/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.automaton.type.used.in.concurrency.analysis FINITE_AUTOMATA -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.cfg-lbe-improvements-94356ea-m [2025-04-13 17:25:22,736 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-13 17:25:22,787 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 17:25:22,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-13 17:25:22,791 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-13 17:25:22,814 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-13 17:25:22,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-13 17:25:22,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-13 17:25:22,814 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-04-13 17:25:22,814 INFO L153 SettingsManager]: * Use memory slicer=true [2025-04-13 17:25:22,814 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-13 17:25:22,815 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Use SBE=true [2025-04-13 17:25:22,815 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-13 17:25:22,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-13 17:25:22,817 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:22,817 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-13 17:25:22,817 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:22,818 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-04-13 17:25:22,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-13 17:25:22,818 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 [2025-04-13 17:25:23,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-13 17:25:23,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-13 17:25:23,037 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-13 17:25:23,038 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-13 17:25:23,038 INFO L274 PluginConnector]: CDTParser initialized [2025-04-13 17:25:23,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2025-04-13 17:25:24,283 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db103b30b/24512903bd8a49f2b170c1178fc222e7/FLAGdefce63d4 [2025-04-13 17:25:24,757 INFO L389 CDTParser]: Found 1 translation units. [2025-04-13 17:25:24,758 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2025-04-13 17:25:24,798 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db103b30b/24512903bd8a49f2b170c1178fc222e7/FLAGdefce63d4 [2025-04-13 17:25:25,483 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/db103b30b/24512903bd8a49f2b170c1178fc222e7 [2025-04-13 17:25:25,485 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-13 17:25:25,486 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-13 17:25:25,487 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:25,487 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-13 17:25:25,492 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-13 17:25:25,492 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:25" (1/1) ... [2025-04-13 17:25:25,493 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43593df0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:25, skipping insertion in model container [2025-04-13 17:25:25,493 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.04 05:25:25" (1/1) ... [2025-04-13 17:25:25,553 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-13 17:25:25,878 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_set.i[5520,5533] [2025-04-13 17:25:28,963 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:28,964 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:29,003 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:29,018 INFO L200 MainTranslator]: Completed pre-run [2025-04-13 17:25:29,037 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_set.i[5520,5533] [2025-04-13 17:25:29,105 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 17:25:29,106 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 17:25:29,106 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 17:25:29,106 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 17:25:29,180 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-13 17:25:29,245 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:29,246 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-13 17:25:29,254 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-13 17:25:29,520 INFO L204 MainTranslator]: Completed translation [2025-04-13 17:25:29,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29 WrapperNode [2025-04-13 17:25:29,522 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-13 17:25:29,523 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:29,523 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-13 17:25:29,523 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-13 17:25:29,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,592 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,643 INFO L138 Inliner]: procedures = 1392, calls = 1539, calls flagged for inlining = 397, calls inlined = 58, statements flattened = 814 [2025-04-13 17:25:29,644 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-13 17:25:29,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-13 17:25:29,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-13 17:25:29,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-13 17:25:29,657 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,657 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,664 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,691 INFO L175 MemorySlicer]: Split 74 memory accesses to 10 slices as follows [2, 1, 2, 11, 13, 10, 25, 4, 2, 4]. 34 percent of accesses are in the largest equivalence class. The 50 initializations are split as follows [2, 1, 2, 4, 4, 8, 25, 4, 0, 0]. The 7 writes are split as follows [0, 0, 0, 3, 0, 1, 0, 0, 2, 1]. [2025-04-13 17:25:29,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,706 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,711 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,718 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,753 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-13 17:25:29,755 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-13 17:25:29,755 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-13 17:25:29,755 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-13 17:25:29,756 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (1/1) ... [2025-04-13 17:25:29,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-13 17:25:29,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:29,783 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 17:25:29,788 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 17:25:29,801 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-13 17:25:29,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#2 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#3 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#4 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#5 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#6 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#7 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#8 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#9 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 17:25:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-13 17:25:29,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#2 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#3 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#4 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#5 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#6 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#7 [2025-04-13 17:25:29,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#8 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#9 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5 [2025-04-13 17:25:29,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6 [2025-04-13 17:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7 [2025-04-13 17:25:29,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#8 [2025-04-13 17:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#9 [2025-04-13 17:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-13 17:25:29,806 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2025-04-13 17:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-04-13 17:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-04-13 17:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2025-04-13 17:25:29,806 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2025-04-13 17:25:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2025-04-13 17:25:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2025-04-13 17:25:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2025-04-13 17:25:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2025-04-13 17:25:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2025-04-13 17:25:29,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2025-04-13 17:25:29,809 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-13 17:25:30,145 INFO L234 CfgBuilder]: Building ICFG [2025-04-13 17:25:30,147 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-13 17:25:30,832 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-13 17:25:30,833 INFO L289 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-13 17:25:30,833 INFO L294 CfgBuilder]: Performing block encoding [2025-04-13 17:25:32,338 INFO L313 CfgBuilder]: Removed 14 assume(true) statements. [2025-04-13 17:25:32,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:32 BoogieIcfgContainer [2025-04-13 17:25:32,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-13 17:25:32,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-13 17:25:32,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-13 17:25:32,345 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-13 17:25:32,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.04 05:25:25" (1/3) ... [2025-04-13 17:25:32,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5262a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:32, skipping insertion in model container [2025-04-13 17:25:32,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.04 05:25:29" (2/3) ... [2025-04-13 17:25:32,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f5262a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.04 05:25:32, skipping insertion in model container [2025-04-13 17:25:32,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.04 05:25:32" (3/3) ... [2025-04-13 17:25:32,347 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2025-04-13 17:25:32,361 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-13 17:25:32,364 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i that has 3 procedures, 63 locations, 99 edges, 1 initial locations, 17 loop locations, and 4 error locations. [2025-04-13 17:25:32,364 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-13 17:25:32,458 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-13 17:25:32,483 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 69 places, 101 transitions, 216 flow [2025-04-13 17:25:32,554 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 845 states, 839 states have (on average 3.3134684147794995) internal successors, (2780), 844 states have internal predecessors, (2780), 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 17:25:32,575 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-04-13 17:25:32,584 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;@10be861, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-13 17:25:32,584 INFO L341 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2025-04-13 17:25:32,587 INFO L278 IsEmpty]: Start isEmpty. Operand has 845 states, 839 states have (on average 3.3134684147794995) internal successors, (2780), 844 states have internal predecessors, (2780), 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 17:25:32,590 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2025-04-13 17:25:32,590 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:32,591 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2025-04-13 17:25:32,591 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 6 more)] === [2025-04-13 17:25:32,595 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:32,596 INFO L85 PathProgramCache]: Analyzing trace with hash 2249054, now seen corresponding path program 1 times [2025-04-13 17:25:32,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:32,601 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603672000] [2025-04-13 17:25:32,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:32,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:32,768 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 3 statements into 1 equivalence classes. [2025-04-13 17:25:32,862 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 3 of 3 statements. [2025-04-13 17:25:32,864 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:32,864 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:33,406 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 17:25:33,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:33,406 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [603672000] [2025-04-13 17:25:33,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [603672000] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:33,407 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:33,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2025-04-13 17:25:33,408 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326343568] [2025-04-13 17:25:33,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:33,411 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-13 17:25:33,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:33,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-13 17:25:33,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-13 17:25:33,429 INFO L87 Difference]: Start difference. First operand has 845 states, 839 states have (on average 3.3134684147794995) internal successors, (2780), 844 states have internal predecessors, (2780), 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 17:25:33,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:33,611 INFO L93 Difference]: Finished difference Result 1687 states and 5556 transitions. [2025-04-13 17:25:33,612 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:25:33,613 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 17:25:33,613 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:33,627 INFO L225 Difference]: With dead ends: 1687 [2025-04-13 17:25:33,629 INFO L226 Difference]: Without dead ends: 844 [2025-04-13 17:25:33,635 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 17:25:33,637 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:33,638 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 3 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-04-13 17:25:33,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 844 states. [2025-04-13 17:25:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 844 to 844. [2025-04-13 17:25:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 844 states, 839 states have (on average 3.0059594755661503) internal successors, (2522), 843 states have internal predecessors, (2522), 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 17:25:33,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 844 states to 844 states and 2522 transitions. [2025-04-13 17:25:33,721 INFO L79 Accepts]: Start accepts. Automaton has 844 states and 2522 transitions. Word has length 3 [2025-04-13 17:25:33,722 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:33,722 INFO L485 AbstractCegarLoop]: Abstraction has 844 states and 2522 transitions. [2025-04-13 17:25:33,723 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 17:25:33,723 INFO L278 IsEmpty]: Start isEmpty. Operand 844 states and 2522 transitions. [2025-04-13 17:25:33,723 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2025-04-13 17:25:33,723 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:33,723 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:33,723 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-13 17:25:33,723 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 6 more)] === [2025-04-13 