./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 TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:14:09,964 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:14:09,966 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:14:09,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:14:09,991 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:14:09,992 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:14:09,993 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:14:09,995 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:14:09,998 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:14:10,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:14:10,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:14:10,004 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:14:10,006 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:14:10,008 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:14:10,009 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:14:10,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:14:10,011 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:14:10,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:14:10,015 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:14:10,018 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:14:10,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:14:10,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:14:10,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:14:10,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:14:10,031 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:14:10,034 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:14:10,034 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:14:10,035 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:14:10,036 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:14:10,037 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:14:10,038 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:14:10,038 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:14:10,040 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:14:10,041 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:14:10,042 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:14:10,042 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:14:10,043 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:14:10,043 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:14:10,043 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:14:10,044 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:14:10,045 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:14:10,046 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:14:10,092 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:14:10,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:14:10,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:14:10,093 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:14:10,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:14:10,094 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:14:10,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:14:10,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:14:10,095 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:14:10,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:14:10,096 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:14:10,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:14:10,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:14:10,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:14:10,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:14:10,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:14:10,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:14:10,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:14:10,097 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:14:10,097 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:14:10,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:14:10,098 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:14:10,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:14:10,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:14:10,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:14:10,098 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:14:10,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:14:10,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:14:10,099 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:14:10,099 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:14:10,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:14:10,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:14:10,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:14:10,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:14:10,100 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:14:10,100 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:14:10,100 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:14:10,101 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070c6009ff827451d8dab682a6835a3a11ca17731824d2cb72abd5ca38de17b6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:14:10,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:14:10,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:14:10,420 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:14:10,421 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:14:10,422 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:14:10,423 INFO L432 ainManager$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 17:14:11,554 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:14:12,063 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:14:12,063 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 17:14:12,102 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c31dd97/8ae63506fa6e4d888dd8e4408be5d59c/FLAG0d4a84917 [2023-08-29 17:14:12,118 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f8c31dd97/8ae63506fa6e4d888dd8e4408be5d59c [2023-08-29 17:14:12,120 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:14:12,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:14:12,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:14:12,126 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:14:12,128 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:14:12,129 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:14:12" (1/1) ... [2023-08-29 17:14:12,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c67e286 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:12, skipping insertion in model container [2023-08-29 17:14:12,132 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:14:12" (1/1) ... [2023-08-29 17:14:12,138 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:14:12,259 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:14:12,593 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 17:14:15,271 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:14:15,770 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:14:15,770 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:14:15,822 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:14:15,836 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:14:15,857 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 17:14:16,169 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:14:16,216 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:14:16,217 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:14:16,271 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:14:16,873 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,873 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,873 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,874 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,874 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,874 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,874 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:14:16,881 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:14:16,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16 WrapperNode [2023-08-29 17:14:16,881 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:14:16,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:14:16,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:14:16,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:14:16,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,066 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 981 [2023-08-29 17:14:17,067 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:14:17,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:14:17,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:14:17,068 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:14:17,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,083 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,120 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,131 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,136 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,158 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:14:17,162 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:14:17,162 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:14:17,163 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:14:17,163 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (1/1) ... [2023-08-29 17:14:17,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:14:17,183 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:14:17,197 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 17:14:17,218 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:14:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:14:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:14:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:14:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:14:17,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:14:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:14:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:14:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:14:17,291 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-29 17:14:17,291 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:14:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:14:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:14:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:14:17,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:14:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 17:14:17,293 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 17:14:17,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:14:17,294 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:14:17,762 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:14:17,764 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:14:18,822 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:14:18,838 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:14:18,839 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-29 17:14:18,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:14:18 BoogieIcfgContainer [2023-08-29 17:14:18,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:14:18,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:14:18,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:14:18,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:14:18,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:14:12" (1/3) ... [2023-08-29 17:14:18,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54edcc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:14:18, skipping insertion in model container [2023-08-29 17:14:18,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:14:16" (2/3) ... [2023-08-29 17:14:18,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54edcc78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:14:18, skipping insertion in model container [2023-08-29 17:14:18,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:14:18" (3/3) ... [2023-08-29 17:14:18,851 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-29 17:14:18,858 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:14:18,866 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:14:18,866 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-08-29 17:14:18,867 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:14:19,032 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:14:19,074 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1080 places, 1126 transitions, 2268 flow [2023-08-29 17:14:19,468 INFO L130 PetriNetUnfolder]: 53/1124 cut-off events. [2023-08-29 17:14:19,468 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:14:19,478 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 17:14:19,478 INFO L82 GeneralOperation]: Start removeDead. Operand has 1080 places, 1126 transitions, 2268 flow [2023-08-29 17:14:19,492 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1070 places, 1116 transitions, 2241 flow [2023-08-29 17:14:19,496 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:14:19,507 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1070 places, 1116 transitions, 2241 flow [2023-08-29 17:14:19,513 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1070 places, 1116 transitions, 2241 flow [2023-08-29 17:14:19,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1070 places, 1116 transitions, 2241 flow [2023-08-29 17:14:19,725 INFO L130 PetriNetUnfolder]: 53/1116 cut-off events. [2023-08-29 17:14:19,725 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:14:19,730 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 17:14:19,741 INFO L119 LiptonReduction]: Number of co-enabled transitions 22470 [2023-08-29 17:15:35,453 WARN L222 SmtUtils]: Spent 6.15s 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 17:16:20,158 WARN L222 SmtUtils]: Spent 24.13s 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 17:16:51,051 WARN L222 SmtUtils]: Spent 30.88s 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 17:17:47,220 WARN L222 SmtUtils]: Spent 56.17s 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 17:18:11,121 WARN L222 SmtUtils]: Spent 23.89s 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 17:20:07,827 WARN L222 SmtUtils]: Spent 1.92m 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 17:20:34,103 WARN L222 SmtUtils]: Spent 26.27s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:22:10,944 WARN L222 SmtUtils]: Spent 1.61m 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 17:23:01,821 WARN L222 SmtUtils]: Spent 50.87s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:23:23,686 WARN L222 SmtUtils]: Spent 6.69s 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 17:23:27,204 INFO L134 LiptonReduction]: Checked pairs total: 101340 [2023-08-29 17:23:27,205 INFO L136 LiptonReduction]: Total number of compositions: 1318 [2023-08-29 17:23:27,217 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:23:27,221 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;@7a776c78, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:23:27,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2023-08-29 17:23:27,223 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:23:27,224 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:23:27,224 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:27,224 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:23:27,225 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 17:23:27,229 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:27,229 INFO L85 PathProgramCache]: Analyzing trace with hash 3991, now seen corresponding path program 1 times [2023-08-29 17:23:27,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:27,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116462741] [2023-08-29 17:23:27,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:27,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:27,406 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:27,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:27,408 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116462741] [2023-08-29 17:23:27,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116462741] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:27,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:27,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:23:27,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688811461] [2023-08-29 17:23:27,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:27,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:23:27,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:27,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:23:27,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:23:27,451 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1090 out of 2444 [2023-08-29 17:23:27,458 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 17:23:27,459 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:27,459 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1090 of 2444 [2023-08-29 17:23:27,460 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:27,892 INFO L130 PetriNetUnfolder]: 296/1142 cut-off events. [2023-08-29 17:23:27,894 INFO L131 PetriNetUnfolder]: For 19/19 co-relation queries the response was YES. [2023-08-29 17:23:27,896 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 17:23:27,902 INFO L137 encePairwiseOnDemand]: 2365/2444 looper letters, 51 selfloop transitions, 0 changer transitions 0/113 dead transitions. [2023-08-29 17:23:27,903 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 113 transitions, 337 flow [2023-08-29 17:23:27,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:23:27,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:23:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2310 transitions. [2023-08-29 17:23:27,924 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4725859247135843 [2023-08-29 17:23:27,925 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2310 transitions. [2023-08-29 17:23:27,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2310 transitions. [2023-08-29 17:23:27,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:27,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2310 transitions. [2023-08-29 17:23:27,953 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 17:23:27,965 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 17:23:27,969 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 17:23:27,970 INFO L175 Difference]: Start difference. First operand has 176 places, 192 transitions, 393 flow. Second operand 2 states and 2310 transitions. [2023-08-29 17:23:27,971 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 113 transitions, 337 flow [2023-08-29 17:23:27,974 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 17:23:27,976 INFO L231 Difference]: Finished difference. Result has 107 places, 113 transitions, 230 flow [2023-08-29 17:23:27,978 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 17:23:27,981 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -69 predicate places. [2023-08-29 17:23:27,981 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 113 transitions, 230 flow [2023-08-29 17:23:27,983 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 17:23:27,983 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:27,983 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:23:27,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:23:27,984 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 17:23:27,984 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:27,984 INFO L85 PathProgramCache]: Analyzing trace with hash 4028922, now seen corresponding path program 1 times [2023-08-29 17:23:27,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:27,985 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660466380] [2023-08-29 17:23:27,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:27,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:28,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:28,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:28,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:28,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660466380] [2023-08-29 17:23:28,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660466380] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:28,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:28,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:28,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354090389] [2023-08-29 17:23:28,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:28,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:28,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:28,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:28,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:28,354 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 2444 [2023-08-29 17:23:28,361 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 17:23:28,361 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:28,361 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 2444 [2023-08-29 17:23:28,361 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:28,922 INFO L130 PetriNetUnfolder]: 296/1140 cut-off events. [2023-08-29 17:23:28,922 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:23:28,924 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 17:23:28,929 INFO L137 encePairwiseOnDemand]: 2439/2444 looper letters, 48 selfloop transitions, 3 changer transitions 0/111 dead transitions. [2023-08-29 17:23:28,929 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 111 transitions, 328 flow [2023-08-29 17:23:28,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:28,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3266 transitions. [2023-08-29 17:23:28,937 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44544462629569015 [2023-08-29 17:23:28,937 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3266 transitions. [2023-08-29 17:23:28,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3266 transitions. [2023-08-29 17:23:28,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:28,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3266 transitions. [2023-08-29 17:23:28,945 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 17:23:28,958 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 17:23:28,962 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 17:23:28,963 INFO L175 Difference]: Start difference. First operand has 107 places, 113 transitions, 230 flow. Second operand 3 states and 3266 transitions. [2023-08-29 17:23:28,963 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 111 transitions, 328 flow [2023-08-29 17:23:28,964 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 17:23:28,966 INFO L231 Difference]: Finished difference. Result has 107 places, 111 transitions, 232 flow [2023-08-29 17:23:28,966 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 17:23:28,967 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -69 predicate places. [2023-08-29 17:23:28,967 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 111 transitions, 232 flow [2023-08-29 17:23:28,969 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 17:23:28,969 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:28,969 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:23:28,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:23:28,970 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 17:23:28,970 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:28,970 INFO L85 PathProgramCache]: Analyzing trace with hash -422885857, now seen corresponding path program 1 times [2023-08-29 17:23:28,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:28,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835217756] [2023-08-29 17:23:28,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:28,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:29,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:29,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:29,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:29,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835217756] [2023-08-29 17:23:29,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835217756] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:29,307 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:29,307 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:29,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786382150] [2023-08-29 17:23:29,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:29,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:29,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:29,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:29,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:29,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1086 out of 2444 [2023-08-29 17:23:29,342 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 17:23:29,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:29,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1086 of 2444 [2023-08-29 17:23:29,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:29,926 INFO L130 PetriNetUnfolder]: 294/1137 cut-off events. [2023-08-29 17:23:29,926 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:23:29,929 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 17:23:29,933 INFO L137 encePairwiseOnDemand]: 2441/2444 looper letters, 47 selfloop transitions, 1 changer transitions 0/108 dead transitions. [2023-08-29 17:23:29,933 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 108 transitions, 320 flow [2023-08-29 17:23:29,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:29,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3308 transitions. [2023-08-29 17:23:29,941 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4511729405346427 [2023-08-29 17:23:29,941 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3308 transitions. [2023-08-29 17:23:29,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3308 transitions. [2023-08-29 17:23:29,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:29,943 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3308 transitions. [2023-08-29 17:23:29,949 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 17:23:29,961 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 17:23:29,964 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 17:23:29,964 INFO L175 Difference]: Start difference. First operand has 107 places, 111 transitions, 232 flow. Second operand 3 states and 3308 transitions. [2023-08-29 17:23:29,964 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 108 transitions, 320 flow [2023-08-29 17:23:29,965 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 17:23:29,967 INFO L231 Difference]: Finished difference. Result has 107 places, 108 transitions, 224 flow [2023-08-29 17:23:29,967 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 17:23:29,967 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -69 predicate places. [2023-08-29 17:23:29,968 INFO L495 AbstractCegarLoop]: Abstraction has has 107 places, 108 transitions, 224 flow [2023-08-29 17:23:29,969 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 17:23:29,970 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:29,970 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:23:29,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:23:29,970 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 17:23:29,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:29,971 INFO L85 PathProgramCache]: Analyzing trace with hash -161080642, now seen corresponding path program 1 times [2023-08-29 17:23:29,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:29,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519302862] [2023-08-29 17:23:29,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:29,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:30,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:30,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:30,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:30,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519302862] [2023-08-29 17:23:30,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519302862] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:30,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:30,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:30,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1397489915] [2023-08-29 17:23:30,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:30,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:30,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:30,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:30,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:30,138 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1077 out of 2444 [2023-08-29 17:23:30,142 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 17:23:30,142 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:30,142 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1077 of 2444 [2023-08-29 17:23:30,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:30,630 INFO L130 PetriNetUnfolder]: 330/1229 cut-off events. [2023-08-29 17:23:30,631 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:23:30,633 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 17:23:30,637 INFO L137 encePairwiseOnDemand]: 2440/2444 looper letters, 49 selfloop transitions, 1 changer transitions 0/105 dead transitions. [2023-08-29 17:23:30,638 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 105 transitions, 318 flow [2023-08-29 17:23:30,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3284 transitions. [2023-08-29 17:23:30,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44789961811238405 [2023-08-29 17:23:30,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3284 transitions. [2023-08-29 17:23:30,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3284 transitions. [2023-08-29 17:23:30,647 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:30,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3284 transitions. [2023-08-29 17:23:30,653 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 17:23:30,663 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 17:23:30,665 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 17:23:30,666 INFO L175 Difference]: Start difference. First operand has 107 places, 108 transitions, 224 flow. Second operand 3 states and 3284 transitions. [2023-08-29 17:23:30,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 105 transitions, 318 flow [2023-08-29 17:23:30,668 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 17:23:30,671 INFO L231 Difference]: Finished difference. Result has 105 places, 105 transitions, 219 flow [2023-08-29 17:23:30,671 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 17:23:30,673 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -71 predicate places. [2023-08-29 17:23:30,674 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 105 transitions, 219 flow [2023-08-29 17:23:30,675 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 17:23:30,675 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:30,675 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:30,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:23:30,675 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 17:23:30,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:30,676 INFO L85 PathProgramCache]: Analyzing trace with hash -789128667, now seen corresponding path program 1 times [2023-08-29 17:23:30,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:30,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222405331] [2023-08-29 17:23:30,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:30,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:30,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:30,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:30,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:30,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222405331] [2023-08-29 17:23:30,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222405331] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:30,846 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:30,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:30,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324662000] [2023-08-29 17:23:30,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:30,847 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:30,847 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:30,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:30,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:30,877 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1065 out of 2444 [2023-08-29 17:23:30,880 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 17:23:30,880 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:30,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1065 of 2444 [2023-08-29 17:23:30,881 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:31,366 INFO L130 PetriNetUnfolder]: 459/1380 cut-off events. [2023-08-29 17:23:31,366 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:23:31,369 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 17:23:31,374 INFO L137 encePairwiseOnDemand]: 2436/2444 looper letters, 62 selfloop transitions, 3 changer transitions 0/112 dead transitions. [2023-08-29 17:23:31,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 112 transitions, 366 flow [2023-08-29 17:23:31,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:31,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:31,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3265 transitions. [2023-08-29 17:23:31,382 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44530823786142937 [2023-08-29 17:23:31,382 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3265 transitions. [2023-08-29 17:23:31,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3265 transitions. [2023-08-29 17:23:31,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:31,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3265 transitions. [2023-08-29 17:23:31,390 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 17:23:31,399 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 17:23:31,401 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 17:23:31,401 INFO L175 Difference]: Start difference. First operand has 105 places, 105 transitions, 219 flow. Second operand 3 states and 3265 transitions. [2023-08-29 17:23:31,401 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 112 transitions, 366 flow [2023-08-29 17:23:31,403 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 17:23:31,405 INFO L231 Difference]: Finished difference. Result has 102 places, 102 transitions, 225 flow [2023-08-29 17:23:31,406 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 17:23:31,407 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -74 predicate places. [2023-08-29 17:23:31,408 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 102 transitions, 225 flow [2023-08-29 17:23:31,409 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 17:23:31,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:31,409 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:31,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:23:31,409 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 17:23:31,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:31,410 INFO L85 PathProgramCache]: Analyzing trace with hash 799500704, now seen corresponding path program 1 times [2023-08-29 17:23:31,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:31,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803836680] [2023-08-29 17:23:31,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:32,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:32,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:32,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803836680] [2023-08-29 17:23:32,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803836680] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:32,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:32,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:23:32,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788455408] [2023-08-29 17:23:32,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:32,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:23:32,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:32,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:23:32,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:23:32,995 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 2444 [2023-08-29 17:23:32,999 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 17:23:33,000 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:33,000 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 2444 [2023-08-29 17:23:33,000 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:33,943 INFO L130 PetriNetUnfolder]: 1421/3002 cut-off events. [2023-08-29 17:23:33,943 INFO L131 PetriNetUnfolder]: For 204/204 co-relation queries the response was YES. [2023-08-29 17:23:33,949 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 17:23:33,961 INFO L137 encePairwiseOnDemand]: 2437/2444 looper letters, 141 selfloop transitions, 9 changer transitions 0/196 dead transitions. [2023-08-29 17:23:33,961 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 196 transitions, 754 flow [2023-08-29 17:23:33,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:23:33,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:23:33,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6555 transitions. [2023-08-29 17:23:33,978 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.447013093289689 [2023-08-29 17:23:33,979 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6555 transitions. [2023-08-29 17:23:33,979 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6555 transitions. [2023-08-29 17:23:33,984 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:33,984 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6555 transitions. [2023-08-29 17:23:33,996 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 17:23:34,016 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 17:23:34,019 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 17:23:34,019 INFO L175 Difference]: Start difference. First operand has 102 places, 102 transitions, 225 flow. Second operand 6 states and 6555 transitions. [2023-08-29 17:23:34,019 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 196 transitions, 754 flow [2023-08-29 17:23:34,021 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 17:23:34,023 INFO L231 Difference]: Finished difference. Result has 112 places, 110 transitions, 289 flow [2023-08-29 17:23:34,023 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 17:23:34,026 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -64 predicate places. [2023-08-29 17:23:34,026 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 110 transitions, 289 flow [2023-08-29 17:23:34,028 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 17:23:34,028 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:34,028 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:34,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:23:34,028 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 17:23:34,029 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:34,029 INFO L85 PathProgramCache]: Analyzing trace with hash 226733193, now seen corresponding path program 1 times [2023-08-29 17:23:34,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:34,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317637794] [2023-08-29 17:23:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:34,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:34,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:34,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:34,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:34,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317637794] [2023-08-29 17:23:34,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317637794] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:34,885 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:34,885 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:23:34,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670141985] [2023-08-29 17:23:34,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:34,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:23:34,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:34,886 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:23:34,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:23:35,553 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1050 out of 2444 [2023-08-29 17:23:35,557 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 17:23:35,558 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:35,558 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1050 of 2444 [2023-08-29 17:23:35,558 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:36,884 INFO L130 PetriNetUnfolder]: 712/1828 cut-off events. [2023-08-29 17:23:36,884 INFO L131 PetriNetUnfolder]: For 141/167 co-relation queries the response was YES. [2023-08-29 17:23:36,889 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 17:23:36,896 INFO L137 encePairwiseOnDemand]: 2435/2444 looper letters, 93 selfloop transitions, 9 changer transitions 0/138 dead transitions. [2023-08-29 17:23:36,896 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 138 transitions, 565 flow [2023-08-29 17:23:36,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:23:36,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:23:36,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6400 transitions. [2023-08-29 17:23:36,911 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.436442989634479 [2023-08-29 17:23:36,911 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6400 transitions. [2023-08-29 17:23:36,911 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6400 transitions. [2023-08-29 17:23:36,914 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:36,915 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6400 transitions. [2023-08-29 17:23:36,924 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 17:23:36,937 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 17:23:36,940 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 17:23:36,940 INFO L175 Difference]: Start difference. First operand has 112 places, 110 transitions, 289 flow. Second operand 6 states and 6400 transitions. [2023-08-29 17:23:36,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 138 transitions, 565 flow [2023-08-29 17:23:36,944 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 17:23:36,946 INFO L231 Difference]: Finished difference. Result has 113 places, 106 transitions, 299 flow [2023-08-29 17:23:36,947 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 17:23:36,947 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -63 predicate places. [2023-08-29 17:23:36,947 INFO L495 AbstractCegarLoop]: Abstraction has has 113 places, 106 transitions, 299 flow [2023-08-29 17:23:36,949 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 17:23:36,949 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:36,949 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:36,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:23:36,949 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 17:23:36,950 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:36,950 INFO L85 PathProgramCache]: Analyzing trace with hash -875982475, now seen corresponding path program 1 times [2023-08-29 17:23:36,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:36,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595545159] [2023-08-29 17:23:36,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:36,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:37,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:37,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:37,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:37,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595545159] [2023-08-29 17:23:37,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595545159] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:37,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:37,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:23:37,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417905622] [2023-08-29 17:23:37,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:37,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:23:37,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:37,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:23:37,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:23:38,496 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1068 out of 2444 [2023-08-29 17:23:38,499 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 17:23:38,502 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:38,502 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1068 of 2444 [2023-08-29 17:23:38,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:39,670 INFO L130 PetriNetUnfolder]: 834/2331 cut-off events. [2023-08-29 17:23:39,670 INFO L131 PetriNetUnfolder]: For 415/469 co-relation queries the response was YES. [2023-08-29 17:23:39,677 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 17:23:39,685 INFO L137 encePairwiseOnDemand]: 2437/2444 looper letters, 127 selfloop transitions, 25 changer transitions 0/199 dead transitions. [2023-08-29 17:23:39,685 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 199 transitions, 913 flow [2023-08-29 17:23:39,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:23:39,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:23:39,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6539 transitions. [2023-08-29 17:23:39,697 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44592198581560283 [2023-08-29 17:23:39,697 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6539 transitions. [2023-08-29 17:23:39,697 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6539 transitions. [2023-08-29 17:23:39,699 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:39,699 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6539 transitions. [2023-08-29 17:23:39,708 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 17:23:39,720 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 17:23:39,722 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 17:23:39,722 INFO L175 Difference]: Start difference. First operand has 113 places, 106 transitions, 299 flow. Second operand 6 states and 6539 transitions. [2023-08-29 17:23:39,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 199 transitions, 913 flow [2023-08-29 17:23:39,725 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 17:23:39,728 INFO L231 Difference]: Finished difference. Result has 118 places, 130 transitions, 521 flow [2023-08-29 17:23:39,728 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 17:23:39,728 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -58 predicate places. [2023-08-29 17:23:39,729 INFO L495 AbstractCegarLoop]: Abstraction has has 118 places, 130 transitions, 521 flow [2023-08-29 17:23:39,730 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 17:23:39,730 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:39,730 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:39,730 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:23:39,731 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 17:23:39,731 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:39,731 INFO L85 PathProgramCache]: Analyzing trace with hash -314137402, now seen corresponding path program 1 times [2023-08-29 17:23:39,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:39,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928178257] [2023-08-29 17:23:39,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:39,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:40,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:40,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:40,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928178257] [2023-08-29 17:23:40,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928178257] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:40,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:40,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:40,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724143230] [2023-08-29 17:23:40,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:40,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:40,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:40,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:40,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:40,284 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1021 out of 2444 [2023-08-29 17:23:40,286 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 17:23:40,286 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:40,286 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1021 of 2444 [2023-08-29 17:23:40,287 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:41,792 INFO L130 PetriNetUnfolder]: 5170/9251 cut-off events. [2023-08-29 17:23:41,792 INFO L131 PetriNetUnfolder]: For 8466/8523 co-relation queries the response was YES. [2023-08-29 17:23:41,814 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 17:23:41,856 INFO L137 encePairwiseOnDemand]: 2432/2444 looper letters, 95 selfloop transitions, 41 changer transitions 0/155 dead transitions. [2023-08-29 17:23:41,856 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 155 transitions, 897 flow [2023-08-29 17:23:41,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:41,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:41,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3160 transitions. [2023-08-29 17:23:41,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.430987452264048 [2023-08-29 17:23:41,863 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3160 transitions. [2023-08-29 17:23:41,863 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3160 transitions. [2023-08-29 17:23:41,863 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:41,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3160 transitions. [2023-08-29 17:23:41,867 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 17:23:41,872 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 17:23:41,873 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 17:23:41,873 INFO L175 Difference]: Start difference. First operand has 118 places, 130 transitions, 521 flow. Second operand 3 states and 3160 transitions. [2023-08-29 17:23:41,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 155 transitions, 897 flow [2023-08-29 17:23:41,915 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 17:23:41,917 INFO L231 Difference]: Finished difference. Result has 122 places, 146 transitions, 795 flow [2023-08-29 17:23:41,917 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 17:23:41,918 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -54 predicate places. [2023-08-29 17:23:41,918 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 146 transitions, 795 flow [2023-08-29 17:23:41,919 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 17:23:41,919 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:41,919 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:41,919 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:23:41,921 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 17:23:41,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:41,922 INFO L85 PathProgramCache]: Analyzing trace with hash 269290760, now seen corresponding path program 1 times [2023-08-29 17:23:41,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:41,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414598812] [2023-08-29 17:23:41,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:41,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:42,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:42,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:42,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414598812] [2023-08-29 17:23:42,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414598812] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:42,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:42,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:42,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435945930] [2023-08-29 17:23:42,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:42,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:42,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:42,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:42,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:42,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1071 out of 2444 [2023-08-29 17:23:42,461 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 17:23:42,461 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:42,461 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1071 of 2444 [2023-08-29 17:23:42,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:43,561 INFO L130 PetriNetUnfolder]: 1597/3831 cut-off events. [2023-08-29 17:23:43,561 INFO L131 PetriNetUnfolder]: For 4063/5351 co-relation queries the response was YES. [2023-08-29 17:23:43,573 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 17:23:43,587 INFO L137 encePairwiseOnDemand]: 2442/2444 looper letters, 85 selfloop transitions, 1 changer transitions 0/154 dead transitions. [2023-08-29 17:23:43,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 154 transitions, 993 flow [2023-08-29 17:23:43,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3271 transitions. [2023-08-29 17:23:43,593 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.446126568466994 [2023-08-29 17:23:43,593 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3271 transitions. [2023-08-29 17:23:43,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3271 transitions. [2023-08-29 17:23:43,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:43,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3271 transitions. [2023-08-29 17:23:43,598 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 17:23:43,603 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 17:23:43,604 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 17:23:43,604 INFO L175 Difference]: Start difference. First operand has 122 places, 146 transitions, 795 flow. Second operand 3 states and 3271 transitions. [2023-08-29 17:23:43,605 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 154 transitions, 993 flow [2023-08-29 17:23:43,627 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 17:23:43,630 INFO L231 Difference]: Finished difference. Result has 121 places, 145 transitions, 713 flow [2023-08-29 17:23:43,630 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 17:23:43,630 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -55 predicate places. [2023-08-29 17:23:43,631 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 145 transitions, 713 flow [2023-08-29 17:23:43,631 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 17:23:43,631 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:43,632 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:23:43,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:23:43,632 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 17:23:43,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:43,632 INFO L85 PathProgramCache]: Analyzing trace with hash -244420086, now seen corresponding path program 1 times [2023-08-29 17:23:43,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:43,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [307405914] [2023-08-29 17:23:43,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:43,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:44,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:44,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [307405914] [2023-08-29 17:23:44,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [307405914] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:44,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:23:44,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:23:44,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232377352] [2023-08-29 17:23:44,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:44,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:23:44,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:44,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:23:44,395 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:23:44,443 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1082 out of 2444 [2023-08-29 17:23:44,445 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 17:23:44,445 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:44,445 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1082 of 2444 [2023-08-29 17:23:44,445 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:23:45,128 INFO L130 PetriNetUnfolder]: 1526/3739 cut-off events. [2023-08-29 17:23:45,128 INFO L131 PetriNetUnfolder]: For 3383/4654 co-relation queries the response was YES. [2023-08-29 17:23:45,143 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 17:23:45,156 INFO L137 encePairwiseOnDemand]: 2440/2444 looper letters, 75 selfloop transitions, 2 changer transitions 0/146 dead transitions. [2023-08-29 17:23:45,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 146 transitions, 869 flow [2023-08-29 17:23:45,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:23:45,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:23:45,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3297 transitions. [2023-08-29 17:23:45,162 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44967266775777415 [2023-08-29 17:23:45,162 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3297 transitions. [2023-08-29 17:23:45,162 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3297 transitions. [2023-08-29 17:23:45,163 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:23:45,163 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3297 transitions. [2023-08-29 17:23:45,167 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 17:23:45,173 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 17:23:45,174 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 17:23:45,174 INFO L175 Difference]: Start difference. First operand has 121 places, 145 transitions, 713 flow. Second operand 3 states and 3297 transitions. [2023-08-29 17:23:45,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 123 places, 146 transitions, 869 flow [2023-08-29 17:23:45,193 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 17:23:45,195 INFO L231 Difference]: Finished difference. Result has 123 places, 146 transitions, 726 flow [2023-08-29 17:23:45,195 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 17:23:45,195 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -53 predicate places. [2023-08-29 17:23:45,196 INFO L495 AbstractCegarLoop]: Abstraction has has 123 places, 146 transitions, 726 flow [2023-08-29 17:23:45,196 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 17:23:45,196 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:23:45,196 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 17:23:45,197 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:23:45,197 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 17:23:45,197 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:23:45,197 INFO L85 PathProgramCache]: Analyzing trace with hash 423847543, now seen corresponding path program 1 times [2023-08-29 17:23:45,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:23:45,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200942072] [2023-08-29 17:23:45,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:45,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:23:45,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:45,979 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:23:45,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:23:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200942072] [2023-08-29 17:23:45,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200942072] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:23:45,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2035377543] [2023-08-29 17:23:45,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:23:45,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:23:45,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:23:45,983 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 17:23:45,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 17:23:46,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:23:46,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 1338 conjuncts, 194 conjunts are in the unsatisfiable core [2023-08-29 17:23:46,829 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:23:47,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:47,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:23:53,551 WARN L222 SmtUtils]: Spent 6.26s 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 17:23:53,562 INFO L321 Elim1Store]: treesize reduction 8766, result has 7.8 percent of original size [2023-08-29 17:23:53,563 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 17:23:58,063 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 17:23:58,064 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 17:23:58,208 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 17:23:58,228 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 17:23:58,242 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 17:23:58,242 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 17:23:58,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2035377543] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:23:58,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 17:23:58,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2023-08-29 17:23:58,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770357364] [2023-08-29 17:23:58,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:23:58,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:23:58,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:23:58,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:23:58,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:23:58,789 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1012 out of 2444 [2023-08-29 17:23:58,791 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 17:23:58,792 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:23:58,792 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1012 of 2444 [2023-08-29 17:23:58,792 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:24:00,318 INFO L130 PetriNetUnfolder]: 5257/9231 cut-off events. [2023-08-29 17:24:00,318 INFO L131 PetriNetUnfolder]: For 15111/15196 co-relation queries the response was YES. [2023-08-29 17:24:00,347 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 17:24:00,381 INFO L137 encePairwiseOnDemand]: 2433/2444 looper letters, 106 selfloop transitions, 45 changer transitions 0/169 dead transitions. [2023-08-29 17:24:00,382 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 169 transitions, 1150 flow [2023-08-29 17:24:00,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:24:00,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:24:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5157 transitions. [2023-08-29 17:24:00,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42201309328968906 [2023-08-29 17:24:00,390 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5157 transitions. [2023-08-29 17:24:00,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5157 transitions. [2023-08-29 17:24:00,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:24:00,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5157 transitions. [2023-08-29 17:24:00,397 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 17:24:00,404 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 17:24:00,405 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 17:24:00,405 INFO L175 Difference]: Start difference. First operand has 123 places, 146 transitions, 726 flow. Second operand 5 states and 5157 transitions. [2023-08-29 17:24:00,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 169 transitions, 1150 flow [2023-08-29 17:24:00,468 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 17:24:00,470 INFO L231 Difference]: Finished difference. Result has 128 places, 155 transitions, 976 flow [2023-08-29 17:24:00,471 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 17:24:00,471 INFO L281 CegarLoopForPetriNet]: 176 programPoint places, -48 predicate places. [2023-08-29 17:24:00,472 INFO L495 AbstractCegarLoop]: Abstraction has has 128 places, 155 transitions, 976 flow [2023-08-29 17:24:00,473 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 17:24:00,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:24:00,473 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 17:24:00,486 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 17:24:00,683 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 17:24:00,683 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 17:24:00,684 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:24:00,684 INFO L85 PathProgramCache]: Analyzing trace with hash -1393466598, now seen corresponding path program 1 times [2023-08-29 17:24:00,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:24:00,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816958899] [2023-08-29 17:24:00,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:00,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:24:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:01,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:24:01,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:24:01,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816958899] [2023-08-29 17:24:01,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816958899] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:24:01,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469064477] [2023-08-29 17:24:01,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:24:01,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:24:01,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:24:01,364 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 17:24:01,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 17:24:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:24:02,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 358 conjunts are in the unsatisfiable core [2023-08-29 17:24:02,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:24:02,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:24:02,980 INFO L217 Elim1Store]: Index analysis took 158 ms [2023-08-29 17:24:11,443 WARN L222 SmtUtils]: Spent 8.40s 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 17:24:11,444 INFO L321 Elim1Store]: treesize reduction 10059, result has 6.1 percent of original size [2023-08-29 17:24:11,445 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