2 states and 9 transitions. [2025-04-14 00:12:22,052 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 4 places, 3 transitions, 12 flow [2025-04-14 00:12:22,055 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 4 places, 3 transitions, 12 flow, removed 0 selfloop flow, removed 0 redundant places. [2025-04-14 00:12:22,056 INFO L231 Difference]: Finished difference. Result has 4 places, 0 transitions, 0 flow [2025-04-14 00:12:22,057 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=71, PETRI_DIFFERENCE_MINUEND_FLOW=6, PETRI_DIFFERENCE_MINUEND_PLACES=3, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=3, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=4, PETRI_TRANSITIONS=0} [2025-04-14 00:12:22,060 INFO L279 CegarLoopForPetriNet]: 4 programPoint places, 0 predicate places. [2025-04-14 00:12:22,060 INFO L485 AbstractCegarLoop]: Abstraction has has 4 places, 0 transitions, 0 flow [2025-04-14 00:12:22,060 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 00:12:22,061 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2025-04-14 00:12:22,062 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2025-04-14 00:12:22,062 INFO L790 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2025-04-14 00:12:22,062 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 00:12:22,062 INFO L422 BasicCegarLoop]: Path program histogram: [1] [2025-04-14 00:12:22,064 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 00:12:22,064 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 00:12:22,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:12:22 BasicIcfg [2025-04-14 00:12:22,068 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 00:12:22,069 INFO L158 Benchmark]: Toolchain (without parser) took 8048.28ms. Allocated memory was 125.8MB in the beginning and 453.0MB in the end (delta: 327.2MB). Free memory was 75.2MB in the beginning and 192.0MB in the end (delta: -116.9MB). Peak memory consumption was 210.3MB. Max. memory is 8.0GB. [2025-04-14 00:12:22,069 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:12:22,069 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3946.84ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 74.3MB in the beginning and 74.6MB in the end (delta: -259.8kB). Peak memory consumption was 125.3MB. Max. memory is 8.0GB. [2025-04-14 00:12:22,070 INFO L158 Benchmark]: Boogie Procedure Inliner took 127.86ms. Allocated memory is still 239.1MB. Free memory was 74.6MB in the beginning and 62.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 00:12:22,071 INFO L158 Benchmark]: Boogie Preprocessor took 98.56ms. Allocated memory is still 239.1MB. Free memory was 62.8MB in the beginning and 52.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 00:12:22,071 INFO L158 Benchmark]: IcfgBuilder took 2722.64ms. Allocated memory was 239.1MB in the beginning and 453.0MB in the end (delta: 213.9MB). Free memory was 52.2MB in the beginning and 146.9MB in the end (delta: -94.7MB). Peak memory consumption was 135.4MB. Max. memory is 8.0GB. [2025-04-14 00:12:22,071 INFO L158 Benchmark]: TraceAbstraction took 1144.74ms. Allocated memory is still 453.0MB. Free memory was 144.9MB in the beginning and 192.0MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 00:12:22,072 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 159.4MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 3946.84ms. Allocated memory was 125.8MB in the beginning and 239.1MB in the end (delta: 113.2MB). Free memory was 74.3MB in the beginning and 74.6MB in the end (delta: -259.8kB). Peak memory consumption was 125.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 127.86ms. Allocated memory is still 239.1MB. Free memory was 74.6MB in the beginning and 62.8MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 98.56ms. Allocated memory is still 239.1MB. Free memory was 62.8MB in the beginning and 52.2MB in the end (delta: 10.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * IcfgBuilder took 2722.64ms. Allocated memory was 239.1MB in the beginning and 453.0MB in the end (delta: 213.9MB). Free memory was 52.2MB in the beginning and 146.9MB in the end (delta: -94.7MB). Peak memory consumption was 135.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1144.74ms. Allocated memory is still 453.0MB. Free memory was 144.9MB in the beginning and 192.0MB in the end (delta: -47.2MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 63 locations, 102 edges, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.0s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.5s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 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: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-04-14 00:12:22,091 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...