/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 14:53:26,728 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 14:53:26,782 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 14:53:26,784 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 14:53:26,784 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 14:53:26,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 14:53:26,803 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 14:53:26,803 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 14:53:26,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 14:53:26,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 14:53:26,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 14:53:26,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 14:53:26,805 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 14:53:26,805 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 14:53:26,805 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 14:53:26,805 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 14:53:26,806 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 14:53:27,009 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 14:53:27,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 14:53:27,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 14:53:27,018 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 14:53:27,019 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 14:53:27,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2025-04-14 14:53:28,241 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695abad08/5eedf1ab9ed241d091bf8bb1fae85a82/FLAG02b54c86f [2025-04-14 14:53:28,627 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 14:53:28,627 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2025-04-14 14:53:28,667 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695abad08/5eedf1ab9ed241d091bf8bb1fae85a82/FLAG02b54c86f [2025-04-14 14:53:29,328 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/695abad08/5eedf1ab9ed241d091bf8bb1fae85a82 [2025-04-14 14:53:29,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 14:53:29,331 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 14:53:29,331 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 14:53:29,331 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 14:53:29,335 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 14:53:29,335 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 02:53:29" (1/1) ... [2025-04-14 14:53:29,337 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bf29641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:29, skipping insertion in model container [2025-04-14 14:53:29,337 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 02:53:29" (1/1) ... [2025-04-14 14:53:29,411 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 14:53:29,740 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_current.i[5520,5533] [2025-04-14 14:53:32,867 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 14:53:32,867 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 14:53:32,913 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 14:53:32,928 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 14:53:32,946 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_current.i[5520,5533] [2025-04-14 14:53:33,028 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 14:53:33,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 14:53:33,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 14:53:33,030 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] [2025-04-14 14:53:33,116 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] [2025-04-14 14:53:33,183 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 14:53:33,183 WARN L1730 CHandler]: Possible shadowing of function iminor [2025-04-14 14:53:33,194 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 14:53:33,481 INFO L204 MainTranslator]: Completed translation [2025-04-14 14:53:33,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33 WrapperNode [2025-04-14 14:53:33,482 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 14:53:33,484 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 14:53:33,484 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 14:53:33,484 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 14:53:33,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,603 INFO L138 Inliner]: procedures = 1392, calls = 1539, calls flagged for inlining = 397, calls inlined = 54, statements flattened = 748 [2025-04-14 14:53:33,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 14:53:33,605 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 14:53:33,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 14:53:33,605 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 14:53:33,617 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,624 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,650 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,659 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 14:53:33,683 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 14:53:33,683 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 14:53:33,683 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 14:53:33,686 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (1/1) ... [2025-04-14 14:53:33,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 14:53:33,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:53:33,711 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 14:53:33,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-14 14:53:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2025-04-14 14:53:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 14:53:33,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 14:53:33,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 14:53:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2025-04-14 14:53:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 14:53:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 14:53:33,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 14:53:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 14:53:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2025-04-14 14:53:33,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 14:53:33,735 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 14:53:34,058 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 14:53:34,059 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 14:53:34,126 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6879: havoc pc8736x_gpio_current_#t~bitwise1138#1; [2025-04-14 14:53:34,267 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,267 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,267 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,267 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6879: havoc pc8736x_gpio_current_#t~bitwise1138#1; [2025-04-14 14:53:34,765 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,765 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6713: havoc platform_device_add_#t~nondet1102#1; [2025-04-14 14:53:34,765 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-5: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,765 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-10: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,765 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-15: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-20: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-25: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6680-30: havoc inb_p_#t~nondet1096#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6615: havoc alloc_chrdev_region_#t~nondet1085#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6717: havoc platform_device_alloc_#t~ret1103#1.base, platform_device_alloc_#t~ret1103#1.offset; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923-1: SUMMARY for call ULTIMATE.dealloc(pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset); srcloc: null [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6923: havoc pc8736x_gpio_init_~#devid~0#1.base, pc8736x_gpio_init_~#devid~0#1.offset; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791: havoc superio_inb_#t~ret1112#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-8: havoc superio_inb_#t~ret1112#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-16: havoc superio_inb_#t~ret1112#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-24: havoc superio_inb_#t~ret1112#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-32: havoc superio_inb_#t~ret1112#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6791-40: havoc superio_inb_#t~ret1112#1; [2025-04-14 14:53:34,766 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6633: havoc cdev_add_#t~nondet1088#1; [2025-04-14 14:53:34,767 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6738: havoc register_chrdev_region_#t~nondet1106#1; [2025-04-14 14:53:34,767 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L6607: havoc __request_region_#t~ret1083#1.base, __request_region_#t~ret1083#1.offset; [2025-04-14 14:53:34,767 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 14:53:34,767 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 14:53:35,311 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 14:53:35,311 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 14:53:35,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 02:53:35 BoogieIcfgContainer [2025-04-14 14:53:35,313 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 14:53:35,314 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 14:53:35,314 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 14:53:35,317 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 14:53:35,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 02:53:29" (1/3) ... [2025-04-14 14:53:35,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b666bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 02:53:35, skipping insertion in model container [2025-04-14 14:53:35,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 02:53:33" (2/3) ... [2025-04-14 14:53:35,318 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b666bfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 02:53:35, skipping insertion in model container [2025-04-14 14:53:35,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 02:53:35" (3/3) ... [2025-04-14 14:53:35,318 INFO L128 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i [2025-04-14 14:53:35,328 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 14:53:35,331 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_current.i that has 3 procedures, 74 locations, 104 edges, 1 initial locations, 14 loop locations, and 4 error locations. [2025-04-14 14:53:35,332 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 14:53:35,397 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 14:53:35,434 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 14:53:35,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 14:53:35,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:53:35,438 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 14:53:35,440 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 14:53:35,618 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 14:53:35,630 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1 ======== [2025-04-14 14:53:35,636 INFO L340 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b99ea1c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 14:53:35,636 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 14:53:35,777 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:53:35,777 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:53:35,777 INFO L139 ounterexampleChecker]: Examining path program with hash 87523833, occurence #1 [2025-04-14 14:53:35,777 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:53:35,777 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:53:35,781 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:35,781 INFO L85 PathProgramCache]: Analyzing trace with hash 2114864416, now seen corresponding path program 1 times [2025-04-14 14:53:35,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:53:35,788 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065248607] [2025-04-14 14:53:35,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:35,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:35,968 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 8 statements into 1 equivalence classes. [2025-04-14 14:53:36,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 8 of 8 statements. [2025-04-14 14:53:36,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:36,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:36,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:53:36,317 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065248607] [2025-04-14 14:53:36,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065248607] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:53:36,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 14:53:36,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 14:53:36,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185371729] [2025-04-14 14:53:36,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:53:36,323 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 14:53:36,323 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:53:36,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 14:53:36,336 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 14:53:36,336 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:36,337 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:53:36,339 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 14:53:36,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:36,427 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:36,427 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 14:53:36,427 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:53:36,427 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:53:36,427 INFO L139 ounterexampleChecker]: Examining path program with hash 1417091751, occurence #1 [2025-04-14 14:53:36,427 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:53:36,427 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:53:36,428 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:36,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1477289149, now seen corresponding path program 1 times [2025-04-14 14:53:36,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:53:36,428 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707835739] [2025-04-14 14:53:36,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:36,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:36,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-04-14 14:53:36,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-04-14 14:53:36,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:36,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:36,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:53:36,760 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707835739] [2025-04-14 14:53:36,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707835739] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:53:36,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 14:53:36,760 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 14:53:36,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614512677] [2025-04-14 14:53:36,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:53:36,761 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 14:53:36,761 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:53:36,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 14:53:36,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 14:53:36,762 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:36,762 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:53:36,762 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 14:53:36,762 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:36,762 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:36,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:36,820 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:36,820 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 14:53:36,821 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:53:36,821 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:53:36,821 INFO L139 ounterexampleChecker]: Examining path program with hash 1417091751, occurence #2 [2025-04-14 14:53:36,821 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:53:36,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 14:53:36,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:36,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 14:53:36,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:36,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 14:53:36,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:36,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 14:53:36,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:36,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 14:53:36,822 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:36,822 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 14:53:36,843 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:53:36,843 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:53:36,843 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:53:36,844 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:36,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1977770612, now seen corresponding path program 1 times [2025-04-14 14:53:36,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:53:36,844 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303279579] [2025-04-14 14:53:36,844 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:36,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:36,895 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-14 14:53:37,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-14 14:53:37,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:37,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:37,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:53:37,304 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303279579] [2025-04-14 14:53:37,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303279579] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:37,304 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113736494] [2025-04-14 14:53:37,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:37,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:53:37,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:53:37,308 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 14:53:37,308 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 14:53:37,519 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 