17:25:33,724 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:33,724 INFO L85 PathProgramCache]: Analyzing trace with hash -517731608, now seen corresponding path program 1 times [2025-04-13 17:25:33,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:33,724 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113572272] [2025-04-13 17:25:33,724 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:33,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:33,777 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-13 17:25:33,822 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-13 17:25:33,822 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:33,822 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:34,003 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 17:25:34,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:34,003 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113572272] [2025-04-13 17:25:34,003 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113572272] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:34,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:34,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:34,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442659364] [2025-04-13 17:25:34,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:34,004 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:34,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:34,005 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:34,005 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:34,005 INFO L87 Difference]: Start difference. First operand 844 states and 2522 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:34,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:34,197 INFO L93 Difference]: Finished difference Result 1687 states and 5043 transitions. [2025-04-13 17:25:34,198 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:34,198 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2025-04-13 17:25:34,198 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:34,206 INFO L225 Difference]: With dead ends: 1687 [2025-04-13 17:25:34,206 INFO L226 Difference]: Without dead ends: 845 [2025-04-13 17:25:34,210 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 17:25:34,212 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 158 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:34,212 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6 Invalid, 158 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:34,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2025-04-13 17:25:34,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 845. [2025-04-13 17:25:34,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 845 states, 840 states have (on average 3.0035714285714286) internal successors, (2523), 844 states have internal predecessors, (2523), 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 17:25:34,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 845 states to 845 states and 2523 transitions. [2025-04-13 17:25:34,248 INFO L79 Accepts]: Start accepts. Automaton has 845 states and 2523 transitions. Word has length 8 [2025-04-13 17:25:34,248 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:34,248 INFO L485 AbstractCegarLoop]: Abstraction has 845 states and 2523 transitions. [2025-04-13 17:25:34,248 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 2 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:34,248 INFO L278 IsEmpty]: Start isEmpty. Operand 845 states and 2523 transitions. [2025-04-13 17:25:34,249 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2025-04-13 17:25:34,249 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:34,249 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:34,250 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-13 17:25:34,250 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 6 more)] === [2025-04-13 17:25:34,251 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:34,251 INFO L85 PathProgramCache]: Analyzing trace with hash 320436037, now seen corresponding path program 1 times [2025-04-13 17:25:34,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:34,251 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395370822] [2025-04-13 17:25:34,251 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:34,251 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:34,298 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-13 17:25:34,331 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-13 17:25:34,331 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:34,331 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:34,561 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 17:25:34,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:34,561 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395370822] [2025-04-13 17:25:34,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [395370822] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:34,561 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969978629] [2025-04-13 17:25:34,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:34,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:34,561 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:34,565 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 17:25:34,565 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 17:25:34,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 9 statements into 1 equivalence classes. [2025-04-13 17:25:34,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 9 of 9 statements. [2025-04-13 17:25:34,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:34,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:34,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-13 17:25:34,973 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:35,008 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 17:25:35,008 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:35,037 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 17:25:35,037 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969978629] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:35,037 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:35,037 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-04-13 17:25:35,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921057442] [2025-04-13 17:25:35,038 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:35,038 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-13 17:25:35,038 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:35,038 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-13 17:25:35,038 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-04-13 17:25:35,038 INFO L87 Difference]: Start difference. First operand 845 states and 2523 transitions. Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 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 17:25:35,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:35,399 INFO L93 Difference]: Finished difference Result 1692 states and 5056 transitions. [2025-04-13 17:25:35,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-13 17:25:35,400 INFO L79 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 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 9 [2025-04-13 17:25:35,400 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:35,408 INFO L225 Difference]: With dead ends: 1692 [2025-04-13 17:25:35,409 INFO L226 Difference]: Without dead ends: 850 [2025-04-13 17:25:35,411 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-04-13 17:25:35,412 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 314 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 314 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:35,412 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 12 Invalid, 325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 314 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-04-13 17:25:35,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 850 states. [2025-04-13 17:25:35,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 850 to 850. [2025-04-13 