./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --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_get_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 070c6009ff827451d8dab682a6835a3a11ca17731824d2cb72abd5ca38de17b6 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:43:44,684 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:43:44,687 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:43:44,732 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:43:44,734 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:43:44,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:43:44,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:43:44,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:43:44,744 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:43:44,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:43:44,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:43:44,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:43:44,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:43:44,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:43:44,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:43:44,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:43:44,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:43:44,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:43:44,767 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:43:44,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:43:44,773 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:43:44,774 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:43:44,775 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:43:44,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:43:44,782 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:43:44,782 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:43:44,782 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:43:44,784 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:43:44,785 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:43:44,785 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:43:44,786 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:43:44,792 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:43:44,793 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:43:44,794 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:43:44,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:43:44,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:43:44,795 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:43:44,796 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:43:44,796 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:43:44,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:43:44,797 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:43:44,799 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:43:44,834 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:43:44,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:43:44,835 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:43:44,836 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:43:44,837 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:43:44,837 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:43:44,837 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:43:44,837 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:43:44,838 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:43:44,838 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:43:44,839 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:43:44,839 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:43:44,839 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:43:44,839 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:43:44,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:43:44,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:43:44,840 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:43:44,840 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:43:44,840 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:43:44,841 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:43:44,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:43:44,841 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:43:44,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:43:44,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:43:44,841 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:43:44,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:43:44,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:43:44,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:43:44,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:43:44,842 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:43:44,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:43:44,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:43:44,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:43:44,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:43:44,844 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:43:44,844 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:43:44,844 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:43:44,844 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070c6009ff827451d8dab682a6835a3a11ca17731824d2cb72abd5ca38de17b6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:43:45,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:43:45,185 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:43:45,188 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:43:45,189 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:43:45,189 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:43:45,190 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-29 01:43:46,275 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:43:46,736 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:43:46,737 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-29 01:43:46,783 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0727033/b85bd24375544433b89f955fd46d6fe8/FLAG125cbf7c6 [2023-08-29 01:43:46,806 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa0727033/b85bd24375544433b89f955fd46d6fe8 [2023-08-29 01:43:46,808 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:43:46,810 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:43:46,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:43:46,813 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:43:46,816 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:43:46,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:43:46" (1/1) ... [2023-08-29 01:43:46,818 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@500c0fdd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:46, skipping insertion in model container [2023-08-29 01:43:46,818 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:43:46" (1/1) ... [2023-08-29 01:43:46,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:43:46,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:43:47,345 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_get_pc8736x_gpio_set.i[5469,5482] [2023-08-29 01:43:50,603 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:43:51,176 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:51,179 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:51,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:43:51,297 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:43:51,317 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_get_pc8736x_gpio_set.i[5469,5482] [2023-08-29 01:43:51,648 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:43:51,718 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:51,719 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:51,733 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:43:52,424 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,424 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,424 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,425 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,425 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,425 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,425 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:52,431 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:43:52,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52 WrapperNode [2023-08-29 01:43:52,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:43:52,433 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:43:52,433 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:43:52,433 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:43:52,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,630 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 981 [2023-08-29 01:43:52,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:43:52,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:43:52,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:43:52,632 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:43:52,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,653 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,731 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,736 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,747 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:43:52,748 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:43:52,748 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:43:52,748 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:43:52,749 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (1/1) ... [2023-08-29 01:43:52,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:43:52,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:43:52,791 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 01:43:52,818 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 01:43:52,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:43:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:43:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:43:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:43:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:43:52,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:43:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:43:52,835 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:43:52,836 