15 statements into 1 equivalence classes. [2025-04-14 14:53:37,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 15 of 15 statements. [2025-04-14 14:53:37,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:37,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:37,752 INFO L256 TraceCheckSpWp]: Trace formula consists of 627 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 14:53:37,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:53:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 14:53:37,769 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 14:53:37,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113736494] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 14:53:37,770 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 14:53:37,770 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2025-04-14 14:53:37,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434113047] [2025-04-14 14:53:37,770 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 14:53:37,770 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 14:53:37,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:53:37,771 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 14:53:37,771 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-04-14 14:53:37,771 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:37,771 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:53:37,771 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 14:53:37,771 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:37,771 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:37,771 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:38,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:38,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:38,145 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:38,154 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 14:53:38,346 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,SelfDestructingSolverStorable2 [2025-04-14 14:53:38,346 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:53:38,346 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:53:38,346 INFO L139 ounterexampleChecker]: Examining path program with hash 419028691, occurence #1 [2025-04-14 14:53:38,347 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 14:53:38,347 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:53:38,347 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:38,347 INFO L85 PathProgramCache]: Analyzing trace with hash -33459079, now seen corresponding path program 1 times [2025-04-14 14:53:38,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:53:38,347 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222843051] [2025-04-14 14:53:38,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:38,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:38,397 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-14 14:53:38,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-14 14:53:38,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:38,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:38,736 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:38,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:53:38,736 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222843051] [2025-04-14 14:53:38,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222843051] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:38,736 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1028945669] [2025-04-14 14:53:38,736 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:38,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:53:38,736 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:53:38,738 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) [2025-04-14 14:53:38,739 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 14:53:38,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-04-14 14:53:39,116 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-04-14 14:53:39,117 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:39,117 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:39,124 INFO L256 TraceCheckSpWp]: Trace formula consists of 727 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 14:53:39,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:53:39,143 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:39,143 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:53:39,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:39,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1028945669] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:53:39,174 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:53:39,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2025-04-14 14:53:39,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966801044] [2025-04-14 14:53:39,174 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:53:39,174 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 14:53:39,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:53:39,174 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 14:53:39,175 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-04-14 14:53:39,175 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:39,175 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:53:39,175 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 14:53:39,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:39,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:39,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:39,175 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:39,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:39,359 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:39,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:39,360 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 14:53:39,368 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 14:53:39,560 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:53:39,560 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:53:39,560 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:53:39,561 INFO L139 ounterexampleChecker]: Examining path program with hash 419028691, occurence #2 [2025-04-14 14:53:39,561 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 14:53:39,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 14:53:39,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 14:53:39,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 14:53:39,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 14:53:39,561 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 14:53:39,561 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:53:39,561 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 14:53:39,561 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:53:39,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 14:53:39,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 14:53:39,562 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:39,562 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 14:53:39,617 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:39,617 INFO L85 PathProgramCache]: Analyzing trace with hash 236443722, now seen corresponding path program 1 times [2025-04-14 14:53:39,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 14:53:39,618 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1466229904] [2025-04-14 14:53:39,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:39,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:39,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 14:53:39,754 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 14:53:39,754 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:39,754 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:40,067 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:40,067 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 14:53:40,067 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1466229904] [2025-04-14 14:53:40,068 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1466229904] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:40,068 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2009669561] [2025-04-14 14:53:40,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:40,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:40,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 14:53:40,168 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 14:53:40,169 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:40,169 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:40,172 INFO L256 TraceCheckSpWp]: Trace formula consists of 762 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 14:53:40,174 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:53:40,219 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:40,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2009669561] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:40,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 14:53:40,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-14 14:53:40,219 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 14:53:40,219 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:53:40,219 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:53:40,219 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:40,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1260178326, now seen corresponding path program 2 times [2025-04-14 