17:25:35,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 850 states, 845 states have (on average 2.9917159763313608) internal successors, (2528), 849 states have internal predecessors, (2528), 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 17:25:35,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 850 states and 2528 transitions. [2025-04-13 17:25:35,448 INFO L79 Accepts]: Start accepts. Automaton has 850 states and 2528 transitions. Word has length 9 [2025-04-13 17:25:35,448 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:35,448 INFO L485 AbstractCegarLoop]: Abstraction has 850 states and 2528 transitions. [2025-04-13 17:25:35,448 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.875) internal successors, (15), 7 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 17:25:35,448 INFO L278 IsEmpty]: Start isEmpty. Operand 850 states and 2528 transitions. [2025-04-13 17:25:35,448 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-04-13 17:25:35,448 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:35,448 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:35,457 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 17:25:35,653 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 17:25:35,653 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:35,654 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:35,654 INFO L85 PathProgramCache]: Analyzing trace with hash 1766505000, now seen corresponding path program 2 times [2025-04-13 17:25:35,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:35,654 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465385778] [2025-04-13 17:25:35,654 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:35,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:35,703 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 12 statements into 2 equivalence classes. [2025-04-13 17:25:35,740 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 8 of 12 statements. [2025-04-13 17:25:35,741 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 17:25:35,741 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:35,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-13 17:25:35,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:35,934 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465385778] [2025-04-13 17:25:35,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465385778] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:35,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:35,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-13 17:25:35,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154259030] [2025-04-13 17:25:35,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:35,936 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:35,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:35,936 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:35,936 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:35,936 INFO L87 Difference]: Start difference. First operand 850 states and 2528 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:36,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:36,151 INFO L93 Difference]: Finished difference Result 895 states and 2637 transitions. [2025-04-13 17:25:36,152 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:36,152 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2025-04-13 17:25:36,152 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:36,157 INFO L225 Difference]: With dead ends: 895 [2025-04-13 17:25:36,158 INFO L226 Difference]: Without dead ends: 860 [2025-04-13 17:25:36,158 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 17:25:36,158 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 27 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 183 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:36,159 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 5 Invalid, 183 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:36,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 860 states. [2025-04-13 17:25:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 860 to 833. [2025-04-13 17:25:36,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 833 states, 828 states have (on average 2.9842995169082127) internal successors, (2471), 832 states have internal predecessors, (2471), 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 17:25:36,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 833 states and 2471 transitions. [2025-04-13 17:25:36,184 INFO L79 Accepts]: Start accepts. Automaton has 833 states and 2471 transitions. Word has length 12 [2025-04-13 17:25:36,184 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:36,184 INFO L485 AbstractCegarLoop]: Abstraction has 833 states and 2471 transitions. [2025-04-13 17:25:36,184 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:36,184 INFO L278 IsEmpty]: Start isEmpty. Operand 833 states and 2471 transitions. [2025-04-13 17:25:36,185 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-04-13 17:25:36,185 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:36,185 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:36,185 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-13 17:25:36,185 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:36,186 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:36,186 INFO L85 PathProgramCache]: Analyzing trace with hash -740192900, now seen corresponding path program 1 times [2025-04-13 17:25:36,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:36,186 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110010170] [2025-04-13 17:25:36,186 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:36,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:36,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-13 17:25:36,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-13 17:25:36,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:36,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-13 17:25:36,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:36,329 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110010170] [2025-04-13 17:25:36,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110010170] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:36,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:36,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 17:25:36,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683254926] [2025-04-13 17:25:36,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:36,329 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-13 17:25:36,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:36,329 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-13 17:25:36,330 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-13 17:25:36,330 INFO L87 Difference]: Start difference. First operand 833 states and 2471 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 17:25:36,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:36,545 INFO L93 Difference]: Finished difference Result 1461 states and 4267 transitions. [2025-04-13 17:25:36,545 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-13 17:25:36,545 INFO L79 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 17 [2025-04-13 17:25:36,546 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:36,552 INFO L225 Difference]: With dead ends: 1461 [2025-04-13 17:25:36,552 INFO L226 Difference]: Without dead ends: 1017 [2025-04-13 17:25:36,553 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 17:25:36,554 INFO L437 NwaCegarLoop]: 5 mSDtfsCounter, 34 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:36,554 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 8 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:36,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2025-04-13 17:25:36,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 971. [2025-04-13 17:25:36,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 971 states, 966 states have (on average 2.9968944099378882) internal successors, (2895), 970 states have internal predecessors, (2895), 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 17:25:36,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 971 states and 2895 transitions. [2025-04-13 17:25:36,581 INFO L79 Accepts]: Start accepts. Automaton has 971 states and 2895 transitions. Word has length 17 [2025-04-13 17:25:36,581 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:36,581 INFO L485 AbstractCegarLoop]: Abstraction has 971 states and 2895 transitions. [2025-04-13 17:25:36,581 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 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 17:25:36,582 INFO L278 IsEmpty]: Start isEmpty. Operand 971 states and 2895 transitions. [2025-04-13 17:25:36,583 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2025-04-13 17:25:36,583 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:36,584 INFO L218 NwaCegarLoop]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:36,584 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-13 17:25:36,584 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:36,584 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:36,584 INFO L85 PathProgramCache]: Analyzing trace with hash -797451202, now seen corresponding path program 1 times [2025-04-13 17:25:36,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:36,584 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474944640] [2025-04-13 17:25:36,584 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:36,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:36,625 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-13 17:25:36,670 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-13 17:25:36,670 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:36,670 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:36,945 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:36,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:36,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474944640] [2025-04-13 17:25:36,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474944640] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:36,945 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883151508] [2025-04-13 17:25:36,946 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:36,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:36,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:36,948 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:25:36,949 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-13 17:25:37,226 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-13 17:25:37,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-13 17:25:37,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:37,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:37,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-13 17:25:37,444 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:37,490 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:37,569 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:37,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883151508] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:37,569 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:37,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2025-04-13 17:25:37,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205751383] [2025-04-13 17:25:37,569 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:37,569 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-04-13 17:25:37,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:37,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-04-13 17:25:37,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2025-04-13 17:25:37,570 INFO L87 Difference]: Start difference. First operand 971 states and 2895 transitions. Second operand has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 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 17:25:38,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:38,580 INFO L93 Difference]: Finished difference Result 1945 states and 5809 transitions. [2025-04-13 17:25:38,581 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-13 17:25:38,581 INFO L79 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 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 17 [2025-04-13 17:25:38,581 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:38,588 INFO L225 Difference]: With dead ends: 1945 [2025-04-13 17:25:38,588 INFO L226 Difference]: Without dead ends: 980 [2025-04-13 17:25:38,590 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 97 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=142, Invalid=238, Unknown=0, NotChecked=0, Total=380 [2025-04-13 17:25:38,592 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 591 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 619 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 591 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:38,592 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 21 Invalid, 619 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 591 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-04-13 17:25:38,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2025-04-13 17:25:38,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 980. [2025-04-13 17:25:38,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 980 states, 975 states have (on average 2.9784615384615383) internal successors, (2904), 979 states have internal predecessors, (2904), 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 17:25:38,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 980 states and 2904 transitions. [2025-04-13 17:25:38,628 INFO L79 Accepts]: Start accepts. Automaton has 980 states and 2904 transitions. Word has length 17 [2025-04-13 17:25:38,628 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:38,629 INFO L485 AbstractCegarLoop]: Abstraction has 980 states and 2904 transitions. [2025-04-13 17:25:38,629 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1.75) internal successors, (28), 15 states have internal predecessors, (28), 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 17:25:38,629 INFO L278 IsEmpty]: Start isEmpty. Operand 980 states and 2904 transitions. [2025-04-13 17:25:38,629 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2025-04-13 17:25:38,630 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:38,630 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:38,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-13 17:25:38,834 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-04-13 17:25:38,834 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:38,834 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:38,834 INFO L85 PathProgramCache]: Analyzing trace with hash -1286820514, now seen corresponding path program 2 times [2025-04-13 17:25:38,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:38,834 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [524174694] [2025-04-13 17:25:38,834 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:38,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:38,892 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 23 statements into 2 equivalence classes. [2025-04-13 17:25:38,939 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 13 of 23 statements. [2025-04-13 17:25:38,939 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-13 17:25:38,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:39,217 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-13 17:25:39,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:39,217 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [524174694] [2025-04-13 17:25:39,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [524174694] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-13 17:25:39,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-13 17:25:39,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-13 17:25:39,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43012681] [2025-04-13 17:25:39,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-13 17:25:39,217 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-13 17:25:39,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:39,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-13 17:25:39,218 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 17:25:39,218 INFO L87 Difference]: Start difference. First operand 980 states and 2904 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 17:25:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:39,490 INFO L93 Difference]: Finished difference Result 1000 states and 2944 transitions. [2025-04-13 17:25:39,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-13 17:25:39,491 INFO L79 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 23 [2025-04-13 17:25:39,491 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:39,497 INFO L225 Difference]: With dead ends: 1000 [2025-04-13 17:25:39,497 INFO L226 Difference]: Without dead ends: 882 [2025-04-13 17:25:39,498 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-13 17:25:39,498 INFO L437 NwaCegarLoop]: 6 mSDtfsCounter, 81 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 247 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:39,499 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 10 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 247 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-04-13 17:25:39,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2025-04-13 17:25:39,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 878. [2025-04-13 17:25:39,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 874 states have (on average 2.9816933638443937) internal successors, (2606), 877 states have internal predecessors, (2606), 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 17:25:39,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 2606 transitions. [2025-04-13 17:25:39,525 INFO L79 Accepts]: Start accepts. Automaton has 878 states and 2606 transitions. Word has length 23 [2025-04-13 17:25:39,526 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:39,526 INFO L485 AbstractCegarLoop]: Abstraction has 878 states and 2606 transitions. [2025-04-13 17:25:39,526 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 17:25:39,526 INFO L278 IsEmpty]: Start isEmpty. Operand 878 states and 2606 transitions. [2025-04-13 17:25:39,528 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-04-13 17:25:39,528 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:39,528 INFO L218 NwaCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:39,528 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-04-13 17:25:39,528 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:39,528 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:39,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1751415080, now seen corresponding path program 1 times [2025-04-13 17:25:39,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:39,528 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331772526] [2025-04-13 17:25:39,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:39,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:39,569 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-13 17:25:39,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-13 17:25:39,635 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:39,635 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:40,082 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:40,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:40,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331772526] [2025-04-13 17:25:40,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331772526] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:40,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454952543] [2025-04-13 17:25:40,082 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-13 17:25:40,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:40,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:40,084 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:25:40,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-13 17:25:40,348 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-04-13 17:25:40,934 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-04-13 17:25:40,934 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-13 17:25:40,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:40,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-13 17:25:40,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:40,991 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:40,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:41,251 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:41,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454952543] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:41,251 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:41,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 25 [2025-04-13 17:25:41,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752970450] [2025-04-13 17:25:41,251 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:41,251 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-04-13 17:25:41,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:41,252 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-04-13 17:25:41,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=457, Unknown=0, NotChecked=0, Total=650 [2025-04-13 17:25:41,252 INFO L87 Difference]: Start difference. First operand 878 states and 2606 transitions. Second operand has 26 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:45,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:25:45,096 INFO L93 Difference]: Finished difference Result 1762 states and 5252 transitions. [2025-04-13 17:25:45,096 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-13 17:25:45,097 INFO L79 Accepts]: Start accepts. Automaton has has 26 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2025-04-13 17:25:45,097 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:25:45,102 INFO L225 Difference]: With dead ends: 1762 [2025-04-13 17:25:45,102 INFO L226 Difference]: Without dead ends: 896 [2025-04-13 17:25:45,104 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 132 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=443, Invalid=817, Unknown=0, NotChecked=0, Total=1260 [2025-04-13 17:25:45,105 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1227 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 1318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 1227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2025-04-13 17:25:45,105 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 1318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 1227 Invalid, 0 Unknown, 0 Unchecked, 2.3s Time] [2025-04-13 17:25:45,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 896 states. [2025-04-13 17:25:45,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 896 to 896. [2025-04-13 17:25:45,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 896 states, 892 states have (on average 2.9417040358744395) internal successors, (2624), 895 states have internal predecessors, (2624), 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 17:25:45,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 896 states and 2624 transitions. [2025-04-13 17:25:45,131 INFO L79 Accepts]: Start accepts. Automaton has 896 states and 2624 transitions. Word has length 27 [2025-04-13 17:25:45,131 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:25:45,131 INFO L485 AbstractCegarLoop]: Abstraction has 896 states and 2624 transitions. [2025-04-13 17:25:45,131 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 1.6153846153846154) internal successors, (42), 25 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-13 17:25:45,131 INFO L278 IsEmpty]: Start isEmpty. Operand 896 states and 2624 transitions. [2025-04-13 17:25:45,132 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-04-13 17:25:45,132 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:25:45,132 INFO L218 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:25:45,143 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-13 17:25:45,332 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:45,333 