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 01:43:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:43:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:43:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:43:52,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:43:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:43:52,837 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:43:52,837 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:43:52,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:43:52,840 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 01:43:53,362 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:43:53,364 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:43:54,344 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:43:54,356 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:43:54,356 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-29 01:43:54,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:43:54 BoogieIcfgContainer [2023-08-29 01:43:54,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:43:54,361 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:43:54,362 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:43:54,364 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:43:54,365 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:43:46" (1/3) ... [2023-08-29 01:43:54,365 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad75276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:43:54, skipping insertion in model container [2023-08-29 01:43:54,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:52" (2/3) ... [2023-08-29 01:43:54,366 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad75276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:43:54, skipping insertion in model container [2023-08-29 01:43:54,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:43:54" (3/3) ... [2023-08-29 01:43:54,367 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-29 01:43:54,374 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:43:54,383 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:43:54,384 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-08-29 01:43:54,384 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:43:54,548 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:43:54,600 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1080 places, 1126 transitions, 2268 flow [2023-08-29 01:43:54,908 INFO L130 PetriNetUnfolder]: 53/1124 cut-off events. [2023-08-29 01:43:54,908 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:43:54,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 1124 events. 53/1124 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1615 event pairs, 0 based on Foata normal form. 0/985 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:43:54,918 INFO L82 GeneralOperation]: Start removeDead. Operand has 1080 places, 1126 transitions, 2268 flow [2023-08-29 01:43:54,931 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1070 places, 1116 transitions, 2241 flow [2023-08-29 01:43:54,934 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:43:54,942 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1070 places, 1116 transitions, 2241 flow [2023-08-29 01:43:54,945 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1070 places, 1116 transitions, 2241 flow [2023-08-29 01:43:54,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1070 places, 1116 transitions, 2241 flow [2023-08-29 01:43:55,193 INFO L130 PetriNetUnfolder]: 53/1116 cut-off events. [2023-08-29 01:43:55,194 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:43:55,197 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1124 conditions, 1116 events. 53/1116 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 1545 event pairs, 0 based on Foata normal form. 0/977 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:43:55,210 INFO L119 LiptonReduction]: Number of co-enabled transitions 22470 [2023-08-29 01:45:12,127 WARN L222 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 462 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:45:57,931 WARN L222 SmtUtils]: Spent 24.67s on a formula simplification that was a NOOP. DAG size: 608 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:46:29,938 WARN L222 SmtUtils]: Spent 31.99s on a formula simplification that was a NOOP. DAG size: 543 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:47:27,956 WARN L222 SmtUtils]: Spent 58.02s on a formula simplification that was a NOOP. DAG size: 611 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:47:52,615 WARN L222 SmtUtils]: Spent 24.65s on a formula simplification that was a NOOP. DAG size: 546 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:49:56,180 WARN L222 SmtUtils]: Spent 2.03m on a formula simplification. DAG size of input: 591 DAG size of output: 589 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:50:23,320 WARN L222 SmtUtils]: Spent 27.13s 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 01:52:02,928 WARN L222 SmtUtils]: Spent 1.66m on a formula simplification. DAG size of input: 594 DAG size of output: 592 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:52:55,202 WARN L222 SmtUtils]: Spent 52.27s 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 01:53:17,898 WARN L222 SmtUtils]: Spent 6.98s on a formula simplification. DAG size of input: 314 DAG size of output: 308 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:53:21,589 INFO L134 LiptonReduction]: Checked pairs total: 101340 [2023-08-29 01:53:21,590 INFO L136 LiptonReduction]: Total number of compositions: 1318 [2023-08-29 01:53:21,603 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:53:21,607 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;@521f0710, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:53:21,608 INFO L358 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2023-08-29 01:53:21,610 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:53:21,610 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:21,610 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:21,611 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:53:21,611 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:21,615 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:21,616 INFO L85 PathProgramCache]: Analyzing trace with hash 3991, now seen corresponding path program 1 times [2023-08-29 01:53:21,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:21,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357626892] [2023-08-29 01:53:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:21,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:21,811 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 01:53:21,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:21,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357626892] [2023-08-29 01:53:21,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357626892] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:21,814 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:21,814 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:53:21,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806269662] [2023-08-29 01:53:21,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:21,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:53:21,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:21,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:53:21,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:53:21,856 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1090 out of 2444 [2023-08-29 01:53:21,861 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 176 places, 192 transitions, 393 flow. Second operand has 2 states, 2 states have (on average 1090.5) internal successors, (2181), 2 states have internal predecessors, (2181), 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 01:53:21,861 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:21,862 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1090 of 2444 [2023-08-29 01:53:21,863 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:22,296 INFO L130 PetriNetUnfolder]: 296/1142 cut-off events. [2023-08-29 01:53:22,298 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 01:53:22,302 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1732 conditions, 1142 events. 296/1142 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6582 event pairs, 285 based on Foata normal form. 0/1039 useless extension candidates. Maximal degree in co-relation 1592. Up to 547 conditions per place. [2023-08-29 01:53:22,307 INFO L137 encePairwiseOnDemand]: 2365/2444 looper letters, 51 selfloop transitions, 0 changer transitions 0/113 dead transitions. [2023-08-29 01:53:22,308 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 113 transitions, 337 flow [2023-08-29 01:53:22,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:53:22,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:53:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2310 transitions. [2023-08-29 01:53:22,333 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725859247135843 [2023-08-29 01:53:22,334 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2310 transitions. [2023-08-29 01:53:22,335 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2310 transitions. [2023-08-29 01:53:22,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:22,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2310 transitions. [2023-08-29 01:53:22,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1155.0) internal successors, (2310), 2 states have internal predecessors, (2310), 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 01:53:22,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2444.0) internal successors, (7332), 3 states have internal predecessors, (7332), 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 01:53:22,374 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2444.0) internal successors, (7332), 3 states have internal predecessors, (7332), 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 01:53:22,376 INFO L175 Difference]: Start difference. First operand has 176 places, 192 transitions, 393 flow. Second operand 2 states and 2310 transitions. [2023-08-29 01:53:22,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 113 transitions, 337 flow [2023-08-29 01:53:22,381 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 113 transitions, 332 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:53:22,384 INFO L231 Difference]: Finished difference. Result has 107 places, 113 transitions, 230 flow [2023-08-29 01:53:22,386 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=230, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=230, PETRI_PLACES=107, PETRI_TRANSITIONS=113} [2023-08-29 01:53:22,390 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -69 predicate places. [2023-08-29 01:53:22,390 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 113 transitions, 230 flow [2023-08-29 01:53:22,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1090.5) internal successors, (2181), 2 states have internal predecessors, (2181), 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 01:53:22,392 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:22,392 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:53:22,393 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:53:22,393 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:22,400 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:22,400 INFO L85 PathProgramCache]: Analyzing trace with hash 4028922, now seen corresponding path program 1 times [2023-08-29 01:53:22,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:22,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970982947] [2023-08-29 01:53:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:22,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:22,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:22,784 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 01:53:22,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:22,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970982947] [2023-08-29 01:53:22,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970982947] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:22,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:22,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:22,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934349221] [2023-08-29 01:53:22,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:22,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:22,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:22,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:22,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:22,818 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 2444 [2023-08-29 01:53:22,822 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 113 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 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 01:53:22,822 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:22,822 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 2444 [2023-08-29 01:53:22,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:23,544 INFO L130 PetriNetUnfolder]: 296/1140 cut-off events. [2023-08-29 01:53:23,544 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:23,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1722 conditions, 1140 events. 296/1140 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6580 event pairs, 285 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1719. Up to 544 conditions per place. [2023-08-29 01:53:23,551 INFO L137 encePairwiseOnDemand]: 2439/2444 looper letters, 48 selfloop transitions, 3 changer transitions 0/111 dead transitions. [2023-08-29 01:53:23,551 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 111 transitions, 328 flow [2023-08-29 01:53:23,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:23,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:23,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3266 transitions. [2023-08-29 01:53:23,560 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44544462629569015 [2023-08-29 01:53:23,560 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3266 transitions. [2023-08-29 01:53:23,560 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3266 transitions. [2023-08-29 01:53:23,562 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:23,562 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3266 transitions. [2023-08-29 01:53:23,568 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1088.6666666666667) internal successors, (3266), 3 states have internal predecessors, (3266), 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 01:53:23,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:23,586 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:23,586 INFO L175 Difference]: Start difference. First operand has 107 places, 113 transitions, 230 flow. Second operand 3 states and 3266 transitions. [2023-08-29 01:53:23,587 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 111 transitions, 328 flow [2023-08-29 01:53:23,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 111 transitions, 328 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:23,589 INFO L231 Difference]: Finished difference. Result has 107 places, 111 transitions, 232 flow [2023-08-29 01:53:23,590 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=232, PETRI_PLACES=107, PETRI_TRANSITIONS=111} [2023-08-29 01:53:23,590 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -69 predicate places. [2023-08-29 01:53:23,591 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 111 transitions, 232 flow [2023-08-29 01:53:23,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1072.0) internal successors, (3216), 3 states have internal predecessors, (3216), 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 01:53:23,593 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:23,593 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:53:23,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:53:23,594 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 100 more)] === [2023-08-29 01:53:23,594 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:23,594 INFO L85 PathProgramCache]: Analyzing trace with hash -422885857, now seen corresponding path program 1 times [2023-08-29 01:53:23,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:23,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044659083] [2023-08-29 01:53:23,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:23,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:23,865 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 01:53:23,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:23,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044659083] [2023-08-29 01:53:23,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044659083] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:23,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:23,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:23,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608981318] [2023-08-29 01:53:23,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:23,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:23,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:23,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:23,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:23,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1086 out of 2444 [2023-08-29 01:53:23,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 111 transitions, 232 flow. Second operand has 3 states, 3 states have (on average 1087.3333333333333) internal successors, (3262), 3 states have internal predecessors, (3262), 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 01:53:23,896 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:23,896 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1086 of 2444 [2023-08-29 01:53:23,896 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:24,483 INFO L130 PetriNetUnfolder]: 294/1137 cut-off events. [2023-08-29 01:53:24,484 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:24,486 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1719 conditions, 1137 events. 294/1137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 6582 event pairs, 285 based on Foata normal form. 0/1037 useless extension candidates. Maximal degree in co-relation 1715. Up to 543 conditions per place. [2023-08-29 01:53:24,490 INFO L137 encePairwiseOnDemand]: 2441/2444 looper letters, 47 selfloop transitions, 1 changer transitions 0/108 dead transitions. [2023-08-29 01:53:24,491 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 108 transitions, 320 flow [2023-08-29 01:53:24,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:24,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:24,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3308 transitions. [2023-08-29 01:53:24,499 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4511729405346427 [2023-08-29 01:53:24,499 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3308 transitions. [2023-08-29 01:53:24,499 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3308 transitions. [2023-08-29 01:53:24,501 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:24,501 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3308 transitions. [2023-08-29 01:53:24,507 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1102.6666666666667) internal successors, (3308), 3 states have internal predecessors, (3308), 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 01:53:24,521 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:24,524 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:24,524 INFO L175 Difference]: Start difference. First operand has 107 places, 111 transitions, 232 flow. Second operand 3 states and 3308 transitions. [2023-08-29 01:53:24,524 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 108 transitions, 320 flow [2023-08-29 01:53:24,525 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 108 transitions, 318 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:24,527 INFO L231 Difference]: Finished difference. Result has 107 places, 108 transitions, 224 flow [2023-08-29 01:53:24,527 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=224, PETRI_PLACES=107, PETRI_TRANSITIONS=108} [2023-08-29 01:53:24,528 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -69 predicate places. [2023-08-29 01:53:24,528 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 108 transitions, 224 flow [2023-08-29 01:53:24,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1087.3333333333333) internal successors, (3262), 3 states have internal predecessors, (3262), 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 01:53:24,530 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:24,530 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:53:24,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:53:24,530 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 100 more)] === [2023-08-29 01:53:24,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:24,531 INFO L85 PathProgramCache]: Analyzing trace with hash -161080642, now seen corresponding path program 1 times [2023-08-29 01:53:24,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:24,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331277896] [2023-08-29 01:53:24,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:24,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:24,669 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 01:53:24,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:24,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331277896] [2023-08-29 01:53:24,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331277896] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:24,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:24,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:24,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572352643] [2023-08-29 01:53:24,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:24,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:24,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:24,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:24,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:24,688 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1077 out of 2444 [2023-08-29 01:53:24,691 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 108 transitions, 224 flow. Second operand has 3 states, 3 states have (on average 1079.0) internal successors, (3237), 3 states have internal predecessors, (3237), 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 01:53:24,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:24,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1077 of 2444 [2023-08-29 01:53:24,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:25,203 INFO L130 PetriNetUnfolder]: 330/1229 cut-off events. [2023-08-29 01:53:25,203 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:25,206 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1880 conditions, 1229 events. 330/1229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7156 event pairs, 321 based on Foata normal form. 0/1126 useless extension candidates. Maximal degree in co-relation 1876. Up to 607 conditions per place. [2023-08-29 01:53:25,210 INFO L137 encePairwiseOnDemand]: 2440/2444 looper letters, 49 selfloop transitions, 1 changer transitions 0/105 dead transitions. [2023-08-29 01:53:25,211 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 105 transitions, 318 flow [2023-08-29 01:53:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:25,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3284 transitions. [2023-08-29 01:53:25,218 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44789961811238405 [2023-08-29 01:53:25,219 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3284 transitions. [2023-08-29 01:53:25,219 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3284 transitions. [2023-08-29 01:53:25,220 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:25,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3284 transitions. [2023-08-29 01:53:25,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1094.6666666666667) internal successors, (3284), 3 states have internal predecessors, (3284), 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 01:53:25,242 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:25,243 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:25,244 INFO L175 Difference]: Start difference. First operand has 107 places, 108 transitions, 224 flow. Second operand 3 states and 3284 transitions. [2023-08-29 01:53:25,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 105 transitions, 318 flow [2023-08-29 01:53:25,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 105 transitions, 317 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:25,246 INFO L231 Difference]: Finished difference. Result has 105 places, 105 transitions, 219 flow [2023-08-29 01:53:25,246 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=217, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=219, PETRI_PLACES=105, PETRI_TRANSITIONS=105} [2023-08-29 01:53:25,249 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -71 predicate places. [2023-08-29 01:53:25,249 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 105 transitions, 219 flow [2023-08-29 01:53:25,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1079.0) internal successors, (3237), 3 states have internal predecessors, (3237), 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 01:53:25,250 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:25,250 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:25,250 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:53:25,251 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 100 more)] === [2023-08-29 01:53:25,251 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash -789128667, now seen corresponding path program 1 times [2023-08-29 01:53:25,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:25,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163441960] [2023-08-29 01:53:25,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:25,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:25,451 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 01:53:25,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:25,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163441960] [2023-08-29 01:53:25,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163441960] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:25,455 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:25,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:25,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743615589] [2023-08-29 01:53:25,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:25,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:25,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:25,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:25,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:25,488 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 2444 [2023-08-29 01:53:25,491 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 105 transitions, 219 flow. Second operand has 3 states, 3 states have (on average 1067.6666666666667) internal successors, (3203), 3 states have internal predecessors, (3203), 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 01:53:25,491 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:25,491 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 2444 [2023-08-29 01:53:25,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:26,032 INFO L130 PetriNetUnfolder]: 459/1380 cut-off events. [2023-08-29 01:53:26,033 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:53:26,035 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2269 conditions, 1380 events. 459/1380 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7638 event pairs, 176 based on Foata normal form. 0/1329 useless extension candidates. Maximal degree in co-relation 2265. Up to 777 conditions per place. [2023-08-29 01:53:26,041 INFO L137 encePairwiseOnDemand]: 2436/2444 looper letters, 62 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2023-08-29 01:53:26,041 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 112 transitions, 366 flow [2023-08-29 01:53:26,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:26,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:26,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3265 transitions. [2023-08-29 01:53:26,048 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44530823786142937 [2023-08-29 01:53:26,048 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3265 transitions. [2023-08-29 01:53:26,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3265 transitions. [2023-08-29 01:53:26,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:26,050 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3265 transitions. [2023-08-29 01:53:26,056 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1088.3333333333333) internal successors, (3265), 3 states have internal predecessors, (3265), 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 01:53:26,066 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:26,068 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:26,068 INFO L175 Difference]: Start difference. First operand has 105 places, 105 transitions, 219 flow. Second operand 3 states and 3265 transitions. [2023-08-29 01:53:26,068 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 112 transitions, 366 flow [2023-08-29 01:53:26,070 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 112 transitions, 365 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:26,072 INFO L231 Difference]: Finished difference. Result has 102 places, 102 transitions, 225 flow [2023-08-29 01:53:26,073 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=100, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=225, PETRI_PLACES=102, PETRI_TRANSITIONS=102} [2023-08-29 01:53:26,075 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -74 predicate places. [2023-08-29 01:53:26,075 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 102 transitions, 225 flow [2023-08-29 01:53:26,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1067.6666666666667) internal successors, (3203), 3 states have internal predecessors, (3203), 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 01:53:26,076 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:26,076 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:26,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:53:26,076 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:26,077 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:26,077 INFO L85 PathProgramCache]: Analyzing trace with hash 799500704, now seen corresponding path program 1 times [2023-08-29 01:53:26,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:26,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049188791] [2023-08-29 01:53:26,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:26,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:27,053 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 01:53:27,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:27,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049188791] [2023-08-29 01:53:27,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049188791] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:27,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:27,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:53:27,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873371772] [2023-08-29 01:53:27,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:27,054 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:27,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:27,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:27,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:53:27,721 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 2444 [2023-08-29 01:53:27,726 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 102 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 1071.0) internal successors, (6426), 6 states have internal predecessors, (6426), 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 01:53:27,726 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:27,726 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 2444 [2023-08-29 01:53:27,726 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:28,846 INFO L130 PetriNetUnfolder]: 1421/3002 cut-off events. [2023-08-29 01:53:28,846 INFO L131 PetriNetUnfolder]: For 204/204 co-relation queries the response was YES. [2023-08-29 01:53:28,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5660 conditions, 3002 events. 1421/3002 cut-off events. For 204/204 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 18958 event pairs, 401 based on Foata normal form. 0/2870 useless extension candidates. Maximal degree in co-relation 5656. Up to 868 conditions per place. [2023-08-29 01:53:28,862 INFO L137 encePairwiseOnDemand]: 2437/2444 looper letters, 141 selfloop transitions, 9 changer transitions 0/196 dead transitions. [2023-08-29 01:53:28,862 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 196 transitions, 754 flow [2023-08-29 01:53:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:53:28,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:53:28,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6555 transitions. [2023-08-29 01:53:28,876 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.447013093289689 [2023-08-29 01:53:28,876 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6555 transitions. [2023-08-29 01:53:28,876 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6555 transitions. [2023-08-29 01:53:28,879 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:28,880 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6555 transitions. [2023-08-29 01:53:28,889 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1092.5) internal successors, (6555), 6 states have internal predecessors, (6555), 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 01:53:28,908 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2444.0) internal successors, (17108), 7 states have internal predecessors, (17108), 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 01:53:28,912 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2444.0) internal successors, (17108), 7 states have internal predecessors, (17108), 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 01:53:28,912 INFO L175 Difference]: Start difference. First operand has 102 places, 102 transitions, 225 flow. Second operand 6 states and 6555 transitions. [2023-08-29 01:53:28,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 196 transitions, 754 flow [2023-08-29 01:53:28,913 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 196 transitions, 754 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:28,915 INFO L231 Difference]: Finished difference. Result has 112 places, 110 transitions, 289 flow [2023-08-29 01:53:28,916 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=225, PETRI_DIFFERENCE_MINUEND_PLACES=102, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=289, PETRI_PLACES=112, PETRI_TRANSITIONS=110} [2023-08-29 01:53:28,918 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -64 predicate places. [2023-08-29 01:53:28,918 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 110 transitions, 289 flow [2023-08-29 01:53:28,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1071.0) internal successors, (6426), 6 states have internal predecessors, (6426), 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 01:53:28,920 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:28,920 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:28,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:53:28,920 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:28,921 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:28,921 INFO L85 PathProgramCache]: Analyzing trace with hash 226733193, now seen corresponding path program 1 times [2023-08-29 01:53:28,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:28,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130234173] [2023-08-29 01:53:28,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:28,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:29,789 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 01:53:29,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:29,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130234173] [2023-08-29 01:53:29,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130234173] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:29,790 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:29,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:53:29,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878218599] [2023-08-29 01:53:29,791 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:29,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:29,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:29,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:29,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:53:30,477 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1050 out of 2444 [2023-08-29 01:53:30,482 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 110 transitions, 289 flow. Second operand has 6 states, 6 states have (on average 1052.0) internal successors, (6312), 6 states have internal predecessors, (6312), 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 01:53:30,482 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:30,482 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1050 of 2444 [2023-08-29 01:53:30,482 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:31,788 INFO L130 PetriNetUnfolder]: 712/1828 cut-off events. [2023-08-29 01:53:31,788 INFO L131 PetriNetUnfolder]: For 141/167 co-relation queries the response was YES. [2023-08-29 01:53:31,793 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3515 conditions, 1828 events. 712/1828 cut-off events. For 141/167 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 10550 event pairs, 222 based on Foata normal form. 0/1756 useless extension candidates. Maximal degree in co-relation 3506. Up to 704 conditions per place. [2023-08-29 01:53:31,801 INFO L137 encePairwiseOnDemand]: 2435/2444 looper letters, 93 selfloop transitions, 9 changer transitions 0/138 dead transitions. [2023-08-29 01:53:31,801 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 138 transitions, 565 flow [2023-08-29 01:53:31,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:53:31,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:53:31,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6400 transitions. [2023-08-29 01:53:31,848 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.436442989634479 [2023-08-29 01:53:31,848 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6400 transitions. [2023-08-29 01:53:31,848 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6400 transitions. [2023-08-29 01:53:31,852 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:31,852 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6400 transitions. [2023-08-29 01:53:31,861 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1066.6666666666667) internal successors, (6400), 6 states have internal predecessors, (6400), 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 01:53:31,875 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2444.0) internal successors, (17108), 7 states have internal predecessors, (17108), 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 01:53:31,879 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2444.0) internal successors, (17108), 7 states have internal predecessors, (17108), 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 01:53:31,879 INFO L175 Difference]: Start difference. First operand has 112 places, 110 transitions, 289 flow. Second operand 6 states and 6400 transitions. [2023-08-29 01:53:31,880 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 138 transitions, 565 flow [2023-08-29 01:53:31,882 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 138 transitions, 565 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:31,883 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 299 flow [2023-08-29 01:53:31,884 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=299, PETRI_PLACES=113, PETRI_TRANSITIONS=106} [2023-08-29 01:53:31,884 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -63 predicate places. [2023-08-29 01:53:31,885 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 299 flow [2023-08-29 01:53:31,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1052.0) internal successors, (6312), 6 states have internal predecessors, (6312), 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 01:53:31,886 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:31,886 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:31,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:53:31,887 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_getErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:31,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:31,887 INFO L85 PathProgramCache]: Analyzing trace with hash -875982475, now seen corresponding path program 1 times [2023-08-29 01:53:31,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:31,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447009283] [2023-08-29 01:53:31,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:31,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:32,753 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 01:53:32,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:32,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447009283] [2023-08-29 01:53:32,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447009283] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:32,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:32,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:53:32,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705640131] [2023-08-29 01:53:32,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:32,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:32,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:32,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:32,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:53:33,467 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 2444 [2023-08-29 01:53:33,470 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 113 places, 106 transitions, 299 flow. Second operand has 6 states, 6 states have (on average 1070.3333333333333) internal successors, (6422), 6 states have internal predecessors, (6422), 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 01:53:33,471 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:33,471 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 2444 [2023-08-29 01:53:33,471 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:34,719 INFO L130 PetriNetUnfolder]: 834/2331 cut-off events. [2023-08-29 01:53:34,720 INFO L131 PetriNetUnfolder]: For 415/469 co-relation queries the response was YES. [2023-08-29 01:53:34,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4469 conditions, 2331 events. 834/2331 cut-off events. For 415/469 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 15883 event pairs, 297 based on Foata normal form. 2/2188 useless extension candidates. Maximal degree in co-relation 4459. Up to 873 conditions per place. [2023-08-29 01:53:34,736 INFO L137 encePairwiseOnDemand]: 2437/2444 looper letters, 127 selfloop transitions, 25 changer transitions 0/199 dead transitions. [2023-08-29 01:53:34,736 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 199 transitions, 913 flow [2023-08-29 01:53:34,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:53:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:53:34,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6539 transitions. [2023-08-29 01:53:34,749 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44592198581560283 [2023-08-29 01:53:34,749 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6539 transitions. [2023-08-29 01:53:34,749 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6539 transitions. [2023-08-29 01:53:34,753 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:34,753 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6539 transitions. [2023-08-29 01:53:34,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1089.8333333333333) internal successors, (6539), 6 states have internal predecessors, (6539), 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 01:53:34,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2444.0) internal successors, (17108), 7 states have internal predecessors, (17108), 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 01:53:34,787 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2444.0) internal successors, (17108), 7 states have internal predecessors, (17108), 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 01:53:34,787 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 299 flow. Second operand 6 states and 6539 transitions. [2023-08-29 01:53:34,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 199 transitions, 913 flow [2023-08-29 01:53:34,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 113 places, 199 transitions, 855 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:53:34,863 INFO L231 Difference]: Finished difference. Result has 118 places, 130 transitions, 521 flow [2023-08-29 01:53:34,863 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=281, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=96, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=521, PETRI_PLACES=118, PETRI_TRANSITIONS=130} [2023-08-29 01:53:34,863 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -58 predicate places. [2023-08-29 01:53:34,864 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 130 transitions, 521 flow [2023-08-29 01:53:34,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1070.3333333333333) internal successors, (6422), 6 states have internal predecessors, (6422), 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 01:53:34,866 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:34,866 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 01:53:34,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:53:34,868 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:34,869 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:34,869 INFO L85 PathProgramCache]: Analyzing trace with hash -314137402, now seen corresponding path program 1 times [2023-08-29 01:53:34,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:34,870 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247108450] [2023-08-29 01:53:34,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:34,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:35,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:35,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:35,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247108450] [2023-08-29 01:53:35,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247108450] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:35,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:35,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:35,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [443428333] [2023-08-29 01:53:35,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:35,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:35,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:35,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:35,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:35,413 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1021 out of 2444 [2023-08-29 01:53:35,416 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 130 transitions, 521 flow. Second operand has 3 states, 3 states have (on average 1032.3333333333333) internal successors, (3097), 3 states have internal predecessors, (3097), 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 01:53:35,416 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:35,416 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1021 of 2444 [2023-08-29 01:53:35,416 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:36,934 INFO L130 PetriNetUnfolder]: 5170/9251 cut-off events. [2023-08-29 01:53:36,934 INFO L131 PetriNetUnfolder]: For 8466/8523 co-relation queries the response was YES. [2023-08-29 01:53:36,975 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24982 conditions, 9251 events. 5170/9251 cut-off events. For 8466/8523 co-relation queries the response was YES. Maximal size of possible extension queue 192. Compared 54812 event pairs, 3886 based on Foata normal form. 0/9027 useless extension candidates. Maximal degree in co-relation 24968. Up to 7976 conditions per place. [2023-08-29 01:53:37,014 INFO L137 encePairwiseOnDemand]: 2432/2444 looper letters, 95 selfloop transitions, 41 changer transitions 0/155 dead transitions. [2023-08-29 01:53:37,014 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 155 transitions, 897 flow [2023-08-29 01:53:37,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:37,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3160 transitions. [2023-08-29 01:53:37,022 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.430987452264048 [2023-08-29 01:53:37,022 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3160 transitions. [2023-08-29 01:53:37,023 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3160 transitions. [2023-08-29 01:53:37,024 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:37,024 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3160 transitions. [2023-08-29 01:53:37,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1053.3333333333333) internal successors, (3160), 3 states have internal predecessors, (3160), 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 01:53:37,036 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:37,038 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:37,038 INFO L175 Difference]: Start difference. First operand has 118 places, 130 transitions, 521 flow. Second operand 3 states and 3160 transitions. [2023-08-29 01:53:37,039 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 155 transitions, 897 flow [2023-08-29 01:53:37,154 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 155 transitions, 897 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:53:37,157 INFO L231 Difference]: Finished difference. Result has 122 places, 146 transitions, 795 flow [2023-08-29 01:53:37,158 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=118, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=795, PETRI_PLACES=122, PETRI_TRANSITIONS=146} [2023-08-29 01:53:37,159 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -54 predicate places. [2023-08-29 01:53:37,159 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 146 transitions, 795 flow [2023-08-29 01:53:37,160 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1032.3333333333333) internal successors, (3097), 3 states have internal predecessors, (3097), 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 01:53:37,160 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:37,161 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 01:53:37,161 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:53:37,161 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_setErr11ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:37,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:37,161 INFO L85 PathProgramCache]: Analyzing trace with hash 269290760, now seen corresponding path program 1 times [2023-08-29 01:53:37,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:37,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683826273] [2023-08-29 01:53:37,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:37,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:37,461 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 01:53:37,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:37,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683826273] [2023-08-29 01:53:37,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683826273] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:37,462 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:37,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:37,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467112405] [2023-08-29 01:53:37,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:37,463 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:37,463 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:37,464 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:37,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:37,654 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 2444 [2023-08-29 01:53:37,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 146 transitions, 795 flow. Second operand has 3 states, 3 states have (on average 1077.6666666666667) internal successors, (3233), 3 states have internal predecessors, (3233), 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 01:53:37,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:37,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 2444 [2023-08-29 01:53:37,657 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:38,493 INFO L130 PetriNetUnfolder]: 1597/3831 cut-off events. [2023-08-29 01:53:38,493 INFO L131 PetriNetUnfolder]: For 4063/5351 co-relation queries the response was YES. [2023-08-29 01:53:38,507 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10585 conditions, 3831 events. 1597/3831 cut-off events. For 4063/5351 co-relation queries the response was YES. Maximal size of possible extension queue 154. Compared 26571 event pairs, 613 based on Foata normal form. 27/3720 useless extension candidates. Maximal degree in co-relation 10569. Up to 1570 conditions per place. [2023-08-29 01:53:38,521 INFO L137 encePairwiseOnDemand]: 2442/2444 looper letters, 85 selfloop transitions, 1 changer transitions 0/154 dead transitions. [2023-08-29 01:53:38,521 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 154 transitions, 993 flow [2023-08-29 01:53:38,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:38,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:38,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3271 transitions. [2023-08-29 01:53:38,528 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.446126568466994 [2023-08-29 01:53:38,528 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3271 transitions. [2023-08-29 01:53:38,528 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3271 transitions. [2023-08-29 01:53:38,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:38,529 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3271 transitions. [2023-08-29 01:53:38,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1090.3333333333333) internal successors, (3271), 3 states have internal predecessors, (3271), 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 01:53:38,542 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:38,544 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:38,544 INFO L175 Difference]: Start difference. First operand has 122 places, 146 transitions, 795 flow. Second operand 3 states and 3271 transitions. [2023-08-29 01:53:38,544 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 154 transitions, 993 flow [2023-08-29 01:53:38,569 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 154 transitions, 911 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:53:38,571 INFO L231 Difference]: Finished difference. Result has 121 places, 145 transitions, 713 flow [2023-08-29 01:53:38,572 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=711, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=144, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=713, PETRI_PLACES=121, PETRI_TRANSITIONS=145} [2023-08-29 01:53:38,572 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -55 predicate places. [2023-08-29 01:53:38,572 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 145 transitions, 713 flow [2023-08-29 01:53:38,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1077.6666666666667) internal successors, (3233), 3 states have internal predecessors, (3233), 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 01:53:38,574 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:38,574 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 01:53:38,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:53:38,574 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:38,574 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:38,575 INFO L85 PathProgramCache]: Analyzing trace with hash -244420086, now seen corresponding path program 1 times [2023-08-29 01:53:38,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:38,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555395598] [2023-08-29 01:53:38,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:38,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:39,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:39,421 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 01:53:39,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:39,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555395598] [2023-08-29 01:53:39,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555395598] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:39,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:53:39,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:53:39,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759750558] [2023-08-29 01:53:39,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:39,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:53:39,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:39,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:53:39,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:53:39,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1082 out of 2444 [2023-08-29 01:53:39,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 145 transitions, 713 flow. Second operand has 3 states, 3 states have (on average 1088.6666666666667) internal successors, (3266), 3 states have internal predecessors, (3266), 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 01:53:39,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:39,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1082 of 2444 [2023-08-29 01:53:39,476 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:40,189 INFO L130 PetriNetUnfolder]: 1526/3739 cut-off events. [2023-08-29 01:53:40,189 INFO L131 PetriNetUnfolder]: For 3383/4654 co-relation queries the response was YES. [2023-08-29 01:53:40,208 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9740 conditions, 3739 events. 1526/3739 cut-off events. For 3383/4654 co-relation queries the response was YES. Maximal size of possible extension queue 153. Compared 26126 event pairs, 701 based on Foata normal form. 17/3492 useless extension candidates. Maximal degree in co-relation 9724. Up to 1570 conditions per place. [2023-08-29 01:53:40,224 INFO L137 encePairwiseOnDemand]: 2440/2444 looper letters, 75 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2023-08-29 01:53:40,224 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 146 transitions, 869 flow [2023-08-29 01:53:40,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:53:40,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:53:40,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3297 transitions. [2023-08-29 01:53:40,231 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44967266775777415 [2023-08-29 01:53:40,231 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3297 transitions. [2023-08-29 01:53:40,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3297 transitions. [2023-08-29 01:53:40,232 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:40,233 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3297 transitions. [2023-08-29 01:53:40,236 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1099.0) internal successors, (3297), 3 states have internal predecessors, (3297), 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 01:53:40,243 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:40,244 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2444.0) internal successors, (9776), 4 states have internal predecessors, (9776), 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 01:53:40,244 INFO L175 Difference]: Start difference. First operand has 121 places, 145 transitions, 713 flow. Second operand 3 states and 3297 transitions. [2023-08-29 01:53:40,244 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 146 transitions, 869 flow [2023-08-29 01:53:40,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 146 transitions, 868 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:40,267 INFO L231 Difference]: Finished difference. Result has 123 places, 146 transitions, 726 flow [2023-08-29 01:53:40,267 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=712, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=143, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=726, PETRI_PLACES=123, PETRI_TRANSITIONS=146} [2023-08-29 01:53:40,268 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -53 predicate places. [2023-08-29 01:53:40,268 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 146 transitions, 726 flow [2023-08-29 01:53:40,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1088.6666666666667) internal successors, (3266), 3 states have internal predecessors, (3266), 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 01:53:40,269 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:40,269 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] [2023-08-29 01:53:40,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:53:40,269 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 100 more)] === [2023-08-29 01:53:40,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:40,270 INFO L85 PathProgramCache]: Analyzing trace with hash 423847543, now seen corresponding path program 1 times [2023-08-29 01:53:40,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:40,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415255463] [2023-08-29 01:53:40,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:40,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:40,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:41,083 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 01:53:41,084 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:41,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415255463] [2023-08-29 01:53:41,084 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415255463] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:53:41,084 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612226263] [2023-08-29 01:53:41,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:41,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:53:41,085 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:53:41,093 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 01:53:41,098 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 01:53:41,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:41,822 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 194 conjunts are in the unsatisfiable core [2023-08-29 01:53:41,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:53:42,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:42,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:48,847 WARN L222 SmtUtils]: Spent 6.52s on a formula simplification. DAG size of input: 1220 DAG size of output: 319 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 01:53:48,853 INFO L321 Elim1Store]: treesize reduction 8766, result has 7.8 percent of original size [2023-08-29 01:53:48,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 13 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 56 case distinctions, treesize of input 341 treesize of output 1002 [2023-08-29 01:53:53,765 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 01:53:53,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2023-08-29 01:53:53,914 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-08-29 01:53:53,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-29 01:53:53,949 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 01:53:53,949 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 01:53:53,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [612226263] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:53:53,950 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 01:53:53,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2023-08-29 01:53:53,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470757612] [2023-08-29 01:53:53,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:53:53,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:53:53,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:53,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:53:53,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:53:54,481 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1012 out of 2444 [2023-08-29 01:53:54,483 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 146 transitions, 726 flow. Second operand has 6 states, 6 states have (on average 1018.5) internal successors, (6111), 6 states have internal predecessors, (6111), 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 01:53:54,483 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:54,483 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1012 of 2444 [2023-08-29 01:53:54,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:56,190 INFO L130 PetriNetUnfolder]: 5257/9231 cut-off events. [2023-08-29 01:53:56,190 INFO L131 PetriNetUnfolder]: For 15111/15196 co-relation queries the response was YES. [2023-08-29 01:53:56,214 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29644 conditions, 9231 events. 5257/9231 cut-off events. For 15111/15196 co-relation queries the response was YES. Maximal size of possible extension queue 204. Compared 53308 event pairs, 3806 based on Foata normal form. 0/9056 useless extension candidates. Maximal degree in co-relation 29627. Up to 7654 conditions per place. [2023-08-29 01:53:56,247 INFO L137 encePairwiseOnDemand]: 2433/2444 looper letters, 106 selfloop transitions, 45 changer transitions 0/169 dead transitions. [2023-08-29 01:53:56,247 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 169 transitions, 1150 flow [2023-08-29 01:53:56,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:53:56,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:53:56,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5157 transitions. [2023-08-29 01:53:56,256 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42201309328968906 [2023-08-29 01:53:56,257 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5157 transitions. [2023-08-29 01:53:56,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5157 transitions. [2023-08-29 01:53:56,258 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:56,258 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5157 transitions. [2023-08-29 01:53:56,264 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1031.4) internal successors, (5157), 5 states have internal predecessors, (5157), 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 01:53:56,273 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2444.0) internal successors, (14664), 6 states have internal predecessors, (14664), 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 01:53:56,275 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2444.0) internal successors, (14664), 6 states have internal predecessors, (14664), 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 01:53:56,275 INFO L175 Difference]: Start difference. First operand has 123 places, 146 transitions, 726 flow. Second operand 5 states and 5157 transitions. [2023-08-29 01:53:56,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 169 transitions, 1150 flow [2023-08-29 01:53:56,333 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 126 places, 169 transitions, 1146 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:56,336 INFO L231 Difference]: Finished difference. Result has 128 places, 155 transitions, 976 flow [2023-08-29 01:53:56,336 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2444, PETRI_DIFFERENCE_MINUEND_FLOW=722, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=146, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=36, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=976, PETRI_PLACES=128, PETRI_TRANSITIONS=155} [2023-08-29 01:53:56,336 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -48 predicate places. [2023-08-29 01:53:56,337 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 155 transitions, 976 flow [2023-08-29 01:53:56,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1018.5) internal successors, (6111), 6 states have internal predecessors, (6111), 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 01:53:56,338 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:56,338 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, 1] [2023-08-29 01:53:56,351 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 01:53:56,548 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,SelfDestructingSolverStorable11 [2023-08-29 01:53:56,548 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 100 more)] === [2023-08-29 01:53:56,549 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:56,549 INFO L85 PathProgramCache]: Analyzing trace with hash -1393466598, now seen corresponding path program 1 times [2023-08-29 01:53:56,549 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:56,549 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979139947] [2023-08-29 01:53:56,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:56,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:56,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:57,267 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 01:53:57,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979139947] [2023-08-29 01:53:57,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979139947] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:53:57,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227328849] [2023-08-29 01:53:57,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:57,268 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:53:57,269 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:53:57,273 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 01:53:57,277 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 01:53:58,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:58,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 358 conjunts are in the unsatisfiable core [2023-08-29 01:53:58,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:53:58,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:53:58,840 INFO L217 Elim1Store]: Index analysis took 154 ms [2023-08-29 01:54:06,920 WARN L222 SmtUtils]: Spent 8.03s on a formula simplification. DAG size of input: 1311 DAG size of output: 298 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 01:54:06,924 INFO L321 Elim1Store]: treesize reduction 10059, result has 6.1 percent of original size [2023-08-29 01:54:06,925 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 18 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 104 case distinctions, treesize of input 566 treesize of output 1133 Killed by 15