/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-b8dbc81 [2023-01-27 18:43:00,712 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-01-27 18:43:00,713 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-01-27 18:43:00,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-01-27 18:43:00,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-01-27 18:43:00,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-01-27 18:43:00,748 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-01-27 18:43:00,751 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-01-27 18:43:00,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-01-27 18:43:00,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-01-27 18:43:00,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-01-27 18:43:00,757 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-01-27 18:43:00,758 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-01-27 18:43:00,758 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-01-27 18:43:00,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-01-27 18:43:00,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-01-27 18:43:00,760 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-01-27 18:43:00,760 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-01-27 18:43:00,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-01-27 18:43:00,762 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-01-27 18:43:00,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-01-27 18:43:00,766 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-01-27 18:43:00,767 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-01-27 18:43:00,768 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-01-27 18:43:00,775 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-01-27 18:43:00,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-01-27 18:43:00,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-01-27 18:43:00,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-01-27 18:43:00,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-01-27 18:43:00,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-01-27 18:43:00,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-01-27 18:43:00,778 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-01-27 18:43:00,779 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-01-27 18:43:00,780 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-01-27 18:43:00,780 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-01-27 18:43:00,780 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-01-27 18:43:00,781 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-01-27 18:43:00,781 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-01-27 18:43:00,781 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-01-27 18:43:00,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-01-27 18:43:00,782 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-01-27 18:43:00,783 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-01-27 18:43:00,807 INFO L113 SettingsManager]: Loading preferences was successful [2023-01-27 18:43:00,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-01-27 18:43:00,808 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-01-27 18:43:00,808 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-01-27 18:43:00,808 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-01-27 18:43:00,808 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-01-27 18:43:00,808 INFO L138 SettingsManager]: * Use SBE=true [2023-01-27 18:43:00,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-01-27 18:43:00,808 INFO L138 SettingsManager]: * sizeof long=4 [2023-01-27 18:43:00,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-01-27 18:43:00,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * sizeof long double=12 [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Use constant arrays=true [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-01-27 18:43:00,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-01-27 18:43:00,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:43:00,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-01-27 18:43:00,810 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-01-27 18:43:00,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-01-27 18:43:00,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-01-27 18:43:00,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-01-27 18:43:00,987 INFO L271 PluginConnector]: Initializing CDTParser... [2023-01-27 18:43:00,999 INFO L275 PluginConnector]: CDTParser initialized [2023-01-27 18:43:00,999 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-01-27 18:43:02,056 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-01-27 18:43:02,375 INFO L351 CDTParser]: Found 1 translation units. [2023-01-27 18:43:02,375 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-01-27 18:43:02,406 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126f0ddb0/a2cec241087a413bb285a6ec8dad18f8/FLAG1be1943dc [2023-01-27 18:43:02,598 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/126f0ddb0/a2cec241087a413bb285a6ec8dad18f8 [2023-01-27 18:43:02,599 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-01-27 18:43:02,600 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-01-27 18:43:02,601 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-01-27 18:43:02,601 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-01-27 18:43:02,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-01-27 18:43:02,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:43:02" (1/1) ... [2023-01-27 18:43:02,605 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19585570 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:02, skipping insertion in model container [2023-01-27 18:43:02,605 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.01 06:43:02" (1/1) ... [2023-01-27 18:43:02,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-01-27 18:43:02,678 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-01-27 18:43:02,889 WARN L247 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_current_pc8736x_gpio_get.i[5469,5482] [2023-01-27 18:43:04,568 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-01-27 18:43:04,901 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-01-27 18:43:04,902 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-01-27 18:43:04,934 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:43:04,945 INFO L203 MainTranslator]: Completed pre-run [2023-01-27 18:43:04,955 WARN L247 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_current_pc8736x_gpio_get.i[5469,5482] [2023-01-27 18:43:05,087 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-01-27 18:43:05,115 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-01-27 18:43:05,115 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-01-27 18:43:05,121 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-01-27 18:43:05,553 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,554 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,554 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,554 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,554 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,554 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,554 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-01-27 18:43:05,559 INFO L208 MainTranslator]: Completed translation [2023-01-27 18:43:05,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05 WrapperNode [2023-01-27 18:43:05,559 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-01-27 18:43:05,560 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-01-27 18:43:05,560 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-01-27 18:43:05,560 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-01-27 18:43:05,564 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,689 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 47, statements flattened = 628 [2023-01-27 18:43:05,689 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-01-27 18:43:05,690 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-01-27 18:43:05,690 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-01-27 18:43:05,690 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-01-27 18:43:05,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,702 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,722 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-01-27 18:43:05,730 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-01-27 18:43:05,730 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-01-27 18:43:05,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-01-27 18:43:05,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (1/1) ... [2023-01-27 18:43:05,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-01-27 18:43:05,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-01-27 18:43:05,751 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-01-27 18:43:05,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-01-27 18:43:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-01-27 18:43:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-01-27 18:43:05,798 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-01-27 18:43:05,798 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-01-27 18:43:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-01-27 18:43:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-01-27 18:43:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-01-27 18:43:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-01-27 18:43:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-01-27 18:43:05,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-01-27 18:43:05,800 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-01-27 18:43:06,089 INFO L236 CfgBuilder]: Building ICFG [2023-01-27 18:43:06,090 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-01-27 18:43:06,568 INFO L277 CfgBuilder]: Performing block encoding [2023-01-27 18:43:06,575 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-01-27 18:43:06,575 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-01-27 18:43:06,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:43:06 BoogieIcfgContainer [2023-01-27 18:43:06,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-01-27 18:43:06,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-01-27 18:43:06,579 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-01-27 18:43:06,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-01-27 18:43:06,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.01 06:43:02" (1/3) ... [2023-01-27 18:43:06,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df37ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:43:06, skipping insertion in model container [2023-01-27 18:43:06,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.01 06:43:05" (2/3) ... [2023-01-27 18:43:06,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51df37ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.01 06:43:06, skipping insertion in model container [2023-01-27 18:43:06,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.01 06:43:06" (3/3) ... [2023-01-27 18:43:06,582 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-01-27 18:43:06,593 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-01-27 18:43:06,593 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2023-01-27 18:43:06,593 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-01-27 18:43:06,700 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-01-27 18:43:06,725 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 647 places, 682 transitions, 1380 flow [2023-01-27 18:43:06,846 INFO L130 PetriNetUnfolder]: 42/680 cut-off events. [2023-01-27 18:43:06,847 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-01-27 18:43:06,852 INFO L83 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 680 events. 42/680 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 761 event pairs, 0 based on Foata normal form. 0/636 useless extension candidates. Maximal degree in co-relation 633. Up to 9 conditions per place. [2023-01-27 18:43:06,852 INFO L82 GeneralOperation]: Start removeDead. Operand has 647 places, 682 transitions, 1380 flow [2023-01-27 18:43:06,858 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 637 places, 672 transitions, 1353 flow [2023-01-27 18:43:06,860 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-01-27 18:43:06,866 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 637 places, 672 transitions, 1353 flow [2023-01-27 18:43:06,868 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 637 places, 672 transitions, 1353 flow [2023-01-27 18:43:06,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 637 places, 672 transitions, 1353 flow [2023-01-27 18:43:06,937 INFO L130 PetriNetUnfolder]: 42/672 cut-off events. [2023-01-27 18:43:06,938 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-01-27 18:43:06,939 INFO L83 FinitePrefix]: Finished finitePrefix Result has 680 conditions, 672 events. 42/672 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 707 event pairs, 0 based on Foata normal form. 0/628 useless extension candidates. Maximal degree in co-relation 633. Up to 9 conditions per place. [2023-01-27 18:43:06,941 INFO L119 LiptonReduction]: Number of co-enabled transitions 3676 [2023-01-27 18:46:25,541 WARN L222 SmtUtils]: Spent 2.26m on a formula simplification. DAG size of input: 637 DAG size of output: 635 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:46:57,515 WARN L222 SmtUtils]: Spent 31.96s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:49:16,499 WARN L222 SmtUtils]: Spent 2.32m on a formula simplification. DAG size of input: 643 DAG size of output: 639 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:50:19,239 WARN L222 SmtUtils]: Spent 1.05m on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:50:36,679 WARN L222 SmtUtils]: Spent 6.26s on a formula simplification. DAG size of input: 300 DAG size of output: 289 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-01-27 18:50:38,804 INFO L134 LiptonReduction]: Checked pairs total: 2925 [2023-01-27 18:50:38,804 INFO L136 LiptonReduction]: Total number of compositions: 753 [2023-01-27 18:50:38,821 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-01-27 18:50:38,827 INFO L357 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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@38ac2099, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-01-27 18:50:38,827 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-01-27 18:50:38,833 INFO L130 PetriNetUnfolder]: 4/9 cut-off events. [2023-01-27 18:50:38,833 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-01-27 18:50:38,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-01-27 18:50:38,834 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-01-27 18:50:38,834 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-01-27 18:50:38,838 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-01-27 18:50:38,838 INFO L85 PathProgramCache]: Analyzing trace with hash 2405765, now seen corresponding path program 1 times [2023-01-27 18:50:38,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-01-27 18:50:38,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007238584] [2023-01-27 18:50:38,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-01-27 18:50:38,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-01-27 18:50:39,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-01-27 18:50:39,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-01-27 18:50:39,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-01-27 18:50:39,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007238584] [2023-01-27 18:50:39,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007238584] provided 1 perfect and 0 imperfect interpolant sequences [2023-01-27 18:50:39,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-01-27 18:50:39,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-01-27 18:50:39,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133825667] [2023-01-27 18:50:39,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-01-27 18:50:39,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-01-27 18:50:39,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-01-27 18:50:39,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-01-27 18:50:39,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-01-27 18:50:39,245 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 652 out of 1435 [2023-01-27 18:50:39,248 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 42 transitions, 93 flow. Second operand has 2 states, 2 states have (on average 653.5) internal successors, (1307), 2 states have internal predecessors, (1307), 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) [2023-01-27 18:50:39,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-01-27 18:50:39,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 652 of 1435 [2023-01-27 18:50:39,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-01-27 18:50:39,550 INFO L130 PetriNetUnfolder]: 25/59 cut-off events. [2023-01-27 18:50:39,550 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-01-27 18:50:39,550 INFO L83 FinitePrefix]: Finished finitePrefix Result has 132 conditions, 59 events. 25/59 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 121 event pairs, 15 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 66. Up to 60 conditions per place. [2023-01-27 18:50:39,551 INFO L137 encePairwiseOnDemand]: 1424/1435 looper letters, 0 selfloop transitions, 0 changer transitions 31/31 dead transitions. [2023-01-27 18:50:39,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 31 transitions, 133 flow [2023-01-27 18:50:39,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-01-27 18:50:39,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-01-27 18:50:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1346 transitions. [2023-01-27 18:50:39,565 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4689895470383275 [2023-01-27 18:50:39,566 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1346 transitions. [2023-01-27 18:50:39,566 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1346 transitions. [2023-01-27 18:50:39,568 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-01-27 18:50:39,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1346 transitions. [2023-01-27 18:50:39,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 673.0) internal successors, (1346), 2 states have internal predecessors, (1346), 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) [2023-01-27 18:50:39,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1435.0) internal successors, (4305), 3 states have internal predecessors, (4305), 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) [2023-01-27 18:50:39,582 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1435.0) internal successors, (4305), 3 states have internal predecessors, (4305), 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) [2023-01-27 18:50:39,583 INFO L175 Difference]: Start difference. First operand has 30 places, 42 transitions, 93 flow. Second operand 2 states and 1346 transitions. [2023-01-27 18:50:39,584 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 31 transitions, 133 flow [2023-01-27 18:50:39,585 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 31 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-01-27 18:50:39,586 INFO L231 Difference]: Finished difference. Result has 26 places, 0 transitions, 0 flow [2023-01-27 18:50:39,587 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1435, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=26, PETRI_TRANSITIONS=0} [2023-01-27 18:50:39,590 INFO L281 CegarLoopForPetriNet]: 30 programPoint places, -4 predicate places. [2023-01-27 18:50:39,590 INFO L495 AbstractCegarLoop]: Abstraction has has 26 places, 0 transitions, 0 flow [2023-01-27 18:50:39,591 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 653.5) internal successors, (1307), 2 states have internal predecessors, (1307), 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) [2023-01-27 18:50:39,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-01-27 18:50:39,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2023-01-27 18:50:39,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-01-27 18:50:39,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-01-27 18:50:39,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2023-01-27 18:50:39,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-01-27 18:50:39,594 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-01-27 18:50:39,598 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-01-27 18:50:39,598 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-01-27 18:50:39,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.01 06:50:39 BasicIcfg [2023-01-27 18:50:39,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-01-27 18:50:39,605 INFO L158 Benchmark]: Toolchain (without parser) took 457005.17ms. Allocated memory was 557.8MB in the beginning and 1.5GB in the end (delta: 893.4MB). Free memory was 495.2MB in the beginning and 556.1MB in the end (delta: -60.8MB). Peak memory consumption was 833.1MB. Max. memory is 16.0GB. [2023-01-27 18:50:39,606 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 375.4MB. Free memory is still 324.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-01-27 18:50:39,607 INFO L158 Benchmark]: CACSL2BoogieTranslator took 2958.10ms. Allocated memory was 557.8MB in the beginning and 914.4MB in the end (delta: 356.5MB). Free memory was 494.9MB in the beginning and 772.2MB in the end (delta: -277.3MB). Peak memory consumption was 118.0MB. Max. memory is 16.0GB. [2023-01-27 18:50:39,609 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.47ms. Allocated memory is still 914.4MB. Free memory was 772.2MB in the beginning and 760.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. [2023-01-27 18:50:39,609 INFO L158 Benchmark]: Boogie Preprocessor took 40.08ms. Allocated memory is still 914.4MB. Free memory was 760.7MB in the beginning and 755.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-01-27 18:50:39,609 INFO L158 Benchmark]: RCFGBuilder took 846.93ms. Allocated memory is still 914.4MB. Free memory was 755.4MB in the beginning and 692.5MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.0GB. [2023-01-27 18:50:39,609 INFO L158 Benchmark]: TraceAbstraction took 453026.64ms. Allocated memory was 914.4MB in the beginning and 1.5GB in the end (delta: 536.9MB). Free memory was 692.5MB in the beginning and 556.1MB in the end (delta: 136.5MB). Peak memory consumption was 673.3MB. Max. memory is 16.0GB. [2023-01-27 18:50:39,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 375.4MB. Free memory is still 324.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 2958.10ms. Allocated memory was 557.8MB in the beginning and 914.4MB in the end (delta: 356.5MB). Free memory was 494.9MB in the beginning and 772.2MB in the end (delta: -277.3MB). Peak memory consumption was 118.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 129.47ms. Allocated memory is still 914.4MB. Free memory was 772.2MB in the beginning and 760.7MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.0GB. * Boogie Preprocessor took 40.08ms. Allocated memory is still 914.4MB. Free memory was 760.7MB in the beginning and 755.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 846.93ms. Allocated memory is still 914.4MB. Free memory was 755.4MB in the beginning and 692.5MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.0GB. * TraceAbstraction took 453026.64ms. Allocated memory was 914.4MB in the beginning and 1.5GB in the end (delta: 536.9MB). Free memory was 692.5MB in the beginning and 556.1MB in the end (delta: 136.5MB). Peak memory consumption was 673.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 451.9s, 637 PlacesBefore, 30 PlacesAfterwards, 672 TransitionsBefore, 42 TransitionsAfterwards, 3676 CoEnabledTransitionPairs, 10 FixpointIterations, 568 TrivialSequentialCompositions, 69 ConcurrentSequentialCompositions, 85 TrivialYvCompositions, 8 ConcurrentYvCompositions, 23 ChoiceCompositions, 753 TotalNumberOfCompositions, 2925 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2829, independent: 2814, independent conditional: 0, independent unconditional: 2814, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1944, independent: 1938, independent conditional: 0, independent unconditional: 1938, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2829, independent: 876, independent conditional: 0, independent unconditional: 876, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 1944, unknown conditional: 0, unknown unconditional: 1944] , Statistics on independence cache: Total cache size (in pairs): 13, Positive cache size: 12, Positive conditional cache size: 0, Positive unconditional cache size: 12, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 174]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 712 locations, 5 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 452.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 452.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 31 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 2 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-01-27 18:50:39,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...