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:25:45,333 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:25:45,333 INFO L85 PathProgramCache]: Analyzing trace with hash -767295208, now seen corresponding path program 2 times [2025-04-13 17:25:45,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:25:45,333 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944500338] [2025-04-13 17:25:45,333 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:45,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:25:45,380 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-04-13 17:25:45,627 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-04-13 17:25:45,627 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-13 17:25:45,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:46,623 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:46,623 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:25:46,624 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944500338] [2025-04-13 17:25:46,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944500338] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:25:46,624 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825865093] [2025-04-13 17:25:46,624 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-13 17:25:46,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:25:46,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:25:46,627 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:25:46,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-13 17:25:46,899 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 39 statements into 2 equivalence classes. [2025-04-13 17:25:47,892 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 39 of 39 statements. [2025-04-13 17:25:47,893 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-13 17:25:47,893 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:25:47,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 1034 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-13 17:25:47,902 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-13 17:25:48,514 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:48,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-13 17:25:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:25:49,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [825865093] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-13 17:25:49,352 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-13 17:25:49,352 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2025-04-13 17:25:49,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802690410] [2025-04-13 17:25:49,352 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-13 17:25:49,352 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2025-04-13 17:25:49,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:25:49,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2025-04-13 17:25:49,354 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1264, Invalid=3706, Unknown=0, NotChecked=0, Total=4970 [2025-04-13 17:25:49,354 INFO L87 Difference]: Start difference. First operand 896 states and 2624 transitions. Second operand has 71 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 70 states have internal predecessors, (87), 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 17:26:19,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-04-13 17:26:19,859 INFO L93 Difference]: Finished difference Result 1797 states and 5309 transitions. [2025-04-13 17:26:19,859 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2025-04-13 17:26:19,860 INFO L79 Accepts]: Start accepts. Automaton has has 71 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 70 states have internal predecessors, (87), 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 39 [2025-04-13 17:26:19,860 INFO L85 Accepts]: Finished accepts. some prefix is accepted. [2025-04-13 17:26:19,865 INFO L225 Difference]: With dead ends: 1797 [2025-04-13 17:26:19,865 INFO L226 Difference]: Without dead ends: 925 [2025-04-13 17:26:19,868 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2599 ImplicationChecksByTransitivity, 27.4s TimeCoverageRelationStatistics Valid=2826, Invalid=5730, Unknown=0, NotChecked=0, Total=8556 [2025-04-13 17:26:19,868 INFO L437 NwaCegarLoop]: 3 mSDtfsCounter, 0 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 2582 mSolverCounterSat, 171 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 2753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 171 IncrementalHoareTripleChecker+Valid, 2582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2025-04-13 17:26:19,868 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 2753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [171 Valid, 2582 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2025-04-13 17:26:19,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2025-04-13 17:26:19,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 925. [2025-04-13 17:26:19,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 925 states, 921 states have (on average 2.8805646036916395) internal successors, (2653), 924 states have internal predecessors, (2653), 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 17:26:19,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 925 states and 2653 transitions. [2025-04-13 17:26:19,926 INFO L79 Accepts]: Start accepts. Automaton has 925 states and 2653 transitions. Word has length 39 [2025-04-13 17:26:19,926 INFO L85 Accepts]: Finished accepts. word is rejected. [2025-04-13 17:26:19,926 INFO L485 AbstractCegarLoop]: Abstraction has 925 states and 2653 transitions. [2025-04-13 17:26:19,926 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 1.2253521126760563) internal successors, (87), 70 states have internal predecessors, (87), 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 17:26:19,926 INFO L278 IsEmpty]: Start isEmpty. Operand 925 states and 2653 transitions. [2025-04-13 17:26:19,930 INFO L284 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-04-13 17:26:19,931 INFO L210 NwaCegarLoop]: Found error trace [2025-04-13 17:26:19,931 INFO L218 NwaCegarLoop]: trace histogram [46, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-04-13 17:26:19,954 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-13 17:26:20,131 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:26:20,131 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2025-04-13 17:26:20,132 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-13 17:26:20,132 INFO L85 PathProgramCache]: Analyzing trace with hash 909432216, now seen corresponding path program 3 times [2025-04-13 17:26:20,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-13 17:26:20,132 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126691130] [2025-04-13 17:26:20,132 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 17:26:20,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-13 17:26:20,197 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 24 equivalence classes. [2025-04-13 17:26:21,171 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) and asserted 63 of 63 statements. [2025-04-13 17:26:21,172 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 24 check-sat command(s) [2025-04-13 17:26:21,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-13 17:26:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-13 17:26:24,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-13 17:26:24,831 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126691130] [2025-04-13 17:26:24,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1126691130] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-13 17:26:24,831 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1076823143] [2025-04-13 17:26:24,831 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-13 17:26:24,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-13 17:26:24,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-13 17:26:24,833 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-13 17:26:24,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-13 17:26:25,150 