14:53:40,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:53:40,220 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489030481] [2025-04-14 14:53:40,220 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 14:53:40,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:40,261 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-04-14 14:53:40,508 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-04-14 14:53:40,508 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 14:53:40,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:40,844 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:40,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 14:53:40,844 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489030481] [2025-04-14 14:53:40,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489030481] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:40,844 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266932596] [2025-04-14 14:53:40,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 14:53:40,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:53:40,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 14:53:40,846 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) [2025-04-14 14:53:40,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 14:53:41,059 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 42 statements into 2 equivalence classes. [2025-04-14 14:53:41,315 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 42 of 42 statements. [2025-04-14 14:53:41,315 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 14:53:41,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:41,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 778 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-04-14 14:53:41,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:53:41,374 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:41,374 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 14:53:41,451 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:41,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [266932596] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 14:53:41,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 14:53:41,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2025-04-14 14:53:41,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614606742] [2025-04-14 14:53:41,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 14:53:41,451 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2025-04-14 14:53:41,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 14:53:41,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2025-04-14 14:53:41,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=178, Unknown=0, NotChecked=0, Total=272 [2025-04-14 14:53:41,456 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:41,456 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 14:53:41,456 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 3.176470588235294) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 14:53:41,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:41,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:41,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:41,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 14:53:41,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 14:53:41,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 14:53:41,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:41,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 14:53:41,872 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 14:53:41,873 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 14:53:41,881 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 14:53:42,073 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 14:53:42,075 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 14:53:42,075 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 14:53:42,075 INFO L139 ounterexampleChecker]: Examining path program with hash 419028691, occurence #3 [2025-04-14 14:53:42,075 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 14:53:42,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 14:53:42,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,075 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 14:53:42,075 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 14:53:42,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 14:53:42,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 14:53:42,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 20 [2025-04-14 14:53:42,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 14:53:42,076 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 14:53:42,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 14:53:42,076 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 14:53:42,076 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 14:53:42,105 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:42,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1977160019, now seen corresponding path program 1 times [2025-04-14 14:53:42,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 14:53:42,106 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1383139996] [2025-04-14 14:53:42,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:42,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:42,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-14 14:53:42,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 14:53:42,209 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:42,209 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:42,664 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:42,664 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 14:53:42,664 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1383139996] [2025-04-14 14:53:42,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1383139996] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:42,665 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1334414317] [2025-04-14 14:53:42,665 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 14:53:42,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:42,708 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 47 statements into 1 equivalence classes. [2025-04-14 14:53:42,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 14:53:42,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 14:53:42,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 14:53:42,803 INFO L256 TraceCheckSpWp]: Trace formula consists of 864 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-04-14 14:53:42,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 14:53:42,957 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 14:53:42,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1334414317] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 14:53:42,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 14:53:42,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2025-04-14 14:53:42,958 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 14:53:42,958 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 14:53:42,958 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 14:53:42,958 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 14:53:42,958 INFO L85 PathProgramCache]: Analyzing trace with hash -1162417654, now seen corresponding path program 3 times [2025-04-14 14:53:42,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 14:53:42,958 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448625618] [2025-04-14 14:53:42,958 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 14:53:42,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 14:53:43,010 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 48 statements into 6 equivalence classes. [2025-04-14 14:53:44,113 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 48 of 48 statements. [2025-04-14 14:53:44,113 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-04-14 14:53:44,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2025-04-14 15:07:57,099 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 [2025-04-14 15:07:57,128 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 15:07:57,135 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,355 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,358 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,362 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,364 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,365 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,366 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,367 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,368 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,369 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,369 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,370 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,371 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,372 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,372 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,373 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,373 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,374 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,374 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,374 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,375 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,375 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,376 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,376 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,377 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,377 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,377 WARN L248 erpolLogProxyWrapper]: Unable to check validity of interpolant: cancelled [2025-04-14 15:07:57,386 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 15:07:57,386 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9 [2025-04-14 15:07:57,386 WARN L610 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 49 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-9-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ATOM-1 context. [2025-04-14 15:07:57,391 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2025-04-14 15:07:57,392 INFO L320 ceAbstractionStarter]: Result for error location whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1 was TIMEOUT (1/3) [2025-04-14 15:07:57,393 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 15:07:57,394 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 15:07:57,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 15:07:57,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 03:07:57 BasicIcfg [2025-04-14 15:07:57,404 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 15:07:57,405 INFO L158 Benchmark]: Toolchain (without parser) took 868073.68ms. Allocated memory was 142.6MB in the beginning and 805.3MB in the end (delta: 662.7MB). Free memory was 91.1MB in the beginning and 297.5MB in the end (delta: -206.4MB). Peak memory consumption was 619.4MB. Max. memory is 8.0GB. [2025-04-14 15:07:57,405 INFO L158 Benchmark]: CDTParser took 1.81ms. Allocated memory is still 155.2MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 15:07:57,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 4150.79ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 90.4MB in the beginning and 264.2MB in the end (delta: -173.8MB). Peak memory consumption was 106.6MB. Max. memory is 8.0GB. [2025-04-14 15:07:57,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 120.43ms. Allocated memory is still 377.5MB. Free memory was 264.2MB in the beginning and 251.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-04-14 15:07:57,405 INFO L158 Benchmark]: Boogie Preprocessor took 77.98ms. Allocated memory is still 377.5MB. Free memory was 251.6MB in the beginning and 246.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 15:07:57,405 INFO L158 Benchmark]: IcfgBuilder took 1629.52ms. Allocated memory is still 377.5MB. Free memory was 246.4MB in the beginning and 158.9MB in the end (delta: 87.5MB). Peak memory consumption was 175.5MB. Max. memory is 8.0GB. [2025-04-14 15:07:57,406 INFO L158 Benchmark]: TraceAbstraction took 862089.82ms. Allocated memory was 377.5MB in the beginning and 805.3MB in the end (delta: 427.8MB). Free memory was 156.8MB in the beginning and 297.5MB in the end (delta: -140.7MB). Peak memory consumption was 447.4MB. Max. memory is 8.0GB. [2025-04-14 15:07:57,407 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.81ms. Allocated memory is still 155.2MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 4150.79ms. Allocated memory was 142.6MB in the beginning and 377.5MB in the end (delta: 234.9MB). Free memory was 90.4MB in the beginning and 264.2MB in the end (delta: -173.8MB). Peak memory consumption was 106.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 120.43ms. Allocated memory is still 377.5MB. Free memory was 264.2MB in the beginning and 251.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 77.98ms. Allocated memory is still 377.5MB. Free memory was 251.6MB in the beginning and 246.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 1629.52ms. Allocated memory is still 377.5MB. Free memory was 246.4MB in the beginning and 158.9MB in the end (delta: 87.5MB). Peak memory consumption was 175.5MB. Max. memory is 8.0GB. * TraceAbstraction took 862089.82ms. Allocated memory was 377.5MB in the beginning and 805.3MB in the end (delta: 427.8MB). Free memory was 156.8MB in the beginning and 297.5MB in the end (delta: -140.7MB). Peak memory consumption was 447.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "b %b0, %1\n" : "+q" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "w %w0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "l %0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 3228]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile ("" "xchg" "q %q0, %1\n" : "+r" (__ret), "+m" (*((&head->first))) : : "memory", "cc"); [3228] - GenericResultAtLocation [Line: 5817]: Unsoundness Warning Ignoring inline assembler instruction C: asm volatile("ud2"); [5817] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 999, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 103, dependent conditional: 98, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 906, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 906, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 23, dependent conditional: 18, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 919, independent: 896, independent conditional: 3, independent unconditional: 893, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 919, independent: 896, independent conditional: 3, independent unconditional: 893, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 612, independent: 605, independent conditional: 1, independent unconditional: 604, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 612, independent: 602, independent conditional: 0, independent unconditional: 602, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 68, independent conditional: 12, independent unconditional: 56, dependent: 201, dependent conditional: 26, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 919, independent: 291, independent conditional: 2, independent unconditional: 289, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 612, unknown conditional: 2, unknown unconditional: 610] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 607, Positive conditional cache size: 3, Positive unconditional cache size: 604, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 303, Maximal queried relation: 2, Independence queries for same thread: 93, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 39, Number of trivial persistent sets: 30, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 608, independent: 603, independent conditional: 0, independent unconditional: 603, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 999, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 103, dependent conditional: 98, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 906, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 906, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 919, independent: 896, independent conditional: 293, independent unconditional: 603, dependent: 23, dependent conditional: 18, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 919, independent: 896, independent conditional: 3, independent unconditional: 893, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 919, independent: 896, independent conditional: 3, independent unconditional: 893, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 612, independent: 605, independent conditional: 1, independent unconditional: 604, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 612, independent: 602, independent conditional: 0, independent unconditional: 602, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 1, independent unconditional: 2, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 268, independent: 68, independent conditional: 12, independent unconditional: 56, dependent: 201, dependent conditional: 26, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 919, independent: 291, independent conditional: 2, independent unconditional: 289, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 612, unknown conditional: 2, unknown unconditional: 610] , Statistics on independence cache: Total cache size (in pairs): 614, Positive cache size: 607, Positive conditional cache size: 3, Positive unconditional cache size: 604, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 303, Maximal queried relation: 2, Independence queries for same thread: 93 - TimeoutResultAtElement [Line: 175]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 49 with TraceHistMax 10,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∧-9-1 term,while PolyPacSimplificationTermWalker was simplifying 9 xjuncts wrt. a ATOM-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: whoop_wrapper_pc8736x_gpio_currentThread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 110 locations, 153 edges, 9 error locations. Started 1 CEGAR loops. OverallTime: 861.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 28, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 214 NumberOfCodeBlocks, 214 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 285 ConstructedInterpolants, 0 QuantifiedInterpolants, 512 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2132 ConjunctsInSsa, 31 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 1/35 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 1559, ConditionCalculationTime [ms]: 83, ConditionCalculations: 21, QuantifiedConditions: 0, TraceChecks: 2, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 2 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown