./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7e42125d78d2e647b04483b10b743ce53945c41f6200d87cdd62381d378c13a7 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:05:08,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:05:08,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:05:08,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:05:08,846 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:05:08,849 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:05:08,851 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:05:08,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:05:08,859 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:05:08,864 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:05:08,865 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:05:08,866 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:05:08,867 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:05:08,868 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:05:08,869 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:05:08,870 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:05:08,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:05:08,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:05:08,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:05:08,876 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:05:08,879 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:05:08,883 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:05:08,883 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:05:08,884 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:05:08,886 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:05:08,886 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:05:08,887 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:05:08,888 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:05:08,889 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:05:08,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:05:08,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:05:08,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:05:08,892 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:05:08,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:05:08,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:05:08,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:05:08,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:05:08,895 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:05:08,895 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:05:08,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:05:08,896 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:05:08,897 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:05:08,925 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:05:08,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:05:08,926 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:05:08,927 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:05:08,927 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:05:08,928 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:05:08,928 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:05:08,928 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:05:08,928 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:05:08,929 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:05:08,929 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:05:08,930 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:05:08,931 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:05:08,931 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:05:08,931 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:05:08,931 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:05:08,931 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:05:08,931 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:05:08,931 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:05:08,932 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:05:08,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:05:08,932 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:05:08,932 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:05:08,932 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:05:08,933 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:05:08,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:05:08,933 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:05:08,933 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:05:08,933 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:05:08,933 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:05:08,934 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:05:08,934 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e42125d78d2e647b04483b10b743ce53945c41f6200d87cdd62381d378c13a7 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:05:09,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:05:09,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:05:09,209 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:05:09,210 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:05:09,210 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:05:09,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-08-29 17:05:10,201 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:05:10,603 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:05:10,604 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-08-29 17:05:10,653 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d242c291d/1f56ea5fd8ea410ebd9142e170b76bfc/FLAGfd5c372f5 [2023-08-29 17:05:10,670 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d242c291d/1f56ea5fd8ea410ebd9142e170b76bfc [2023-08-29 17:05:10,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:05:10,674 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:05:10,675 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:05:10,675 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:05:10,677 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:05:10,678 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:05:10" (1/1) ... [2023-08-29 17:05:10,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d05ddd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:10, skipping insertion in model container [2023-08-29 17:05:10,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:05:10" (1/1) ... [2023-08-29 17:05:10,683 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:05:10,787 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:05:11,031 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_change_pc8736x_gpio_set.i[5469,5482] [2023-08-29 17:05:13,686 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:05:14,036 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:05:14,037 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:05:14,083 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:05:14,097 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:05:14,114 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_change_pc8736x_gpio_set.i[5469,5482] [2023-08-29 17:05:14,394 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:05:14,490 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:05:14,491 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:05:14,504 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:05:15,009 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,010 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,010 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,010 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,010 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,010 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,010 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:05:15,015 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:05:15,015 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15 WrapperNode [2023-08-29 17:05:15,015 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:05:15,016 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:05:15,016 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:05:15,016 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:05:15,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,123 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,189 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 58, statements flattened = 1106 [2023-08-29 17:05:15,189 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:05:15,191 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:05:15,191 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:05:15,191 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:05:15,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,209 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,268 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,279 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:05:15,312 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:05:15,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:05:15,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:05:15,313 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (1/1) ... [2023-08-29 17:05:15,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:05:15,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:05:15,378 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) [2023-08-29 17:05:15,423 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 [2023-08-29 17:05:15,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 17:05:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-29 17:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:05:15,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:05:15,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:05:15,445 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:05:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:05:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 17:05:15,446 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 17:05:15,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:05:15,448 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:05:15,875 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:05:15,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:05:16,667 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:05:16,676 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:05:16,676 INFO L302 CfgBuilder]: Removed 31 assume(true) statements. [2023-08-29 17:05:16,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:05:16 BoogieIcfgContainer [2023-08-29 17:05:16,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:05:16,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:05:16,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:05:16,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:05:16,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:05:10" (1/3) ... [2023-08-29 17:05:16,683 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e287e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:05:16, skipping insertion in model container [2023-08-29 17:05:16,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:05:15" (2/3) ... [2023-08-29 17:05:16,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e287e49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:05:16, skipping insertion in model container [2023-08-29 17:05:16,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:05:16" (3/3) ... [2023-08-29 17:05:16,685 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_set.i [2023-08-29 17:05:16,690 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:05:16,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:05:16,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 96 error locations. [2023-08-29 17:05:16,697 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:05:16,803 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:05:16,835 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1213 places, 1271 transitions, 2558 flow [2023-08-29 17:05:17,099 INFO L130 PetriNetUnfolder]: 65/1269 cut-off events. [2023-08-29 17:05:17,100 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:05:17,111 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1278 conditions, 1269 events. 65/1269 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2477 event pairs, 0 based on Foata normal form. 0/1108 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 17:05:17,111 INFO L82 GeneralOperation]: Start removeDead. Operand has 1213 places, 1271 transitions, 2558 flow [2023-08-29 17:05:17,122 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1203 places, 1261 transitions, 2531 flow [2023-08-29 17:05:17,125 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:05:17,131 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1203 places, 1261 transitions, 2531 flow [2023-08-29 17:05:17,133 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1203 places, 1261 transitions, 2531 flow [2023-08-29 17:05:17,133 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1203 places, 1261 transitions, 2531 flow [2023-08-29 17:05:17,346 INFO L130 PetriNetUnfolder]: 65/1261 cut-off events. [2023-08-29 17:05:17,347 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:05:17,352 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1269 conditions, 1261 events. 65/1261 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2195 event pairs, 0 based on Foata normal form. 0/1100 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 17:05:17,374 INFO L119 LiptonReduction]: Number of co-enabled transitions 73800 [2023-08-29 17:06:33,639 WARN L222 SmtUtils]: Spent 13.00s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:46,739 WARN L222 SmtUtils]: Spent 13.10s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:06:54,710 WARN L222 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:07:02,783 WARN L222 SmtUtils]: Spent 8.07s on a formula simplification that was a NOOP. DAG size: 502 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:09:24,261 WARN L222 SmtUtils]: Spent 1.95m on a formula simplification. DAG size of input: 621 DAG size of output: 619 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:09:52,019 WARN L222 SmtUtils]: Spent 27.75s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:11:19,208 WARN L222 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 624 DAG size of output: 622 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:12:11,273 WARN L222 SmtUtils]: Spent 52.06s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:12:17,904 WARN L222 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 288 DAG size of output: 281 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:12:27,722 WARN L222 SmtUtils]: Spent 7.65s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:12:31,535 INFO L134 LiptonReduction]: Checked pairs total: 330004 [2023-08-29 17:12:31,535 INFO L136 LiptonReduction]: Total number of compositions: 1436 [2023-08-29 17:12:31,572 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:12:31,575 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=true, 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;@50010af0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:12:31,576 INFO L358 AbstractCegarLoop]: Starting to check reachability of 123 error locations. [2023-08-29 17:12:31,577 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:12:31,577 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:12:31,578 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:31,578 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:12:31,578 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:31,582 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:31,582 INFO L85 PathProgramCache]: Analyzing trace with hash 4587, now seen corresponding path program 1 times [2023-08-29 17:12:31,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:31,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078427450] [2023-08-29 17:12:31,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:31,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:31,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:31,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:31,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078427450] [2023-08-29 17:12:31,739 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078427450] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:31,739 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:31,739 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:12:31,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123510717] [2023-08-29 17:12:31,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:31,746 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:12:31,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:31,762 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:12:31,762 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:12:31,769 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2707 [2023-08-29 17:12:31,774 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 224 places, 244 transitions, 497 flow. Second operand has 2 states, 2 states have (on average 1227.5) internal successors, (2455), 2 states have internal predecessors, (2455), 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) [2023-08-29 17:12:31,775 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:31,775 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2707 [2023-08-29 17:12:31,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:32,298 INFO L130 PetriNetUnfolder]: 920/3278 cut-off events. [2023-08-29 17:12:32,299 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2023-08-29 17:12:32,303 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4947 conditions, 3278 events. 920/3278 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24091 event pairs, 909 based on Foata normal form. 66/3122 useless extension candidates. Maximal degree in co-relation 4606. Up to 1613 conditions per place. [2023-08-29 17:12:32,313 INFO L137 encePairwiseOnDemand]: 2624/2707 looper letters, 64 selfloop transitions, 0 changer transitions 0/160 dead transitions. [2023-08-29 17:12:32,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 160 transitions, 457 flow [2023-08-29 17:12:32,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:12:32,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:12:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2601 transitions. [2023-08-29 17:12:32,328 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48042113040265977 [2023-08-29 17:12:32,329 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2601 transitions. [2023-08-29 17:12:32,329 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2601 transitions. [2023-08-29 17:12:32,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:32,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2601 transitions. [2023-08-29 17:12:32,340 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1300.5) internal successors, (2601), 2 states have internal predecessors, (2601), 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) [2023-08-29 17:12:32,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2707.0) internal successors, (8121), 3 states have internal predecessors, (8121), 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) [2023-08-29 17:12:32,353 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2707.0) internal successors, (8121), 3 states have internal predecessors, (8121), 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) [2023-08-29 17:12:32,355 INFO L175 Difference]: Start difference. First operand has 224 places, 244 transitions, 497 flow. Second operand 2 states and 2601 transitions. [2023-08-29 17:12:32,356 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 157 places, 160 transitions, 457 flow [2023-08-29 17:12:32,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 160 transitions, 452 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:12:32,360 INFO L231 Difference]: Finished difference. Result has 154 places, 160 transitions, 324 flow [2023-08-29 17:12:32,361 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=324, PETRI_DIFFERENCE_MINUEND_PLACES=153, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=160, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=324, PETRI_PLACES=154, PETRI_TRANSITIONS=160} [2023-08-29 17:12:32,364 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -70 predicate places. [2023-08-29 17:12:32,364 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 160 transitions, 324 flow [2023-08-29 17:12:32,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1227.5) internal successors, (2455), 2 states have internal predecessors, (2455), 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) [2023-08-29 17:12:32,366 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:32,366 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:12:32,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:12:32,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:32,367 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:32,367 INFO L85 PathProgramCache]: Analyzing trace with hash 4624753, now seen corresponding path program 1 times [2023-08-29 17:12:32,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:32,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461208228] [2023-08-29 17:12:32,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:32,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:32,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:32,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:32,596 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461208228] [2023-08-29 17:12:32,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [461208228] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:32,596 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:32,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:32,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010381001] [2023-08-29 17:12:32,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:32,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:32,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:32,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:32,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:32,619 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1208 out of 2707 [2023-08-29 17:12:32,622 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 160 transitions, 324 flow. Second operand has 3 states, 3 states have (on average 1209.0) internal successors, (3627), 3 states have internal predecessors, (3627), 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) [2023-08-29 17:12:32,622 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:32,622 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1208 of 2707 [2023-08-29 17:12:32,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:33,141 INFO L130 PetriNetUnfolder]: 920/3276 cut-off events. [2023-08-29 17:12:33,141 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 17:12:33,146 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4924 conditions, 3276 events. 920/3276 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24061 event pairs, 909 based on Foata normal form. 0/3054 useless extension candidates. Maximal degree in co-relation 4921. Up to 1610 conditions per place. [2023-08-29 17:12:33,157 INFO L137 encePairwiseOnDemand]: 2702/2707 looper letters, 61 selfloop transitions, 3 changer transitions 0/158 dead transitions. [2023-08-29 17:12:33,158 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 158 transitions, 448 flow [2023-08-29 17:12:33,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:33,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3690 transitions. [2023-08-29 17:12:33,164 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4543775397118581 [2023-08-29 17:12:33,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3690 transitions. [2023-08-29 17:12:33,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3690 transitions. [2023-08-29 17:12:33,166 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:33,166 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3690 transitions. [2023-08-29 17:12:33,171 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1230.0) internal successors, (3690), 3 states have internal predecessors, (3690), 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) [2023-08-29 17:12:33,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:33,184 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:33,185 INFO L175 Difference]: Start difference. First operand has 154 places, 160 transitions, 324 flow. Second operand 3 states and 3690 transitions. [2023-08-29 17:12:33,185 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 158 transitions, 448 flow [2023-08-29 17:12:33,186 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 158 transitions, 448 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:12:33,188 INFO L231 Difference]: Finished difference. Result has 154 places, 158 transitions, 326 flow [2023-08-29 17:12:33,188 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=320, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=158, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=155, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=326, PETRI_PLACES=154, PETRI_TRANSITIONS=158} [2023-08-29 17:12:33,189 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -70 predicate places. [2023-08-29 17:12:33,189 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 158 transitions, 326 flow [2023-08-29 17:12:33,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1209.0) internal successors, (3627), 3 states have internal predecessors, (3627), 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) [2023-08-29 17:12:33,191 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:33,191 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:12:33,191 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:12:33,191 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:33,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:33,192 INFO L85 PathProgramCache]: Analyzing trace with hash 151705223, now seen corresponding path program 1 times [2023-08-29 17:12:33,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:33,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659018722] [2023-08-29 17:12:33,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:33,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:33,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:33,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:33,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659018722] [2023-08-29 17:12:33,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659018722] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:33,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:33,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:33,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1593534072] [2023-08-29 17:12:33,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:33,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:33,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:33,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:33,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:33,424 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1223 out of 2707 [2023-08-29 17:12:33,427 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 158 transitions, 326 flow. Second operand has 3 states, 3 states have (on average 1224.3333333333333) internal successors, (3673), 3 states have internal predecessors, (3673), 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) [2023-08-29 17:12:33,427 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:33,427 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1223 of 2707 [2023-08-29 17:12:33,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:33,865 INFO L130 PetriNetUnfolder]: 918/3273 cut-off events. [2023-08-29 17:12:33,866 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 17:12:33,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4921 conditions, 3273 events. 918/3273 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 24026 event pairs, 909 based on Foata normal form. 0/3054 useless extension candidates. Maximal degree in co-relation 4917. Up to 1609 conditions per place. [2023-08-29 17:12:33,881 INFO L137 encePairwiseOnDemand]: 2704/2707 looper letters, 60 selfloop transitions, 1 changer transitions 0/155 dead transitions. [2023-08-29 17:12:33,881 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 155 transitions, 440 flow [2023-08-29 17:12:33,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:33,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:33,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3732 transitions. [2023-08-29 17:12:33,888 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4595493165866273 [2023-08-29 17:12:33,888 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3732 transitions. [2023-08-29 17:12:33,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3732 transitions. [2023-08-29 17:12:33,889 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:33,889 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3732 transitions. [2023-08-29 17:12:33,894 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1244.0) internal successors, (3732), 3 states have internal predecessors, (3732), 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) [2023-08-29 17:12:33,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:33,905 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:33,905 INFO L175 Difference]: Start difference. First operand has 154 places, 158 transitions, 326 flow. Second operand 3 states and 3732 transitions. [2023-08-29 17:12:33,905 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 155 transitions, 440 flow [2023-08-29 17:12:33,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 154 places, 155 transitions, 438 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:12:33,907 INFO L231 Difference]: Finished difference. Result has 154 places, 155 transitions, 318 flow [2023-08-29 17:12:33,907 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=318, PETRI_PLACES=154, PETRI_TRANSITIONS=155} [2023-08-29 17:12:33,908 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -70 predicate places. [2023-08-29 17:12:33,908 INFO L495 AbstractCegarLoop]: Abstraction has has 154 places, 155 transitions, 318 flow [2023-08-29 17:12:33,910 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1224.3333333333333) internal successors, (3673), 3 states have internal predecessors, (3673), 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) [2023-08-29 17:12:33,910 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:33,910 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:12:33,910 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:12:33,910 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:33,910 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:33,910 INFO L85 PathProgramCache]: Analyzing trace with hash 421290585, now seen corresponding path program 1 times [2023-08-29 17:12:33,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:33,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861907680] [2023-08-29 17:12:33,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:34,026 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:34,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:34,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861907680] [2023-08-29 17:12:34,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861907680] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:34,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:34,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:34,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680159576] [2023-08-29 17:12:34,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:34,027 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:34,027 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:34,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:34,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:34,043 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1214 out of 2707 [2023-08-29 17:12:34,049 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 154 places, 155 transitions, 318 flow. Second operand has 3 states, 3 states have (on average 1216.0) internal successors, (3648), 3 states have internal predecessors, (3648), 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) [2023-08-29 17:12:34,049 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:34,049 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1214 of 2707 [2023-08-29 17:12:34,049 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:34,489 INFO L130 PetriNetUnfolder]: 1032/3617 cut-off events. [2023-08-29 17:12:34,489 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 17:12:34,495 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5464 conditions, 3617 events. 1032/3617 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 71. Compared 26698 event pairs, 1023 based on Foata normal form. 0/3386 useless extension candidates. Maximal degree in co-relation 5460. Up to 1803 conditions per place. [2023-08-29 17:12:34,505 INFO L137 encePairwiseOnDemand]: 2703/2707 looper letters, 62 selfloop transitions, 1 changer transitions 0/152 dead transitions. [2023-08-29 17:12:34,505 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 153 places, 152 transitions, 438 flow [2023-08-29 17:12:34,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:34,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3708 transitions. [2023-08-29 17:12:34,511 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45659401551533063 [2023-08-29 17:12:34,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3708 transitions. [2023-08-29 17:12:34,511 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3708 transitions. [2023-08-29 17:12:34,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:34,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3708 transitions. [2023-08-29 17:12:34,517 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1236.0) internal successors, (3708), 3 states have internal predecessors, (3708), 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) [2023-08-29 17:12:34,524 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:34,525 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:34,525 INFO L175 Difference]: Start difference. First operand has 154 places, 155 transitions, 318 flow. Second operand 3 states and 3708 transitions. [2023-08-29 17:12:34,525 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 153 places, 152 transitions, 438 flow [2023-08-29 17:12:34,526 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 152 transitions, 437 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:12:34,527 INFO L231 Difference]: Finished difference. Result has 152 places, 152 transitions, 313 flow [2023-08-29 17:12:34,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=311, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=152, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=152, PETRI_TRANSITIONS=152} [2023-08-29 17:12:34,528 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -72 predicate places. [2023-08-29 17:12:34,528 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 152 transitions, 313 flow [2023-08-29 17:12:34,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1216.0) internal successors, (3648), 3 states have internal predecessors, (3648), 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) [2023-08-29 17:12:34,528 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:34,529 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:34,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:12:34,529 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:34,529 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:34,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1705014330, now seen corresponding path program 1 times [2023-08-29 17:12:34,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:34,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424410824] [2023-08-29 17:12:34,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:34,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:34,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:34,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:34,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424410824] [2023-08-29 17:12:34,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424410824] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:34,624 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:34,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:34,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615504116] [2023-08-29 17:12:34,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:34,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:34,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:34,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:34,625 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:34,653 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1193 out of 2707 [2023-08-29 17:12:34,655 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 152 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 1195.6666666666667) internal successors, (3587), 3 states have internal predecessors, (3587), 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) [2023-08-29 17:12:34,655 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:34,655 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1193 of 2707 [2023-08-29 17:12:34,655 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:35,638 INFO L130 PetriNetUnfolder]: 1446/4200 cut-off events. [2023-08-29 17:12:35,638 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2023-08-29 17:12:35,644 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6766 conditions, 4200 events. 1446/4200 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 29505 event pairs, 660 based on Foata normal form. 0/4118 useless extension candidates. Maximal degree in co-relation 6762. Up to 2415 conditions per place. [2023-08-29 17:12:35,652 INFO L137 encePairwiseOnDemand]: 2696/2707 looper letters, 81 selfloop transitions, 3 changer transitions 0/159 dead transitions. [2023-08-29 17:12:35,652 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 159 transitions, 498 flow [2023-08-29 17:12:35,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:35,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:35,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3671 transitions. [2023-08-29 17:12:35,659 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4520379263637483 [2023-08-29 17:12:35,659 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3671 transitions. [2023-08-29 17:12:35,659 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3671 transitions. [2023-08-29 17:12:35,660 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:35,660 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3671 transitions. [2023-08-29 17:12:35,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1223.6666666666667) internal successors, (3671), 3 states have internal predecessors, (3671), 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) [2023-08-29 17:12:35,671 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:35,672 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:35,672 INFO L175 Difference]: Start difference. First operand has 152 places, 152 transitions, 313 flow. Second operand 3 states and 3671 transitions. [2023-08-29 17:12:35,672 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 159 transitions, 498 flow [2023-08-29 17:12:35,673 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 145 places, 159 transitions, 497 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:12:35,674 INFO L231 Difference]: Finished difference. Result has 146 places, 146 transitions, 313 flow [2023-08-29 17:12:35,675 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=296, PETRI_DIFFERENCE_MINUEND_PLACES=143, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=144, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=313, PETRI_PLACES=146, PETRI_TRANSITIONS=146} [2023-08-29 17:12:35,675 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -78 predicate places. [2023-08-29 17:12:35,675 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 146 transitions, 313 flow [2023-08-29 17:12:35,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1195.6666666666667) internal successors, (3587), 3 states have internal predecessors, (3587), 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) [2023-08-29 17:12:35,676 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:35,676 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:35,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:12:35,676 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:35,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:35,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1516923801, now seen corresponding path program 1 times [2023-08-29 17:12:35,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:35,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302551664] [2023-08-29 17:12:35,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:35,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:35,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:35,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:35,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302551664] [2023-08-29 17:12:35,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302551664] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:35,914 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:35,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:35,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122994415] [2023-08-29 17:12:35,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:35,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:35,915 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:35,915 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:35,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:36,150 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1204 out of 2707 [2023-08-29 17:12:36,153 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 146 transitions, 313 flow. Second operand has 3 states, 3 states have (on average 1207.6666666666667) internal successors, (3623), 3 states have internal predecessors, (3623), 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) [2023-08-29 17:12:36,153 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:36,153 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1204 of 2707 [2023-08-29 17:12:36,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:37,356 INFO L130 PetriNetUnfolder]: 1236/3942 cut-off events. [2023-08-29 17:12:37,356 INFO L131 PetriNetUnfolder]: For 82/82 co-relation queries the response was YES. [2023-08-29 17:12:37,363 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6306 conditions, 3942 events. 1236/3942 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 76. Compared 28794 event pairs, 414 based on Foata normal form. 0/3815 useless extension candidates. Maximal degree in co-relation 6302. Up to 1210 conditions per place. [2023-08-29 17:12:37,372 INFO L137 encePairwiseOnDemand]: 2699/2707 looper letters, 94 selfloop transitions, 6 changer transitions 0/179 dead transitions. [2023-08-29 17:12:37,372 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 179 transitions, 587 flow [2023-08-29 17:12:37,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:37,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:37,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3711 transitions. [2023-08-29 17:12:37,380 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4569634281492427 [2023-08-29 17:12:37,380 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3711 transitions. [2023-08-29 17:12:37,380 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3711 transitions. [2023-08-29 17:12:37,382 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:37,382 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3711 transitions. [2023-08-29 17:12:37,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1237.0) internal successors, (3711), 3 states have internal predecessors, (3711), 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) [2023-08-29 17:12:37,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:37,397 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:37,397 INFO L175 Difference]: Start difference. First operand has 146 places, 146 transitions, 313 flow. Second operand 3 states and 3711 transitions. [2023-08-29 17:12:37,397 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 148 places, 179 transitions, 587 flow [2023-08-29 17:12:37,399 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 148 places, 179 transitions, 587 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:12:37,401 INFO L231 Difference]: Finished difference. Result has 150 places, 151 transitions, 361 flow [2023-08-29 17:12:37,401 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=313, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=361, PETRI_PLACES=150, PETRI_TRANSITIONS=151} [2023-08-29 17:12:37,403 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -74 predicate places. [2023-08-29 17:12:37,403 INFO L495 AbstractCegarLoop]: Abstraction has has 150 places, 151 transitions, 361 flow [2023-08-29 17:12:37,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1207.6666666666667) internal successors, (3623), 3 states have internal predecessors, (3623), 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) [2023-08-29 17:12:37,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:37,404 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:37,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:12:37,405 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:37,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:37,405 INFO L85 PathProgramCache]: Analyzing trace with hash -100079613, now seen corresponding path program 1 times [2023-08-29 17:12:37,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:37,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430078118] [2023-08-29 17:12:37,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:37,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:37,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:38,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:38,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1430078118] [2023-08-29 17:12:38,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1430078118] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:38,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:38,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:12:38,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780653334] [2023-08-29 17:12:38,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:38,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:12:38,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:38,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:12:38,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:12:38,683 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1205 out of 2707 [2023-08-29 17:12:38,686 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 151 transitions, 361 flow. Second operand has 6 states, 6 states have (on average 1207.0) internal successors, (7242), 6 states have internal predecessors, (7242), 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) [2023-08-29 17:12:38,686 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:38,687 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1205 of 2707 [2023-08-29 17:12:38,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:40,152 INFO L130 PetriNetUnfolder]: 5765/12243 cut-off events. [2023-08-29 17:12:40,153 INFO L131 PetriNetUnfolder]: For 1469/1761 co-relation queries the response was YES. [2023-08-29 17:12:40,180 INFO L83 FinitePrefix]: Finished finitePrefix Result has 23218 conditions, 12243 events. 5765/12243 cut-off events. For 1469/1761 co-relation queries the response was YES. Maximal size of possible extension queue 261. Compared 100156 event pairs, 1750 based on Foata normal form. 127/11816 useless extension candidates. Maximal degree in co-relation 23212. Up to 4049 conditions per place. [2023-08-29 17:12:40,211 INFO L137 encePairwiseOnDemand]: 2699/2707 looper letters, 214 selfloop transitions, 21 changer transitions 0/313 dead transitions. [2023-08-29 17:12:40,212 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 313 transitions, 1292 flow [2023-08-29 17:12:40,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:12:40,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:12:40,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7436 transitions. [2023-08-29 17:12:40,224 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4578253909617042 [2023-08-29 17:12:40,225 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7436 transitions. [2023-08-29 17:12:40,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7436 transitions. [2023-08-29 17:12:40,227 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:40,227 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7436 transitions. [2023-08-29 17:12:40,235 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1239.3333333333333) internal successors, (7436), 6 states have internal predecessors, (7436), 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) [2023-08-29 17:12:40,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:12:40,250 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:12:40,250 INFO L175 Difference]: Start difference. First operand has 150 places, 151 transitions, 361 flow. Second operand 6 states and 7436 transitions. [2023-08-29 17:12:40,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 313 transitions, 1292 flow [2023-08-29 17:12:40,256 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 313 transitions, 1248 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 17:12:40,258 INFO L231 Difference]: Finished difference. Result has 158 places, 171 transitions, 523 flow [2023-08-29 17:12:40,258 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=349, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=523, PETRI_PLACES=158, PETRI_TRANSITIONS=171} [2023-08-29 17:12:40,259 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -66 predicate places. [2023-08-29 17:12:40,259 INFO L495 AbstractCegarLoop]: Abstraction has has 158 places, 171 transitions, 523 flow [2023-08-29 17:12:40,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1207.0) internal successors, (7242), 6 states have internal predecessors, (7242), 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) [2023-08-29 17:12:40,260 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:40,261 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:40,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:12:40,261 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:40,261 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:40,261 INFO L85 PathProgramCache]: Analyzing trace with hash -49902902, now seen corresponding path program 1 times [2023-08-29 17:12:40,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:40,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964943487] [2023-08-29 17:12:40,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:40,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:40,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:40,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964943487] [2023-08-29 17:12:40,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964943487] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:40,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:40,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:12:40,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131704164] [2023-08-29 17:12:40,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:40,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:12:40,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:40,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:12:40,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:12:41,494 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1186 out of 2707 [2023-08-29 17:12:41,497 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 158 places, 171 transitions, 523 flow. Second operand has 6 states, 6 states have (on average 1188.0) internal successors, (7128), 6 states have internal predecessors, (7128), 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) [2023-08-29 17:12:41,497 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:41,497 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1186 of 2707 [2023-08-29 17:12:41,497 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:43,117 INFO L130 PetriNetUnfolder]: 3772/10324 cut-off events. [2023-08-29 17:12:43,117 INFO L131 PetriNetUnfolder]: For 2161/2500 co-relation queries the response was YES. [2023-08-29 17:12:43,139 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19708 conditions, 10324 events. 3772/10324 cut-off events. For 2161/2500 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 92703 event pairs, 1096 based on Foata normal form. 68/9979 useless extension candidates. Maximal degree in co-relation 19698. Up to 3399 conditions per place. [2023-08-29 17:12:43,160 INFO L137 encePairwiseOnDemand]: 2681/2707 looper letters, 191 selfloop transitions, 50 changer transitions 0/309 dead transitions. [2023-08-29 17:12:43,160 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 309 transitions, 1453 flow [2023-08-29 17:12:43,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:12:43,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:12:43,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7319 transitions. [2023-08-29 17:12:43,170 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45062184460041865 [2023-08-29 17:12:43,170 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7319 transitions. [2023-08-29 17:12:43,170 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7319 transitions. [2023-08-29 17:12:43,173 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:43,173 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7319 transitions. [2023-08-29 17:12:43,182 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1219.8333333333333) internal successors, (7319), 6 states have internal predecessors, (7319), 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) [2023-08-29 17:12:43,193 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:12:43,196 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:12:43,196 INFO L175 Difference]: Start difference. First operand has 158 places, 171 transitions, 523 flow. Second operand 6 states and 7319 transitions. [2023-08-29 17:12:43,196 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 309 transitions, 1453 flow [2023-08-29 17:12:43,202 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 163 places, 309 transitions, 1453 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:12:43,204 INFO L231 Difference]: Finished difference. Result has 168 places, 215 transitions, 1017 flow [2023-08-29 17:12:43,204 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=158, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=171, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1017, PETRI_PLACES=168, PETRI_TRANSITIONS=215} [2023-08-29 17:12:43,206 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -56 predicate places. [2023-08-29 17:12:43,206 INFO L495 AbstractCegarLoop]: Abstraction has has 168 places, 215 transitions, 1017 flow [2023-08-29 17:12:43,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1188.0) internal successors, (7128), 6 states have internal predecessors, (7128), 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) [2023-08-29 17:12:43,208 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:43,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:43,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:12:43,210 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:43,210 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:43,210 INFO L85 PathProgramCache]: Analyzing trace with hash -731325450, now seen corresponding path program 1 times [2023-08-29 17:12:43,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:43,212 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549412904] [2023-08-29 17:12:43,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:43,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:43,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:43,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549412904] [2023-08-29 17:12:43,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549412904] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:43,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:43,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:12:43,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166666715] [2023-08-29 17:12:43,848 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:43,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:12:43,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:43,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:12:43,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:12:44,423 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1186 out of 2707 [2023-08-29 17:12:44,426 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 168 places, 215 transitions, 1017 flow. Second operand has 6 states, 6 states have (on average 1188.8333333333333) internal successors, (7133), 6 states have internal predecessors, (7133), 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) [2023-08-29 17:12:44,426 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:44,426 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1186 of 2707 [2023-08-29 17:12:44,426 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:46,262 INFO L130 PetriNetUnfolder]: 4444/12436 cut-off events. [2023-08-29 17:12:46,263 INFO L131 PetriNetUnfolder]: For 6341/6915 co-relation queries the response was YES. [2023-08-29 17:12:46,289 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25591 conditions, 12436 events. 4444/12436 cut-off events. For 6341/6915 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 118787 event pairs, 1094 based on Foata normal form. 90/12118 useless extension candidates. Maximal degree in co-relation 25576. Up to 3834 conditions per place. [2023-08-29 17:12:46,312 INFO L137 encePairwiseOnDemand]: 2681/2707 looper letters, 188 selfloop transitions, 70 changer transitions 0/341 dead transitions. [2023-08-29 17:12:46,312 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 173 places, 341 transitions, 2049 flow [2023-08-29 17:12:46,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:12:46,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:12:46,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7307 transitions. [2023-08-29 17:12:46,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4498830193325945 [2023-08-29 17:12:46,321 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7307 transitions. [2023-08-29 17:12:46,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7307 transitions. [2023-08-29 17:12:46,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:46,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7307 transitions. [2023-08-29 17:12:46,329 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1217.8333333333333) internal successors, (7307), 6 states have internal predecessors, (7307), 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) [2023-08-29 17:12:46,337 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:12:46,338 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:12:46,338 INFO L175 Difference]: Start difference. First operand has 168 places, 215 transitions, 1017 flow. Second operand 6 states and 7307 transitions. [2023-08-29 17:12:46,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 173 places, 341 transitions, 2049 flow [2023-08-29 17:12:46,346 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 173 places, 341 transitions, 2049 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:12:46,348 INFO L231 Difference]: Finished difference. Result has 178 places, 259 transitions, 1671 flow [2023-08-29 17:12:46,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=1017, PETRI_DIFFERENCE_MINUEND_PLACES=168, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=215, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1671, PETRI_PLACES=178, PETRI_TRANSITIONS=259} [2023-08-29 17:12:46,349 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -46 predicate places. [2023-08-29 17:12:46,349 INFO L495 AbstractCegarLoop]: Abstraction has has 178 places, 259 transitions, 1671 flow [2023-08-29 17:12:46,350 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1188.8333333333333) internal successors, (7133), 6 states have internal predecessors, (7133), 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) [2023-08-29 17:12:46,350 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:46,350 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:46,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:12:46,351 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:46,351 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash -635438716, now seen corresponding path program 1 times [2023-08-29 17:12:46,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:46,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676327070] [2023-08-29 17:12:46,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:46,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:46,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:46,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:46,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676327070] [2023-08-29 17:12:46,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676327070] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:46,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:46,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:46,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621197638] [2023-08-29 17:12:46,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:46,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:46,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:46,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:46,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:46,734 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1142 out of 2707 [2023-08-29 17:12:46,735 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 178 places, 259 transitions, 1671 flow. Second operand has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 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) [2023-08-29 17:12:46,735 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:46,735 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1142 of 2707 [2023-08-29 17:12:46,735 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:52,201 INFO L130 PetriNetUnfolder]: 25550/46484 cut-off events. [2023-08-29 17:12:52,202 INFO L131 PetriNetUnfolder]: For 47561/47958 co-relation queries the response was YES. [2023-08-29 17:12:52,344 INFO L83 FinitePrefix]: Finished finitePrefix Result has 129776 conditions, 46484 events. 25550/46484 cut-off events. For 47561/47958 co-relation queries the response was YES. Maximal size of possible extension queue 550. Compared 363452 event pairs, 19590 based on Foata normal form. 0/44890 useless extension candidates. Maximal degree in co-relation 129756. Up to 40878 conditions per place. [2023-08-29 17:12:52,460 INFO L137 encePairwiseOnDemand]: 2680/2707 looper letters, 205 selfloop transitions, 67 changer transitions 0/311 dead transitions. [2023-08-29 17:12:52,460 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 180 places, 311 transitions, 2437 flow [2023-08-29 17:12:52,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:52,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:52,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3578 transitions. [2023-08-29 17:12:52,465 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4405861347124738 [2023-08-29 17:12:52,465 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3578 transitions. [2023-08-29 17:12:52,466 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3578 transitions. [2023-08-29 17:12:52,466 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:52,466 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3578 transitions. [2023-08-29 17:12:52,469 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1192.6666666666667) internal successors, (3578), 3 states have internal predecessors, (3578), 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) [2023-08-29 17:12:52,474 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:52,474 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:52,474 INFO L175 Difference]: Start difference. First operand has 178 places, 259 transitions, 1671 flow. Second operand 3 states and 3578 transitions. [2023-08-29 17:12:52,474 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 180 places, 311 transitions, 2437 flow [2023-08-29 17:12:52,874 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 180 places, 311 transitions, 2437 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:12:52,877 INFO L231 Difference]: Finished difference. Result has 181 places, 291 transitions, 2096 flow [2023-08-29 17:12:52,878 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=1671, PETRI_DIFFERENCE_MINUEND_PLACES=178, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=259, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2096, PETRI_PLACES=181, PETRI_TRANSITIONS=291} [2023-08-29 17:12:52,879 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -43 predicate places. [2023-08-29 17:12:52,879 INFO L495 AbstractCegarLoop]: Abstraction has has 181 places, 291 transitions, 2096 flow [2023-08-29 17:12:52,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1153.3333333333333) internal successors, (3460), 3 states have internal predecessors, (3460), 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) [2023-08-29 17:12:52,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:52,879 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:52,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:12:52,880 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_setErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:52,880 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:52,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1880292366, now seen corresponding path program 1 times [2023-08-29 17:12:52,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:52,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580141619] [2023-08-29 17:12:52,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:52,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:53,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:53,091 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:53,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580141619] [2023-08-29 17:12:53,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580141619] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:53,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:53,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:12:53,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [472702773] [2023-08-29 17:12:53,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:53,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:12:53,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:53,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:12:53,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:12:53,298 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1207 out of 2707 [2023-08-29 17:12:53,300 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 291 transitions, 2096 flow. Second operand has 3 states, 3 states have (on average 1213.6666666666667) internal successors, (3641), 3 states have internal predecessors, (3641), 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) [2023-08-29 17:12:53,300 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:53,300 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1207 of 2707 [2023-08-29 17:12:53,300 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:12:55,094 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][302], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), 1278#true, Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1283#true, 1233#(= |#race~pc8736x_gpio_base~0| 0), 1242#true, Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 17:12:55,094 INFO L383 tUnfolder$Statistics]: this new event has 95 ancestors and is cut-off event [2023-08-29 17:12:55,094 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-08-29 17:12:55,094 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-08-29 17:12:55,094 INFO L386 tUnfolder$Statistics]: existing Event has 95 ancestors and is cut-off event [2023-08-29 17:12:55,195 INFO L130 PetriNetUnfolder]: 5234/14225 cut-off events. [2023-08-29 17:12:55,195 INFO L131 PetriNetUnfolder]: For 20094/22356 co-relation queries the response was YES. [2023-08-29 17:12:55,239 INFO L83 FinitePrefix]: Finished finitePrefix Result has 38030 conditions, 14225 events. 5234/14225 cut-off events. For 20094/22356 co-relation queries the response was YES. Maximal size of possible extension queue 321. Compared 131137 event pairs, 1857 based on Foata normal form. 803/14378 useless extension candidates. Maximal degree in co-relation 38008. Up to 4833 conditions per place. [2023-08-29 17:12:55,277 INFO L137 encePairwiseOnDemand]: 2703/2707 looper letters, 175 selfloop transitions, 17 changer transitions 0/335 dead transitions. [2023-08-29 17:12:55,277 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 183 places, 335 transitions, 2757 flow [2023-08-29 17:12:55,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:12:55,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:12:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3709 transitions. [2023-08-29 17:12:55,283 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45671715305996796 [2023-08-29 17:12:55,283 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3709 transitions. [2023-08-29 17:12:55,283 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3709 transitions. [2023-08-29 17:12:55,284 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:12:55,285 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3709 transitions. [2023-08-29 17:12:55,289 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1236.3333333333333) internal successors, (3709), 3 states have internal predecessors, (3709), 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) [2023-08-29 17:12:55,296 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:55,297 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:12:55,297 INFO L175 Difference]: Start difference. First operand has 181 places, 291 transitions, 2096 flow. Second operand 3 states and 3709 transitions. [2023-08-29 17:12:55,297 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 183 places, 335 transitions, 2757 flow [2023-08-29 17:12:55,400 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 182 places, 335 transitions, 2660 flow, removed 15 selfloop flow, removed 1 redundant places. [2023-08-29 17:12:55,403 INFO L231 Difference]: Finished difference. Result has 184 places, 307 transitions, 2285 flow [2023-08-29 17:12:55,403 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=1999, PETRI_DIFFERENCE_MINUEND_PLACES=180, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=291, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=274, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2285, PETRI_PLACES=184, PETRI_TRANSITIONS=307} [2023-08-29 17:12:55,404 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -40 predicate places. [2023-08-29 17:12:55,404 INFO L495 AbstractCegarLoop]: Abstraction has has 184 places, 307 transitions, 2285 flow [2023-08-29 17:12:55,404 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1213.6666666666667) internal successors, (3641), 3 states have internal predecessors, (3641), 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) [2023-08-29 17:12:55,404 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:12:55,405 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:12:55,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:12:55,405 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:12:55,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:12:55,405 INFO L85 PathProgramCache]: Analyzing trace with hash 593209329, now seen corresponding path program 1 times [2023-08-29 17:12:55,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:12:55,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529706147] [2023-08-29 17:12:55,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:12:55,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:12:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:12:58,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:12:58,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:12:58,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529706147] [2023-08-29 17:12:58,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [529706147] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:12:58,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:12:58,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:12:58,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772530299] [2023-08-29 17:12:58,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:12:58,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-29 17:12:58,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:12:58,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-29 17:12:58,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2023-08-29 17:12:59,040 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1129 out of 2707 [2023-08-29 17:12:59,044 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 184 places, 307 transitions, 2285 flow. Second operand has 7 states, 7 states have (on average 1134.4285714285713) internal successors, (7941), 7 states have internal predecessors, (7941), 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) [2023-08-29 17:12:59,044 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:12:59,045 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1129 of 2707 [2023-08-29 17:12:59,045 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:13:05,499 INFO L130 PetriNetUnfolder]: 25755/46806 cut-off events. [2023-08-29 17:13:05,499 INFO L131 PetriNetUnfolder]: For 70643/71171 co-relation queries the response was YES. [2023-08-29 17:13:05,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147964 conditions, 46806 events. 25755/46806 cut-off events. For 70643/71171 co-relation queries the response was YES. Maximal size of possible extension queue 556. Compared 364606 event pairs, 19532 based on Foata normal form. 16/45379 useless extension candidates. Maximal degree in co-relation 147941. Up to 40610 conditions per place. [2023-08-29 17:13:06,016 INFO L137 encePairwiseOnDemand]: 2681/2707 looper letters, 227 selfloop transitions, 100 changer transitions 0/366 dead transitions. [2023-08-29 17:13:06,016 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 188 places, 366 transitions, 3315 flow [2023-08-29 17:13:06,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:13:06,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:13:06,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5797 transitions. [2023-08-29 17:13:06,024 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4282970077576653 [2023-08-29 17:13:06,024 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5797 transitions. [2023-08-29 17:13:06,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5797 transitions. [2023-08-29 17:13:06,026 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:13:06,026 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5797 transitions. [2023-08-29 17:13:06,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1159.4) internal successors, (5797), 5 states have internal predecessors, (5797), 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) [2023-08-29 17:13:06,037 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2707.0) internal successors, (16242), 6 states have internal predecessors, (16242), 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) [2023-08-29 17:13:06,038 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2707.0) internal successors, (16242), 6 states have internal predecessors, (16242), 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) [2023-08-29 17:13:06,039 INFO L175 Difference]: Start difference. First operand has 184 places, 307 transitions, 2285 flow. Second operand 5 states and 5797 transitions. [2023-08-29 17:13:06,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 188 places, 366 transitions, 3315 flow [2023-08-29 17:13:06,305 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 366 transitions, 3271 flow, removed 5 selfloop flow, removed 2 redundant places. [2023-08-29 17:13:06,313 INFO L231 Difference]: Finished difference. Result has 187 places, 341 transitions, 2890 flow [2023-08-29 17:13:06,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2241, PETRI_DIFFERENCE_MINUEND_PLACES=182, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=307, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=66, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=207, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=2890, PETRI_PLACES=187, PETRI_TRANSITIONS=341} [2023-08-29 17:13:06,314 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2023-08-29 17:13:06,314 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 341 transitions, 2890 flow [2023-08-29 17:13:06,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 1134.4285714285713) internal successors, (7941), 7 states have internal predecessors, (7941), 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) [2023-08-29 17:13:06,315 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:13:06,315 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:13:06,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-08-29 17:13:06,316 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:13:06,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:13:06,316 INFO L85 PathProgramCache]: Analyzing trace with hash -1283428059, now seen corresponding path program 1 times [2023-08-29 17:13:06,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:13:06,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889965488] [2023-08-29 17:13:06,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:13:06,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:13:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:13:06,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:06,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:13:06,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889965488] [2023-08-29 17:13:06,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889965488] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:13:06,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:13:06,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:13:06,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124473435] [2023-08-29 17:13:06,795 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:13:06,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:13:06,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:13:06,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:13:06,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:13:06,836 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1219 out of 2707 [2023-08-29 17:13:06,849 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 341 transitions, 2890 flow. Second operand has 3 states, 3 states have (on average 1226.3333333333333) internal successors, (3679), 3 states have internal predecessors, (3679), 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) [2023-08-29 17:13:06,849 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:13:06,849 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1219 of 2707 [2023-08-29 17:13:06,849 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:13:08,980 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][308], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, 147#L7070-6true, Black: 1231#true, 1221#(= |#race~pdev~0| 0), 1293#(not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1298#true, Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), 1242#true, Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 17:13:08,980 INFO L383 tUnfolder$Statistics]: this new event has 96 ancestors and is cut-off event [2023-08-29 17:13:08,980 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-08-29 17:13:08,980 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-08-29 17:13:08,980 INFO L386 tUnfolder$Statistics]: existing Event has 96 ancestors and is cut-off event [2023-08-29 17:13:09,055 INFO L130 PetriNetUnfolder]: 5001/14118 cut-off events. [2023-08-29 17:13:09,055 INFO L131 PetriNetUnfolder]: For 27760/30913 co-relation queries the response was YES. [2023-08-29 17:13:09,097 INFO L83 FinitePrefix]: Finished finitePrefix Result has 42383 conditions, 14118 events. 5001/14118 cut-off events. For 27760/30913 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 132671 event pairs, 2300 based on Foata normal form. 915/14414 useless extension candidates. Maximal degree in co-relation 42359. Up to 6098 conditions per place. [2023-08-29 17:13:09,129 INFO L137 encePairwiseOnDemand]: 2703/2707 looper letters, 172 selfloop transitions, 2 changer transitions 0/342 dead transitions. [2023-08-29 17:13:09,129 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 342 transitions, 3240 flow [2023-08-29 17:13:09,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:13:09,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:13:09,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3721 transitions. [2023-08-29 17:13:09,134 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4581948035956163 [2023-08-29 17:13:09,134 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3721 transitions. [2023-08-29 17:13:09,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3721 transitions. [2023-08-29 17:13:09,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:13:09,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3721 transitions. [2023-08-29 17:13:09,138 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1240.3333333333333) internal successors, (3721), 3 states have internal predecessors, (3721), 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) [2023-08-29 17:13:09,142 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:13:09,143 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2707.0) internal successors, (10828), 4 states have internal predecessors, (10828), 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) [2023-08-29 17:13:09,143 INFO L175 Difference]: Start difference. First operand has 187 places, 341 transitions, 2890 flow. Second operand 3 states and 3721 transitions. [2023-08-29 17:13:09,143 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 189 places, 342 transitions, 3240 flow [2023-08-29 17:13:09,203 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 186 places, 342 transitions, 3093 flow, removed 22 selfloop flow, removed 3 redundant places. [2023-08-29 17:13:09,206 INFO L231 Difference]: Finished difference. Result has 187 places, 342 transitions, 2757 flow [2023-08-29 17:13:09,206 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2743, PETRI_DIFFERENCE_MINUEND_PLACES=184, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=341, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=339, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=2757, PETRI_PLACES=187, PETRI_TRANSITIONS=342} [2023-08-29 17:13:09,207 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -37 predicate places. [2023-08-29 17:13:09,207 INFO L495 AbstractCegarLoop]: Abstraction has has 187 places, 342 transitions, 2757 flow [2023-08-29 17:13:09,207 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1226.3333333333333) internal successors, (3679), 3 states have internal predecessors, (3679), 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) [2023-08-29 17:13:09,207 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:13:09,208 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:13:09,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-08-29 17:13:09,208 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:13:09,208 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:13:09,208 INFO L85 PathProgramCache]: Analyzing trace with hash 1912900303, now seen corresponding path program 1 times [2023-08-29 17:13:09,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:13:09,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183864270] [2023-08-29 17:13:09,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:13:09,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:13:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:13:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:09,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:13:09,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183864270] [2023-08-29 17:13:09,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183864270] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:13:09,534 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [835497614] [2023-08-29 17:13:09,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:13:09,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:13:09,534 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:13:09,536 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 17:13:09,537 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 17:13:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:13:10,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 1361 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-29 17:13:10,307 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:13:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:10,338 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 17:13:10,356 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:10,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [835497614] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 17:13:10,356 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 17:13:10,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 17:13:10,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702066283] [2023-08-29 17:13:10,356 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 17:13:10,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:13:10,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:13:10,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:13:10,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:13:10,440 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 17:13:10,442 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 187 places, 342 transitions, 2757 flow. Second operand has 8 states, 8 states have (on average 1218.625) internal successors, (9749), 8 states have internal predecessors, (9749), 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) [2023-08-29 17:13:10,442 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:13:10,442 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 17:13:10,442 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:13:12,242 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][313], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1300#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 0) (<= (div |ULTIMATE.start_external_alloc_~size#1| 4294967296) 0) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1303#true, 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1298#true, Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), 1242#true, Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 17:13:12,242 INFO L383 tUnfolder$Statistics]: this new event has 99 ancestors and is cut-off event [2023-08-29 17:13:12,242 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-08-29 17:13:12,242 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-08-29 17:13:12,242 INFO L386 tUnfolder$Statistics]: existing Event has 99 ancestors and is cut-off event [2023-08-29 17:13:12,343 INFO L130 PetriNetUnfolder]: 5003/14135 cut-off events. [2023-08-29 17:13:12,344 INFO L131 PetriNetUnfolder]: For 24767/27916 co-relation queries the response was YES. [2023-08-29 17:13:12,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41551 conditions, 14135 events. 5003/14135 cut-off events. For 24767/27916 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 132861 event pairs, 2302 based on Foata normal form. 911/14426 useless extension candidates. Maximal degree in co-relation 41526. Up to 6098 conditions per place. [2023-08-29 17:13:12,444 INFO L137 encePairwiseOnDemand]: 2700/2707 looper letters, 171 selfloop transitions, 8 changer transitions 0/347 dead transitions. [2023-08-29 17:13:12,444 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 347 transitions, 3131 flow [2023-08-29 17:13:12,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:13:12,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:13:12,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7365 transitions. [2023-08-29 17:13:12,454 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4534540081270779 [2023-08-29 17:13:12,454 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7365 transitions. [2023-08-29 17:13:12,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7365 transitions. [2023-08-29 17:13:12,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:13:12,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7365 transitions. [2023-08-29 17:13:12,463 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1227.5) internal successors, (7365), 6 states have internal predecessors, (7365), 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) [2023-08-29 17:13:12,471 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:13:12,473 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2707.0) internal successors, (18949), 7 states have internal predecessors, (18949), 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) [2023-08-29 17:13:12,473 INFO L175 Difference]: Start difference. First operand has 187 places, 342 transitions, 2757 flow. Second operand 6 states and 7365 transitions. [2023-08-29 17:13:12,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 192 places, 347 transitions, 3131 flow [2023-08-29 17:13:12,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 191 places, 347 transitions, 3127 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 17:13:12,534 INFO L231 Difference]: Finished difference. Result has 194 places, 347 transitions, 2815 flow [2023-08-29 17:13:12,534 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2753, PETRI_DIFFERENCE_MINUEND_PLACES=186, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=342, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2815, PETRI_PLACES=194, PETRI_TRANSITIONS=347} [2023-08-29 17:13:12,535 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -30 predicate places. [2023-08-29 17:13:12,535 INFO L495 AbstractCegarLoop]: Abstraction has has 194 places, 347 transitions, 2815 flow [2023-08-29 17:13:12,536 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1218.625) internal successors, (9749), 8 states have internal predecessors, (9749), 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) [2023-08-29 17:13:12,536 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:13:12,536 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:13:12,551 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 17:13:12,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-08-29 17:13:12,746 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:13:12,747 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:13:12,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1049242461, now seen corresponding path program 2 times [2023-08-29 17:13:12,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:13:12,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148560325] [2023-08-29 17:13:12,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:13:12,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:13:13,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:13:13,494 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:13,494 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:13:13,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148560325] [2023-08-29 17:13:13,494 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148560325] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:13:13,494 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1162079812] [2023-08-29 17:13:13,494 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 17:13:13,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:13:13,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:13:13,510 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) [2023-08-29 17:13:13,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 17:13:16,010 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-29 17:13:16,010 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 17:13:16,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-29 17:13:16,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:13:16,100 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:16,100 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 17:13:16,170 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:16,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1162079812] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 17:13:16,170 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 17:13:16,170 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 15 [2023-08-29 17:13:16,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459097002] [2023-08-29 17:13:16,171 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 17:13:16,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-08-29 17:13:16,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:13:16,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-08-29 17:13:16,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2023-08-29 17:13:16,669 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 17:13:16,674 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 194 places, 347 transitions, 2815 flow. Second operand has 16 states, 16 states have (on average 1217.3125) internal successors, (19477), 16 states have internal predecessors, (19477), 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) [2023-08-29 17:13:16,675 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:13:16,675 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 17:13:16,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:13:19,820 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][322], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), 1617#true, Black: 1612#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1314#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 1) (= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1606#(< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1300#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 0) (<= (div |ULTIMATE.start_external_alloc_~size#1| 4294967296) 0) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), 1303#true, 1266#true, Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1242#true, Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 17:13:19,821 INFO L383 tUnfolder$Statistics]: this new event has 105 ancestors and is cut-off event [2023-08-29 17:13:19,821 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-08-29 17:13:19,821 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-08-29 17:13:19,821 INFO L386 tUnfolder$Statistics]: existing Event has 105 ancestors and is cut-off event [2023-08-29 17:13:19,899 INFO L130 PetriNetUnfolder]: 5003/14144 cut-off events. [2023-08-29 17:13:19,899 INFO L131 PetriNetUnfolder]: For 24791/27940 co-relation queries the response was YES. [2023-08-29 17:13:19,945 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41608 conditions, 14144 events. 5003/14144 cut-off events. For 24791/27940 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 132975 event pairs, 2302 based on Foata normal form. 920/14446 useless extension candidates. Maximal degree in co-relation 41580. Up to 6098 conditions per place. [2023-08-29 17:13:19,976 INFO L137 encePairwiseOnDemand]: 2700/2707 looper letters, 171 selfloop transitions, 17 changer transitions 0/356 dead transitions. [2023-08-29 17:13:19,977 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 356 transitions, 3239 flow [2023-08-29 17:13:19,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 17:13:19,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 17:13:19,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 14671 transitions. [2023-08-29 17:13:19,986 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4516377293436769 [2023-08-29 17:13:19,986 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 14671 transitions. [2023-08-29 17:13:19,987 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 14671 transitions. [2023-08-29 17:13:19,989 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:13:19,989 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 14671 transitions. [2023-08-29 17:13:19,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 1222.5833333333333) internal successors, (14671), 12 states have internal predecessors, (14671), 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) [2023-08-29 17:13:20,011 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 2707.0) internal successors, (35191), 13 states have internal predecessors, (35191), 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) [2023-08-29 17:13:20,012 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 2707.0) internal successors, (35191), 13 states have internal predecessors, (35191), 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) [2023-08-29 17:13:20,013 INFO L175 Difference]: Start difference. First operand has 194 places, 347 transitions, 2815 flow. Second operand 12 states and 14671 transitions. [2023-08-29 17:13:20,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 356 transitions, 3239 flow [2023-08-29 17:13:20,056 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 356 transitions, 3229 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-29 17:13:20,060 INFO L231 Difference]: Finished difference. Result has 210 places, 356 transitions, 2943 flow [2023-08-29 17:13:20,060 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2805, PETRI_DIFFERENCE_MINUEND_PLACES=193, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=347, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=337, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=2943, PETRI_PLACES=210, PETRI_TRANSITIONS=356} [2023-08-29 17:13:20,060 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, -14 predicate places. [2023-08-29 17:13:20,061 INFO L495 AbstractCegarLoop]: Abstraction has has 210 places, 356 transitions, 2943 flow [2023-08-29 17:13:20,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 1217.3125) internal successors, (19477), 16 states have internal predecessors, (19477), 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) [2023-08-29 17:13:20,062 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:13:20,063 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:13:20,075 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-29 17:13:20,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-08-29 17:13:20,274 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:13:20,275 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:13:20,275 INFO L85 PathProgramCache]: Analyzing trace with hash -866858845, now seen corresponding path program 3 times [2023-08-29 17:13:20,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:13:20,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011227585] [2023-08-29 17:13:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:13:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:13:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:13:21,064 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:21,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:13:21,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011227585] [2023-08-29 17:13:21,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011227585] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:13:21,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1451708704] [2023-08-29 17:13:21,064 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 17:13:21,064 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:13:21,064 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:13:21,065 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) [2023-08-29 17:13:21,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 17:13:42,356 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-29 17:13:42,356 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 17:13:42,373 INFO L263 TraceCheckSpWp]: Trace formula consists of 1550 conjuncts, 38 conjunts are in the unsatisfiable core [2023-08-29 17:13:42,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:13:42,586 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:42,588 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 17:13:43,064 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:13:43,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1451708704] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 17:13:43,064 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 17:13:43,064 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 33 [2023-08-29 17:13:43,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [646908801] [2023-08-29 17:13:43,064 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 17:13:43,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-08-29 17:13:43,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:13:43,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-08-29 17:13:43,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=797, Unknown=0, NotChecked=0, Total=1122 [2023-08-29 17:13:48,074 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 17:13:48,086 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 356 transitions, 2943 flow. Second operand has 34 states, 34 states have (on average 1216.6176470588234) internal successors, (41365), 34 states have internal predecessors, (41365), 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) [2023-08-29 17:13:48,086 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:13:48,086 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 17:13:48,086 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:14:05,168 WARN L222 SmtUtils]: Spent 12.11s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 17:14:16,205 WARN L222 SmtUtils]: Spent 7.67s on a formula simplification. DAG size of input: 61 DAG size of output: 43 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 17:14:40,709 INFO L381 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([3570] L6854-->L6854-2: Formula: (= (store |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48| (store (select |v_#race_292| |v_~#pc8736x_gpio_shadow~0.base_48|) (+ |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93| |v_~#pc8736x_gpio_shadow~0.offset_48|) |v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|)) |v_#race_291|) InVars {#race=|v_#race_292|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} OutVars{#race=|v_#race_291|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1_19|, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1=|v_whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1_93|, ~#pc8736x_gpio_shadow~0.base=|v_~#pc8736x_gpio_shadow~0.base_48|, ~#pc8736x_gpio_shadow~0.offset=|v_~#pc8736x_gpio_shadow~0.offset_48|} AuxVars[] AssignedVars[#race, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_#t~nondet1353#1][340], [Black: 1280#(= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))), 247#L6854-2true, Black: 1285#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|)) 0), 1617#true, Black: 1612#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1314#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 1) (= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1606#(< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)), Black: 1294#(and (= |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_#t~nondet1353#1| (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| |~#pc8736x_gpio_shadow~0.offset|))) (not (= |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base| |~#pc8736x_gpio_shadow~0.base|))), 2375#(and (or (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296))) (or (< (mod (+ 9 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296))) (or (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod (+ 9 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (<= (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296)))), 902#whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACEtrue, Black: 1231#true, 147#L7070-6true, 1221#(= |#race~pdev~0| 0), Black: 1300#(and (= |ULTIMATE.start_external_alloc_~i~0#1| 0) (<= (div |ULTIMATE.start_external_alloc_~size#1| 4294967296) 0) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1238#(= (select (select |#race| |~#pc8736x_gpio_shadow~0.base|) (+ |~#pc8736x_gpio_shadow~0.offset| |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_current_~port~2#1|)) 0), 1225#(not (= |ULTIMATE.start_external_alloc_~p~0#1.base| 0)), Black: 1244#(= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0), Black: 1247#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 3 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0)), 1229#(= |#race~whoop_int~0| 0), Black: 1246#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ 2 |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|)) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1245#(and (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset|) 0) (= (select (select |#race| |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.base|) (+ |ULTIMATE.start_main_~#pthread_t_pc8736x_gpio_set~0#1.offset| 1)) 0)), Black: 1954#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 2 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 3 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1934#(< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)), 1303#true, Black: 1642#(and (<= |ULTIMATE.start_external_alloc_~size#1| 109) (= |ULTIMATE.start_external_alloc_~i~0#1| 4) (<= 109 |ULTIMATE.start_external_alloc_~size#1|)), Black: 1952#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 2 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 3 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), 1266#true, Black: 1958#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1956#(and (< (mod |ULTIMATE.start_external_alloc_~i~0#1| 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ 2 |ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296)) (< (mod (+ |ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) (mod |ULTIMATE.start_external_alloc_~size#1| 4294967296))), Black: 1259#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 3)) 0)), Black: 1257#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), 1216#true, Black: 1258#(and (= 0 (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 2))) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4) 1)) 0)), Black: 1256#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_setThread1of1ForFork0_pc8736x_gpio_set_~port~1#1| 4))) 0), 1233#(= |#race~pc8736x_gpio_base~0| 0), Black: 1269#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1242#true, Black: 1268#(= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0), Black: 1270#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), Black: 1271#(and (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 3 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4) 1)) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| 2 (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0) (= (select (select |#race| |~#port_offset~0.base|) (+ |~#port_offset~0.offset| (* |whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1_pc8736x_gpio_set_~port~1#1| 4))) 0)), 1254#true, whoop_wrapper_pc8736x_gpio_changeThread1of1ForFork1InUse]) [2023-08-29 17:14:40,710 INFO L383 tUnfolder$Statistics]: this new event has 117 ancestors and is cut-off event [2023-08-29 17:14:40,710 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-08-29 17:14:40,710 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-08-29 17:14:40,710 INFO L386 tUnfolder$Statistics]: existing Event has 117 ancestors and is cut-off event [2023-08-29 17:14:40,798 INFO L130 PetriNetUnfolder]: 5003/14162 cut-off events. [2023-08-29 17:14:40,798 INFO L131 PetriNetUnfolder]: For 25299/28448 co-relation queries the response was YES. [2023-08-29 17:14:40,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41739 conditions, 14162 events. 5003/14162 cut-off events. For 25299/28448 co-relation queries the response was YES. Maximal size of possible extension queue 317. Compared 133087 event pairs, 2302 based on Foata normal form. 929/14473 useless extension candidates. Maximal degree in co-relation 41704. Up to 6093 conditions per place. [2023-08-29 17:14:40,894 INFO L137 encePairwiseOnDemand]: 2700/2707 looper letters, 168 selfloop transitions, 38 changer transitions 0/374 dead transitions. [2023-08-29 17:14:40,894 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 234 places, 374 transitions, 3487 flow [2023-08-29 17:14:40,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-29 17:14:40,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-29 17:14:40,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30499 transitions. [2023-08-29 17:14:40,914 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.45066863686738085 [2023-08-29 17:14:40,914 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 30499 transitions. [2023-08-29 17:14:40,914 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 30499 transitions. [2023-08-29 17:14:40,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:14:40,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 30499 transitions. [2023-08-29 17:14:40,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 1219.96) internal successors, (30499), 25 states have internal predecessors, (30499), 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) [2023-08-29 17:14:40,967 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 2707.0) internal successors, (70382), 26 states have internal predecessors, (70382), 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) [2023-08-29 17:14:40,974 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 2707.0) internal successors, (70382), 26 states have internal predecessors, (70382), 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) [2023-08-29 17:14:40,975 INFO L175 Difference]: Start difference. First operand has 210 places, 356 transitions, 2943 flow. Second operand 25 states and 30499 transitions. [2023-08-29 17:14:40,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 234 places, 374 transitions, 3487 flow [2023-08-29 17:14:41,018 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 232 places, 374 transitions, 3411 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-29 17:14:41,022 INFO L231 Difference]: Finished difference. Result has 232 places, 374 transitions, 3079 flow [2023-08-29 17:14:41,022 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2707, PETRI_DIFFERENCE_MINUEND_FLOW=2903, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=356, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=334, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=3079, PETRI_PLACES=232, PETRI_TRANSITIONS=374} [2023-08-29 17:14:41,022 INFO L281 CegarLoopForPetriNet]: 224 programPoint places, 8 predicate places. [2023-08-29 17:14:41,023 INFO L495 AbstractCegarLoop]: Abstraction has has 232 places, 374 transitions, 3079 flow [2023-08-29 17:14:41,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 1216.6176470588234) internal successors, (41365), 34 states have internal predecessors, (41365), 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) [2023-08-29 17:14:41,026 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:14:41,026 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:14:41,044 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 17:14:41,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:14:41,243 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting whoop_wrapper_pc8736x_gpio_changeErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 120 more)] === [2023-08-29 17:14:41,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:14:41,244 INFO L85 PathProgramCache]: Analyzing trace with hash 1045450479, now seen corresponding path program 4 times [2023-08-29 17:14:41,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:14:41,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398586029] [2023-08-29 17:14:41,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:14:41,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:14:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:14:42,621 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:14:42,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:14:42,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398586029] [2023-08-29 17:14:42,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398586029] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:14:42,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390992339] [2023-08-29 17:14:42,622 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-29 17:14:42,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:14:42,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:14:42,630 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) [2023-08-29 17:14:42,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 17:14:46,049 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-29 17:14:46,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 17:14:46,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 1802 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-29 17:14:46,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:14:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:14:46,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 17:14:47,833 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:14:47,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390992339] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 17:14:47,833 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 17:14:47,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2023-08-29 17:14:47,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058687214] [2023-08-29 17:14:47,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 17:14:47,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2023-08-29 17:14:47,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:14:47,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2023-08-29 17:14:47,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1174, Invalid=3656, Unknown=0, NotChecked=0, Total=4830 [2023-08-29 17:14:56,523 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1215 out of 2707 [2023-08-29 17:14:56,561 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 232 places, 374 transitions, 3079 flow. Second operand has 70 states, 70 states have (on average 1216.3) internal successors, (85141), 70 states have internal predecessors, (85141), 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) [2023-08-29 17:14:56,561 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:14:56,561 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1215 of 2707 [2023-08-29 17:14:56,561 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:15:05,032 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 22) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 17:16:25,647 WARN L222 SmtUtils]: Spent 48.96s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 17:17:14,172 WARN L222 SmtUtils]: Spent 22.44s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 17:17:16,828 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 17:17:18,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:17:21,369 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:17:23,441 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:17:26,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:17:28,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:17:30,680 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:18:09,100 WARN L222 SmtUtils]: Spent 17.85s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 17:18:11,108 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 17:18:13,603 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:18:15,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 17:18:46,830 WARN L222 SmtUtils]: Spent 11.84s on a formula simplification that was a NOOP. DAG size: 59 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Killed by 15