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 63 statements into 24 equivalence classes. Received shutdown request... [2025-04-13 17:39:55,203 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-13 17:39:55,203 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-13 17:39:56,217 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 [2025-04-13 17:39:56,403 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forcibly destroying the process [2025-04-13 17:39:56,428 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-13 17:39:56,428 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-13 17:39:56,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2025-04-13 17:39:56,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397197376] [2025-04-13 17:39:56,429 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-13 17:39:56,429 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2025-04-13 17:39:56,429 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-13 17:39:56,429 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2025-04-13 17:39:56,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 137 [2025-04-13 17:39:56,431 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=1915, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 17:39:56,432 INFO L87 Difference]: Start difference. First operand 925 states and 2653 transitions. Second operand has 49 states, 49 states have (on average 1.2857142857142858) internal successors, (63), 48 states have internal predecessors, (63), 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 17:39:56,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-13 17:39:56,436 INFO L436 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=437, Invalid=1915, Unknown=0, NotChecked=0, Total=2352 [2025-04-13 17:39:56,436 INFO L437 NwaCegarLoop]: 0 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-04-13 17:39:56,436 INFO L438 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-04-13 17:39:56,438 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2025-04-13 17:39:56,438 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-04-13 17:39:56,438 WARN L610 AbstractCegarLoop]: Verification canceled: while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). [2025-04-13 17:39:56,440 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2025-04-13 17:39:56,440 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 9 remaining) [2025-04-13 17:39:56,440 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2025-04-13 17:39:56,440 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2025-04-13 17:39:56,440 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2025-04-13 17:39:56,441 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2025-04-13 17:39:56,441 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2025-04-13 17:39:56,441 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2025-04-13 17:39:56,443 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 2, 1, 1, 1] [2025-04-13 17:39:56,446 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-13 17:39:56,446 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-13 17:39:56,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.04 05:39:56 BasicIcfg [2025-04-13 17:39:56,449 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-13 17:39:56,450 INFO L158 Benchmark]: Toolchain (without parser) took 870963.69ms. Allocated memory was 142.6MB in the beginning and 406.8MB in the end (delta: 264.2MB). Free memory was 89.5MB in the beginning and 231.1MB in the end (delta: -141.6MB). Peak memory consumption was 125.1MB. Max. memory is 8.0GB. [2025-04-13 17:39:56,450 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 142.6MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:39:56,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4035.12ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 89.0MB in the beginning and 228.0MB in the end (delta: -139.0MB). Peak memory consumption was 101.1MB. Max. memory is 8.0GB. [2025-04-13 17:39:56,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 121.17ms. Allocated memory is still 335.5MB. Free memory was 228.0MB in the beginning and 215.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 17:39:56,451 INFO L158 Benchmark]: Boogie Preprocessor took 108.71ms. Allocated memory is still 335.5MB. Free memory was 215.4MB in the beginning and 204.8MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-13 17:39:56,451 INFO L158 Benchmark]: RCFGBuilder took 2583.87ms. Allocated memory was 335.5MB in the beginning and 520.1MB in the end (delta: 184.5MB). Free memory was 204.8MB in the beginning and 265.9MB in the end (delta: -61.1MB). Peak memory consumption was 170.4MB. Max. memory is 8.0GB. [2025-04-13 17:39:56,451 INFO L158 Benchmark]: TraceAbstraction took 864108.10ms. Allocated memory was 520.1MB in the beginning and 406.8MB in the end (delta: -113.2MB). Free memory was 265.9MB in the beginning and 231.1MB in the end (delta: 34.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-13 17:39:56,452 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 142.6MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4035.12ms. Allocated memory was 142.6MB in the beginning and 335.5MB in the end (delta: 192.9MB). Free memory was 89.0MB in the beginning and 228.0MB in the end (delta: -139.0MB). Peak memory consumption was 101.1MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 121.17ms. Allocated memory is still 335.5MB. Free memory was 228.0MB in the beginning and 215.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 108.71ms. Allocated memory is still 335.5MB. Free memory was 215.4MB in the beginning and 204.8MB in the end (delta: 10.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * RCFGBuilder took 2583.87ms. Allocated memory was 335.5MB in the beginning and 520.1MB in the end (delta: 184.5MB). Free memory was 204.8MB in the beginning and 265.9MB in the end (delta: -61.1MB). Peak memory consumption was 170.4MB. Max. memory is 8.0GB. * TraceAbstraction took 864108.10ms. Allocated memory was 520.1MB in the beginning and 406.8MB in the end (delta: -113.2MB). Free memory was 265.9MB in the beginning and 231.1MB in the end (delta: 34.8MB). 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: - 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 - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7083]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 7082]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while NwaCegarLoop was constructing difference of abstraction (925states) and FLOYD_HOARE automaton (currently 2 states, 49 states before enhancement),while ReachableStatesComputation was computing reachable states (1 states constructed, input type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 105 locations, 162 edges, 9 error locations. Started 1 CEGAR loops. OverallTime: 864.0s, OverallIterations: 10, TraceHistogramMax: 46, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 36.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 142 SdHoareTripleChecker+Valid, 9.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 179 SdHoareTripleChecker+Invalid, 8.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 147 mSDsCounter, 304 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5566 IncrementalHoareTripleChecker+Invalid, 5870 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 304 mSolverCounterUnsat, 32 mSDtfsCounter, 5566 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 317 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 202 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2872 ImplicationChecksByTransitivity, 30.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=980occurred in iteration=6, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 8.8s InterpolantComputationTime, 310 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 39 NumberOfCheckSat, 384 ConstructedInterpolants, 0 QuantifiedInterpolants, 2143 SizeOfPredicates, 4 NumberOfNonLiveVariables, 3185 ConjunctsInSsa, 102 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 75/2113 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown