./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_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 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 01:40:35,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:40:35,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:40:35,557 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:40:35,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:40:35,558 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:40:35,559 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:40:35,560 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:40:35,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:40:35,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:40:35,562 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:40:35,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:40:35,563 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:40:35,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:40:35,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:40:35,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:40:35,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:40:35,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:40:35,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:40:35,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:40:35,587 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:40:35,588 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:40:35,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:40:35,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:40:35,594 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:40:35,596 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:40:35,596 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:40:35,597 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:40:35,597 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:40:35,598 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:40:35,598 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:40:35,601 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:40:35,601 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:40:35,602 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:40:35,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:40:35,602 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:40:35,603 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:40:35,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:40:35,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:40:35,605 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:40:35,605 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:40:35,606 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:40:35,626 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:40:35,627 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:40:35,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:40:35,627 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:40:35,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:40:35,628 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:40:35,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:40:35,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:40:35,629 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:40:35,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:40:35,630 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:40:35,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:40:35,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:40:35,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:40:35,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:40:35,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:40:35,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:40:35,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:40:35,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:40:35,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:40:35,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:40:35,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:40:35,632 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:40:35,632 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:40:35,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:40:35,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:40:35,633 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:40:35,633 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:40:35,633 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:40:35,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:40:35,634 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:40:35,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:40:35,851 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:40:35,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:40:35,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:40:35,866 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:40:35,868 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:40:35,869 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-29 01:40:36,881 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:40:37,269 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:40:37,270 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-29 01:40:37,306 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c15638a6/0f6efdd52b3945e4b86e6530d108bc1c/FLAG705333179 [2023-08-29 01:40:37,326 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c15638a6/0f6efdd52b3945e4b86e6530d108bc1c [2023-08-29 01:40:37,328 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:40:37,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:40:37,333 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:40:37,333 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:40:37,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:40:37,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:40:37" (1/1) ... [2023-08-29 01:40:37,338 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49a74da0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:37, skipping insertion in model container [2023-08-29 01:40:37,338 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:40:37" (1/1) ... [2023-08-29 01:40:37,342 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:40:37,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:40:37,689 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_configure_pc8736x_gpio_set.i[5469,5482] [2023-08-29 01:40:39,617 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:40:40,034 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:40:40,037 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:40:40,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:40:40,094 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:40:40,106 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_configure_pc8736x_gpio_set.i[5469,5482] [2023-08-29 01:40:40,267 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:40:40,364 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:40:40,364 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:40:40,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:40:40,842 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,842 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,842 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,842 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,842 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,843 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,843 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:40:40,847 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:40:40,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40 WrapperNode [2023-08-29 01:40:40,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:40:40,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:40:40,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:40:40,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:40:40,852 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:40,942 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,035 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 1128 [2023-08-29 01:40:41,061 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:40:41,063 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:40:41,063 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:40:41,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:40:41,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,113 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,127 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:40:41,133 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:40:41,133 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:40:41,133 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:40:41,134 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (1/1) ... [2023-08-29 01:40:41,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:40:41,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:40:41,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:40:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:40:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:40:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:40:41,188 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:40:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:40:41,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:40:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:40:41,188 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:40:41,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:40:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:40:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:40:41,193 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 01:40:41,193 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 01:40:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 01:40:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:40:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 01:40:41,194 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:40:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:40:41,195 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:40:41,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:40:41,196 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:40:41,540 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:40:41,541 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:40:42,473 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:40:42,522 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:40:42,523 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-29 01:40:42,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:40:42 BoogieIcfgContainer [2023-08-29 01:40:42,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:40:42,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:40:42,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:40:42,529 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:40:42,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:40:37" (1/3) ... [2023-08-29 01:40:42,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a72207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:40:42, skipping insertion in model container [2023-08-29 01:40:42,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:40:40" (2/3) ... [2023-08-29 01:40:42,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a72207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:40:42, skipping insertion in model container [2023-08-29 01:40:42,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:40:42" (3/3) ... [2023-08-29 01:40:42,531 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-29 01:40:42,537 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:40:42,543 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:40:42,543 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 101 error locations. [2023-08-29 01:40:42,543 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:40:42,670 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:40:42,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1234 places, 1285 transitions, 2586 flow [2023-08-29 01:40:43,004 INFO L130 PetriNetUnfolder]: 58/1283 cut-off events. [2023-08-29 01:40:43,005 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:40:43,016 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1292 conditions, 1283 events. 58/1283 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2480 event pairs, 0 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:40:43,016 INFO L82 GeneralOperation]: Start removeDead. Operand has 1234 places, 1285 transitions, 2586 flow [2023-08-29 01:40:43,027 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1224 places, 1275 transitions, 2559 flow [2023-08-29 01:40:43,030 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:40:43,038 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1224 places, 1275 transitions, 2559 flow [2023-08-29 01:40:43,043 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1224 places, 1275 transitions, 2559 flow [2023-08-29 01:40:43,043 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1224 places, 1275 transitions, 2559 flow [2023-08-29 01:40:43,291 INFO L130 PetriNetUnfolder]: 58/1275 cut-off events. [2023-08-29 01:40:43,291 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:40:43,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1283 conditions, 1275 events. 58/1275 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2232 event pairs, 0 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:40:43,317 INFO L119 LiptonReduction]: Number of co-enabled transitions 78756 [2023-08-29 01:42:21,632 WARN L222 SmtUtils]: Spent 7.75s on a formula simplification that was a NOOP. DAG size: 467 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:42:28,760 WARN L222 SmtUtils]: Spent 7.13s on a formula simplification that was a NOOP. DAG size: 458 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:42:35,226 WARN L222 SmtUtils]: Spent 6.46s on a formula simplification that was a NOOP. DAG size: 467 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:42:40,237 WARN L222 SmtUtils]: Spent 5.01s on a formula simplification that was a NOOP. DAG size: 458 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:43:12,171 WARN L222 SmtUtils]: Spent 10.73s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:43:58,000 WARN L222 SmtUtils]: Spent 42.23s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:44:21,531 WARN L222 SmtUtils]: Spent 23.52s on a formula simplification that was a NOOP. DAG size: 540 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:45:00,115 WARN L222 SmtUtils]: Spent 38.58s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:45:30,418 WARN L222 SmtUtils]: Spent 30.29s on a formula simplification that was a NOOP. DAG size: 540 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:47:14,989 WARN L222 SmtUtils]: Spent 1.74m on a formula simplification. DAG size of input: 594 DAG size of output: 589 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:48:08,471 WARN L222 SmtUtils]: Spent 53.48s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:49:35,591 WARN L222 SmtUtils]: Spent 1.45m on a formula simplification. DAG size of input: 597 DAG size of output: 592 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:50:00,917 WARN L222 SmtUtils]: Spent 25.32s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:50:00,923 INFO L134 LiptonReduction]: Checked pairs total: 191056 [2023-08-29 01:50:00,924 INFO L136 LiptonReduction]: Total number of compositions: 1575 [2023-08-29 01:50:00,939 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:50:00,943 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;@4ed0585a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:50:00,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2023-08-29 01:50:00,944 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:50:00,944 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:50:00,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:00,945 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:50:00,945 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:00,948 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:00,948 INFO L85 PathProgramCache]: Analyzing trace with hash 4801, now seen corresponding path program 1 times [2023-08-29 01:50:00,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:00,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603218189] [2023-08-29 01:50:00,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:00,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:01,107 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:01,114 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:01,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603218189] [2023-08-29 01:50:01,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603218189] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:01,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:01,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:50:01,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6491659] [2023-08-29 01:50:01,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:01,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:50:01,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:01,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:50:01,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:50:01,146 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1246 out of 2860 [2023-08-29 01:50:01,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 196 transitions, 401 flow. Second operand has 2 states, 2 states have (on average 1246.5) internal successors, (2493), 2 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:01,153 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:01,153 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1246 of 2860 [2023-08-29 01:50:01,154 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:01,510 INFO L130 PetriNetUnfolder]: 248/843 cut-off events. [2023-08-29 01:50:01,510 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-29 01:50:01,512 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 843 events. 248/843 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4383 event pairs, 237 based on Foata normal form. 35/823 useless extension candidates. Maximal degree in co-relation 1219. Up to 465 conditions per place. [2023-08-29 01:50:01,515 INFO L137 encePairwiseOnDemand]: 2763/2860 looper letters, 50 selfloop transitions, 0 changer transitions 0/99 dead transitions. [2023-08-29 01:50:01,515 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 99 transitions, 307 flow [2023-08-29 01:50:01,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:50:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:50:01,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2639 transitions. [2023-08-29 01:50:01,534 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46136363636363636 [2023-08-29 01:50:01,535 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2639 transitions. [2023-08-29 01:50:01,535 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2639 transitions. [2023-08-29 01:50:01,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:01,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2639 transitions. [2023-08-29 01:50:01,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1319.5) internal successors, (2639), 2 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:01,556 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2860.0) internal successors, (8580), 3 states have internal predecessors, (8580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:01,559 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2860.0) internal successors, (8580), 3 states have internal predecessors, (8580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:01,560 INFO L175 Difference]: Start difference. First operand has 181 places, 196 transitions, 401 flow. Second operand 2 states and 2639 transitions. [2023-08-29 01:50:01,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 99 transitions, 307 flow [2023-08-29 01:50:01,564 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 302 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:50:01,565 INFO L231 Difference]: Finished difference. Result has 93 places, 99 transitions, 202 flow [2023-08-29 01:50:01,567 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=202, PETRI_PLACES=93, PETRI_TRANSITIONS=99} [2023-08-29 01:50:01,569 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -88 predicate places. [2023-08-29 01:50:01,569 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 99 transitions, 202 flow [2023-08-29 01:50:01,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1246.5) internal successors, (2493), 2 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:01,571 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:01,571 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:50:01,571 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:50:01,571 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:01,577 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:01,577 INFO L85 PathProgramCache]: Analyzing trace with hash 4858266, now seen corresponding path program 1 times [2023-08-29 01:50:01,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:01,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998326975] [2023-08-29 01:50:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:01,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:01,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:01,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:01,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:01,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998326975] [2023-08-29 01:50:01,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998326975] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:01,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:01,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:50:01,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1245862520] [2023-08-29 01:50:01,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:01,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:50:01,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:01,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:50:01,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:50:01,892 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2860 [2023-08-29 01:50:01,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 99 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 1228.0) internal successors, (3684), 3 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:01,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:01,898 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2860 [2023-08-29 01:50:01,898 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:02,432 INFO L130 PetriNetUnfolder]: 248/841 cut-off events. [2023-08-29 01:50:02,432 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:50:02,434 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 841 events. 248/841 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4321 event pairs, 237 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1338. Up to 462 conditions per place. [2023-08-29 01:50:02,437 INFO L137 encePairwiseOnDemand]: 2855/2860 looper letters, 47 selfloop transitions, 3 changer transitions 0/97 dead transitions. [2023-08-29 01:50:02,437 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 298 flow [2023-08-29 01:50:02,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:50:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:50:02,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3733 transitions. [2023-08-29 01:50:02,443 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43508158508158506 [2023-08-29 01:50:02,443 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3733 transitions. [2023-08-29 01:50:02,444 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3733 transitions. [2023-08-29 01:50:02,445 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:02,445 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3733 transitions. [2023-08-29 01:50:02,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1244.3333333333333) internal successors, (3733), 3 states have internal predecessors, (3733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:02,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:02,464 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:02,464 INFO L175 Difference]: Start difference. First operand has 93 places, 99 transitions, 202 flow. Second operand 3 states and 3733 transitions. [2023-08-29 01:50:02,464 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 298 flow [2023-08-29 01:50:02,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 298 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:50:02,468 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 204 flow [2023-08-29 01:50:02,468 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2023-08-29 01:50:02,469 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -88 predicate places. [2023-08-29 01:50:02,469 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 204 flow [2023-08-29 01:50:02,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1228.0) internal successors, (3684), 3 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:02,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:02,471 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:50:02,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:50:02,472 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:02,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:02,472 INFO L85 PathProgramCache]: Analyzing trace with hash 375847252, now seen corresponding path program 1 times [2023-08-29 01:50:02,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:02,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813615524] [2023-08-29 01:50:02,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:02,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:02,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:02,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:02,689 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:02,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813615524] [2023-08-29 01:50:02,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813615524] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:02,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:02,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:50:02,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447834801] [2023-08-29 01:50:02,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:02,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:50:02,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:02,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:50:02,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:50:02,714 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1242 out of 2860 [2023-08-29 01:50:02,719 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 1243.3333333333333) internal successors, (3730), 3 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:02,719 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:02,719 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1242 of 2860 [2023-08-29 01:50:02,719 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:03,040 INFO L130 PetriNetUnfolder]: 246/838 cut-off events. [2023-08-29 01:50:03,040 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:50:03,041 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 838 events. 246/838 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4314 event pairs, 237 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1334. Up to 461 conditions per place. [2023-08-29 01:50:03,043 INFO L137 encePairwiseOnDemand]: 2857/2860 looper letters, 46 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2023-08-29 01:50:03,043 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 94 transitions, 290 flow [2023-08-29 01:50:03,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:50:03,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:50:03,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3775 transitions. [2023-08-29 01:50:03,050 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43997668997669 [2023-08-29 01:50:03,050 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3775 transitions. [2023-08-29 01:50:03,050 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3775 transitions. [2023-08-29 01:50:03,053 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:03,053 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3775 transitions. [2023-08-29 01:50:03,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1258.3333333333333) internal successors, (3775), 3 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,071 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,073 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,074 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 204 flow. Second operand 3 states and 3775 transitions. [2023-08-29 01:50:03,074 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 94 transitions, 290 flow [2023-08-29 01:50:03,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:50:03,078 INFO L231 Difference]: Finished difference. Result has 93 places, 94 transitions, 196 flow [2023-08-29 01:50:03,078 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=93, PETRI_TRANSITIONS=94} [2023-08-29 01:50:03,079 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -88 predicate places. [2023-08-29 01:50:03,079 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 94 transitions, 196 flow [2023-08-29 01:50:03,080 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1243.3333333333333) internal successors, (3730), 3 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,080 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:03,080 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:50:03,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:50:03,081 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:03,081 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:03,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1208220640, now seen corresponding path program 1 times [2023-08-29 01:50:03,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:03,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004328736] [2023-08-29 01:50:03,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:03,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:03,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:03,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:03,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:03,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004328736] [2023-08-29 01:50:03,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004328736] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:03,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:03,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:50:03,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562469680] [2023-08-29 01:50:03,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:03,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:50:03,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:03,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:50:03,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:50:03,226 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2860 [2023-08-29 01:50:03,233 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 94 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 1229.0) internal successors, (3687), 3 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,233 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:03,233 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2860 [2023-08-29 01:50:03,233 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:03,635 INFO L130 PetriNetUnfolder]: 492/1405 cut-off events. [2023-08-29 01:50:03,635 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:50:03,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2332 conditions, 1405 events. 492/1405 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7529 event pairs, 483 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 2328. Up to 883 conditions per place. [2023-08-29 01:50:03,639 INFO L137 encePairwiseOnDemand]: 2854/2860 looper letters, 52 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2023-08-29 01:50:03,640 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 89 transitions, 292 flow [2023-08-29 01:50:03,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:50:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:50:03,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3739 transitions. [2023-08-29 01:50:03,646 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4357808857808858 [2023-08-29 01:50:03,646 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3739 transitions. [2023-08-29 01:50:03,646 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3739 transitions. [2023-08-29 01:50:03,648 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:03,648 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3739 transitions. [2023-08-29 01:50:03,653 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1246.3333333333333) internal successors, (3739), 3 states have internal predecessors, (3739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,662 INFO L175 Difference]: Start difference. First operand has 93 places, 94 transitions, 196 flow. Second operand 3 states and 3739 transitions. [2023-08-29 01:50:03,662 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 89 transitions, 292 flow [2023-08-29 01:50:03,663 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 89 transitions, 291 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:50:03,664 INFO L231 Difference]: Finished difference. Result has 89 places, 89 transitions, 187 flow [2023-08-29 01:50:03,664 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=89, PETRI_TRANSITIONS=89} [2023-08-29 01:50:03,666 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -92 predicate places. [2023-08-29 01:50:03,666 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 89 transitions, 187 flow [2023-08-29 01:50:03,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1229.0) internal successors, (3687), 3 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:03,667 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:03,667 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:50:03,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:50:03,667 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:03,668 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash 683081098, now seen corresponding path program 1 times [2023-08-29 01:50:03,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:03,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242129917] [2023-08-29 01:50:03,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:03,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:04,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:04,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:04,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242129917] [2023-08-29 01:50:04,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242129917] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:04,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:04,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:50:04,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649139066] [2023-08-29 01:50:04,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:04,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:50:04,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:04,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:50:04,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:50:04,893 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1225 out of 2860 [2023-08-29 01:50:04,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 89 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 1227.0) internal successors, (7362), 6 states have internal predecessors, (7362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:04,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:04,897 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1225 of 2860 [2023-08-29 01:50:04,897 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:07,001 INFO L130 PetriNetUnfolder]: 1274/2750 cut-off events. [2023-08-29 01:50:07,001 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:50:07,005 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4936 conditions, 2750 events. 1274/2750 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 17505 event pairs, 455 based on Foata normal form. 0/2621 useless extension candidates. Maximal degree in co-relation 4932. Up to 1181 conditions per place. [2023-08-29 01:50:07,012 INFO L137 encePairwiseOnDemand]: 2851/2860 looper letters, 118 selfloop transitions, 17 changer transitions 0/171 dead transitions. [2023-08-29 01:50:07,012 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 171 transitions, 622 flow [2023-08-29 01:50:07,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:50:07,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:50:07,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7486 transitions. [2023-08-29 01:50:07,047 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43624708624708625 [2023-08-29 01:50:07,048 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7486 transitions. [2023-08-29 01:50:07,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7486 transitions. [2023-08-29 01:50:07,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:07,051 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7486 transitions. [2023-08-29 01:50:07,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1247.6666666666667) internal successors, (7486), 6 states have internal predecessors, (7486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:07,073 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:07,076 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:07,076 INFO L175 Difference]: Start difference. First operand has 89 places, 89 transitions, 187 flow. Second operand 6 states and 7486 transitions. [2023-08-29 01:50:07,076 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 171 transitions, 622 flow [2023-08-29 01:50:07,077 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 171 transitions, 621 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:50:07,079 INFO L231 Difference]: Finished difference. Result has 98 places, 105 transitions, 302 flow [2023-08-29 01:50:07,079 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=302, PETRI_PLACES=98, PETRI_TRANSITIONS=105} [2023-08-29 01:50:07,079 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -83 predicate places. [2023-08-29 01:50:07,079 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 105 transitions, 302 flow [2023-08-29 01:50:07,081 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1227.0) internal successors, (7362), 6 states have internal predecessors, (7362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:07,081 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:07,081 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:50:07,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:50:07,081 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:07,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:07,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1437748158, now seen corresponding path program 1 times [2023-08-29 01:50:07,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:07,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927653467] [2023-08-29 01:50:07,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:07,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:07,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:07,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:07,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927653467] [2023-08-29 01:50:07,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [927653467] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:07,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:07,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:50:07,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922967628] [2023-08-29 01:50:07,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:07,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:50:07,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:50:07,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:50:08,122 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1206 out of 2860 [2023-08-29 01:50:08,126 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 105 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 1208.0) internal successors, (7248), 6 states have internal predecessors, (7248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:08,127 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:08,127 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1206 of 2860 [2023-08-29 01:50:08,127 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:11,340 INFO L130 PetriNetUnfolder]: 1809/3771 cut-off events. [2023-08-29 01:50:11,340 INFO L131 PetriNetUnfolder]: For 1998/2148 co-relation queries the response was YES. [2023-08-29 01:50:11,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9486 conditions, 3771 events. 1809/3771 cut-off events. For 1998/2148 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 24167 event pairs, 254 based on Foata normal form. 0/3578 useless extension candidates. Maximal degree in co-relation 9478. Up to 1809 conditions per place. [2023-08-29 01:50:11,357 INFO L137 encePairwiseOnDemand]: 2833/2860 looper letters, 112 selfloop transitions, 65 changer transitions 0/203 dead transitions. [2023-08-29 01:50:11,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 203 transitions, 1022 flow [2023-08-29 01:50:11,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:50:11,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:50:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7369 transitions. [2023-08-29 01:50:11,368 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4294289044289044 [2023-08-29 01:50:11,368 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7369 transitions. [2023-08-29 01:50:11,368 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7369 transitions. [2023-08-29 01:50:11,371 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:11,371 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7369 transitions. [2023-08-29 01:50:11,379 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1228.1666666666667) internal successors, (7369), 6 states have internal predecessors, (7369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:11,411 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:11,414 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:11,414 INFO L175 Difference]: Start difference. First operand has 98 places, 105 transitions, 302 flow. Second operand 6 states and 7369 transitions. [2023-08-29 01:50:11,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 203 transitions, 1022 flow [2023-08-29 01:50:11,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 203 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:50:11,426 INFO L231 Difference]: Finished difference. Result has 108 places, 169 transitions, 928 flow [2023-08-29 01:50:11,426 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=928, PETRI_PLACES=108, PETRI_TRANSITIONS=169} [2023-08-29 01:50:11,428 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -73 predicate places. [2023-08-29 01:50:11,428 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 169 transitions, 928 flow [2023-08-29 01:50:11,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1208.0) internal successors, (7248), 6 states have internal predecessors, (7248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:11,430 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:11,430 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:50:11,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:50:11,430 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:11,430 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:11,430 INFO L85 PathProgramCache]: Analyzing trace with hash -152104168, now seen corresponding path program 1 times [2023-08-29 01:50:11,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:11,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643246678] [2023-08-29 01:50:11,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:11,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:11,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:12,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:12,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:12,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643246678] [2023-08-29 01:50:12,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643246678] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:12,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:12,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 01:50:12,730 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777962968] [2023-08-29 01:50:12,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:12,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 01:50:12,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:12,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 01:50:12,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-08-29 01:50:13,401 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1224 out of 2860 [2023-08-29 01:50:13,406 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 169 transitions, 928 flow. Second operand has 9 states, 9 states have (on average 1225.6666666666667) internal successors, (11031), 9 states have internal predecessors, (11031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:13,406 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:13,406 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1224 of 2860 [2023-08-29 01:50:13,406 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:15,910 INFO L130 PetriNetUnfolder]: 2025/4102 cut-off events. [2023-08-29 01:50:15,910 INFO L131 PetriNetUnfolder]: For 4456/4878 co-relation queries the response was YES. [2023-08-29 01:50:15,918 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12868 conditions, 4102 events. 2025/4102 cut-off events. For 4456/4878 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 27080 event pairs, 340 based on Foata normal form. 210/4189 useless extension candidates. Maximal degree in co-relation 12855. Up to 1000 conditions per place. [2023-08-29 01:50:15,935 INFO L137 encePairwiseOnDemand]: 2850/2860 looper letters, 205 selfloop transitions, 27 changer transitions 0/283 dead transitions. [2023-08-29 01:50:15,935 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 283 transitions, 1879 flow [2023-08-29 01:50:15,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 01:50:15,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 01:50:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9928 transitions. [2023-08-29 01:50:15,946 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43391608391608394 [2023-08-29 01:50:15,946 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9928 transitions. [2023-08-29 01:50:15,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9928 transitions. [2023-08-29 01:50:15,949 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:15,949 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9928 transitions. [2023-08-29 01:50:15,959 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1241.0) internal successors, (9928), 8 states have internal predecessors, (9928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:15,971 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2860.0) internal successors, (25740), 9 states have internal predecessors, (25740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:15,975 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2860.0) internal successors, (25740), 9 states have internal predecessors, (25740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:15,975 INFO L175 Difference]: Start difference. First operand has 108 places, 169 transitions, 928 flow. Second operand 8 states and 9928 transitions. [2023-08-29 01:50:15,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 283 transitions, 1879 flow [2023-08-29 01:50:15,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 283 transitions, 1879 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:50:15,989 INFO L231 Difference]: Finished difference. Result has 120 places, 181 transitions, 1120 flow [2023-08-29 01:50:15,989 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1120, PETRI_PLACES=120, PETRI_TRANSITIONS=181} [2023-08-29 01:50:15,990 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -61 predicate places. [2023-08-29 01:50:15,990 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 181 transitions, 1120 flow [2023-08-29 01:50:15,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1225.6666666666667) internal successors, (11031), 9 states have internal predecessors, (11031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:15,992 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:15,992 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] [2023-08-29 01:50:15,992 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:50:15,992 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:15,992 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash -238957838, now seen corresponding path program 1 times [2023-08-29 01:50:15,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:15,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033677] [2023-08-29 01:50:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:16,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:16,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:16,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033677] [2023-08-29 01:50:16,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033677] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:16,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:16,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 01:50:16,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863556881] [2023-08-29 01:50:16,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:16,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:50:16,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:16,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:50:16,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:50:17,531 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1205 out of 2860 [2023-08-29 01:50:17,536 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 181 transitions, 1120 flow. Second operand has 8 states, 8 states have (on average 1207.125) internal successors, (9657), 8 states have internal predecessors, (9657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:17,536 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:17,536 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1205 of 2860 [2023-08-29 01:50:17,536 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:19,077 INFO L130 PetriNetUnfolder]: 1715/3536 cut-off events. [2023-08-29 01:50:19,077 INFO L131 PetriNetUnfolder]: For 7436/7766 co-relation queries the response was YES. [2023-08-29 01:50:19,085 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12736 conditions, 3536 events. 1715/3536 cut-off events. For 7436/7766 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 22129 event pairs, 416 based on Foata normal form. 138/3522 useless extension candidates. Maximal degree in co-relation 12717. Up to 2016 conditions per place. [2023-08-29 01:50:19,093 INFO L137 encePairwiseOnDemand]: 2850/2860 looper letters, 176 selfloop transitions, 26 changer transitions 0/232 dead transitions. [2023-08-29 01:50:19,093 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 232 transitions, 1852 flow [2023-08-29 01:50:19,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 01:50:19,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 01:50:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8530 transitions. [2023-08-29 01:50:19,103 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4260739260739261 [2023-08-29 01:50:19,103 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 8530 transitions. [2023-08-29 01:50:19,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8530 transitions. [2023-08-29 01:50:19,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:19,105 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 8530 transitions. [2023-08-29 01:50:19,112 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 1218.5714285714287) internal successors, (8530), 7 states have internal predecessors, (8530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:19,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 2860.0) internal successors, (22880), 8 states have internal predecessors, (22880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:19,124 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 2860.0) internal successors, (22880), 8 states have internal predecessors, (22880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:19,124 INFO L175 Difference]: Start difference. First operand has 120 places, 181 transitions, 1120 flow. Second operand 7 states and 8530 transitions. [2023-08-29 01:50:19,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 232 transitions, 1852 flow [2023-08-29 01:50:19,136 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 232 transitions, 1840 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-29 01:50:19,140 INFO L231 Difference]: Finished difference. Result has 120 places, 177 transitions, 1144 flow [2023-08-29 01:50:19,140 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1144, PETRI_PLACES=120, PETRI_TRANSITIONS=177} [2023-08-29 01:50:19,142 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -61 predicate places. [2023-08-29 01:50:19,142 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 177 transitions, 1144 flow [2023-08-29 01:50:19,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1207.125) internal successors, (9657), 8 states have internal predecessors, (9657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:19,144 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:19,144 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] [2023-08-29 01:50:19,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:50:19,144 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:19,145 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:19,145 INFO L85 PathProgramCache]: Analyzing trace with hash -472183310, now seen corresponding path program 1 times [2023-08-29 01:50:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:19,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399442607] [2023-08-29 01:50:19,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:19,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:19,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:19,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:19,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399442607] [2023-08-29 01:50:19,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399442607] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:19,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:19,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:50:19,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920646210] [2023-08-29 01:50:19,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:19,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:50:19,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:19,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:50:19,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:50:19,530 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1181 out of 2860 [2023-08-29 01:50:19,531 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 177 transitions, 1144 flow. Second operand has 3 states, 3 states have (on average 1192.3333333333333) internal successors, (3577), 3 states have internal predecessors, (3577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:19,531 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:19,532 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1181 of 2860 [2023-08-29 01:50:19,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:21,328 INFO L130 PetriNetUnfolder]: 3566/6287 cut-off events. [2023-08-29 01:50:21,328 INFO L131 PetriNetUnfolder]: For 16889/16899 co-relation queries the response was YES. [2023-08-29 01:50:21,340 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24232 conditions, 6287 events. 3566/6287 cut-off events. For 16889/16899 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 36860 event pairs, 1905 based on Foata normal form. 0/6113 useless extension candidates. Maximal degree in co-relation 24213. Up to 5812 conditions per place. [2023-08-29 01:50:21,357 INFO L137 encePairwiseOnDemand]: 2850/2860 looper letters, 151 selfloop transitions, 40 changer transitions 0/204 dead transitions. [2023-08-29 01:50:21,357 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 204 transitions, 1694 flow [2023-08-29 01:50:21,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:50:21,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:50:21,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3631 transitions. [2023-08-29 01:50:21,362 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42319347319347317 [2023-08-29 01:50:21,362 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3631 transitions. [2023-08-29 01:50:21,363 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3631 transitions. [2023-08-29 01:50:21,363 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:21,363 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3631 transitions. [2023-08-29 01:50:21,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1210.3333333333333) internal successors, (3631), 3 states have internal predecessors, (3631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:21,370 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:21,371 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:21,371 INFO L175 Difference]: Start difference. First operand has 120 places, 177 transitions, 1144 flow. Second operand 3 states and 3631 transitions. [2023-08-29 01:50:21,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 204 transitions, 1694 flow [2023-08-29 01:50:21,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 204 transitions, 1624 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 01:50:21,418 INFO L231 Difference]: Finished difference. Result has 117 places, 199 transitions, 1436 flow [2023-08-29 01:50:21,419 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1436, PETRI_PLACES=117, PETRI_TRANSITIONS=199} [2023-08-29 01:50:21,419 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -64 predicate places. [2023-08-29 01:50:21,419 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 199 transitions, 1436 flow [2023-08-29 01:50:21,420 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1192.3333333333333) internal successors, (3577), 3 states have internal predecessors, (3577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:21,420 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:21,420 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] [2023-08-29 01:50:21,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:50:21,420 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_setErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:21,421 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:21,421 INFO L85 PathProgramCache]: Analyzing trace with hash -791599530, now seen corresponding path program 1 times [2023-08-29 01:50:21,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:21,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499649321] [2023-08-29 01:50:21,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:21,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:21,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:21,629 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:21,629 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499649321] [2023-08-29 01:50:21,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499649321] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:21,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:21,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:50:21,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596855147] [2023-08-29 01:50:21,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:21,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:50:21,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:21,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:50:21,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:50:21,784 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2860 [2023-08-29 01:50:21,785 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 199 transitions, 1436 flow. Second operand has 3 states, 3 states have (on average 1233.6666666666667) internal successors, (3701), 3 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:21,785 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:21,785 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2860 [2023-08-29 01:50:21,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:22,767 INFO L130 PetriNetUnfolder]: 1601/3582 cut-off events. [2023-08-29 01:50:22,767 INFO L131 PetriNetUnfolder]: For 9765/10251 co-relation queries the response was YES. [2023-08-29 01:50:22,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13477 conditions, 3582 events. 1601/3582 cut-off events. For 9765/10251 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 23631 event pairs, 375 based on Foata normal form. 27/3483 useless extension candidates. Maximal degree in co-relation 13458. Up to 1857 conditions per place. [2023-08-29 01:50:22,784 INFO L137 encePairwiseOnDemand]: 2855/2860 looper letters, 135 selfloop transitions, 12 changer transitions 0/217 dead transitions. [2023-08-29 01:50:22,784 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 217 transitions, 1843 flow [2023-08-29 01:50:22,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:50:22,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:50:22,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3741 transitions. [2023-08-29 01:50:22,789 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.436013986013986 [2023-08-29 01:50:22,789 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3741 transitions. [2023-08-29 01:50:22,789 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3741 transitions. [2023-08-29 01:50:22,790 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:22,790 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3741 transitions. [2023-08-29 01:50:22,793 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1247.0) internal successors, (3741), 3 states have internal predecessors, (3741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:22,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:22,797 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:22,798 INFO L175 Difference]: Start difference. First operand has 117 places, 199 transitions, 1436 flow. Second operand 3 states and 3741 transitions. [2023-08-29 01:50:22,798 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 217 transitions, 1843 flow [2023-08-29 01:50:22,816 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 217 transitions, 1743 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-08-29 01:50:22,819 INFO L231 Difference]: Finished difference. Result has 119 places, 210 transitions, 1504 flow [2023-08-29 01:50:22,819 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1504, PETRI_PLACES=119, PETRI_TRANSITIONS=210} [2023-08-29 01:50:22,819 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -62 predicate places. [2023-08-29 01:50:22,820 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 210 transitions, 1504 flow [2023-08-29 01:50:22,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1233.6666666666667) internal successors, (3701), 3 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:22,820 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:22,820 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] [2023-08-29 01:50:22,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:50:22,821 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:22,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:22,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1974960400, now seen corresponding path program 1 times [2023-08-29 01:50:22,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:22,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566337032] [2023-08-29 01:50:22,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:22,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:23,280 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:23,281 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:23,281 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566337032] [2023-08-29 01:50:23,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566337032] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:23,281 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:50:23,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:50:23,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453213398] [2023-08-29 01:50:23,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:23,282 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:50:23,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:23,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:50:23,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:50:23,318 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1238 out of 2860 [2023-08-29 01:50:23,320 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 210 transitions, 1504 flow. Second operand has 3 states, 3 states have (on average 1244.6666666666667) internal successors, (3734), 3 states have internal predecessors, (3734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:23,320 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:23,320 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1238 of 2860 [2023-08-29 01:50:23,320 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:24,375 INFO L130 PetriNetUnfolder]: 1578/3572 cut-off events. [2023-08-29 01:50:24,375 INFO L131 PetriNetUnfolder]: For 10395/10894 co-relation queries the response was YES. [2023-08-29 01:50:24,385 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13818 conditions, 3572 events. 1578/3572 cut-off events. For 10395/10894 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 23628 event pairs, 410 based on Foata normal form. 22/3437 useless extension candidates. Maximal degree in co-relation 13798. Up to 1960 conditions per place. [2023-08-29 01:50:24,394 INFO L137 encePairwiseOnDemand]: 2856/2860 looper letters, 137 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-08-29 01:50:24,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 211 transitions, 1784 flow [2023-08-29 01:50:24,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:50:24,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:50:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3764 transitions. [2023-08-29 01:50:24,400 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4386946386946387 [2023-08-29 01:50:24,400 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3764 transitions. [2023-08-29 01:50:24,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3764 transitions. [2023-08-29 01:50:24,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:24,401 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3764 transitions. [2023-08-29 01:50:24,405 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1254.6666666666667) internal successors, (3764), 3 states have internal predecessors, (3764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:24,410 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:24,410 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:24,411 INFO L175 Difference]: Start difference. First operand has 119 places, 210 transitions, 1504 flow. Second operand 3 states and 3764 transitions. [2023-08-29 01:50:24,411 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 211 transitions, 1784 flow [2023-08-29 01:50:24,429 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 211 transitions, 1740 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-08-29 01:50:24,431 INFO L231 Difference]: Finished difference. Result has 120 places, 211 transitions, 1474 flow [2023-08-29 01:50:24,432 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1460, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=120, PETRI_TRANSITIONS=211} [2023-08-29 01:50:24,432 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -61 predicate places. [2023-08-29 01:50:24,432 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 211 transitions, 1474 flow [2023-08-29 01:50:24,433 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1244.6666666666667) internal successors, (3734), 3 states have internal predecessors, (3734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:24,433 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:24,433 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] [2023-08-29 01:50:24,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 01:50:24,433 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:24,433 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:24,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1472554367, now seen corresponding path program 1 times [2023-08-29 01:50:24,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:24,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126825362] [2023-08-29 01:50:24,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:24,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:24,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:24,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:24,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:24,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126825362] [2023-08-29 01:50:24,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126825362] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:50:24,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1286891538] [2023-08-29 01:50:24,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:24,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:50:24,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:50:24,799 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:50:24,829 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 01:50:25,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:25,487 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 98 conjunts are in the unsatisfiable core [2023-08-29 01:50:25,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:50:25,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:25,880 INFO L217 Elim1Store]: Index analysis took 129 ms [2023-08-29 01:50:32,037 WARN L222 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 1085 DAG size of output: 336 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 01:50:32,043 INFO L321 Elim1Store]: treesize reduction 8254, result has 9.0 percent of original size [2023-08-29 01:50:32,044 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 26 case distinctions, treesize of input 104 treesize of output 848 [2023-08-29 01:50:35,220 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 01:50:35,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2023-08-29 01:50:35,327 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-08-29 01:50:35,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-29 01:50:35,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 01:50:35,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 01:50:35,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1286891538] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:50:35,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 01:50:35,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2023-08-29 01:50:35,355 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729525037] [2023-08-29 01:50:35,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:50:35,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:50:35,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:50:35,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:50:35,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:50:35,777 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1172 out of 2860 [2023-08-29 01:50:35,780 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 211 transitions, 1474 flow. Second operand has 6 states, 6 states have (on average 1178.5) internal successors, (7071), 6 states have internal predecessors, (7071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:35,780 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:50:35,780 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1172 of 2860 [2023-08-29 01:50:35,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:50:37,528 INFO L130 PetriNetUnfolder]: 3667/6483 cut-off events. [2023-08-29 01:50:37,528 INFO L131 PetriNetUnfolder]: For 22953/22981 co-relation queries the response was YES. [2023-08-29 01:50:37,541 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27777 conditions, 6483 events. 3667/6483 cut-off events. For 22953/22981 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 37908 event pairs, 1809 based on Foata normal form. 0/6321 useless extension candidates. Maximal degree in co-relation 27756. Up to 5834 conditions per place. [2023-08-29 01:50:37,561 INFO L137 encePairwiseOnDemand]: 2851/2860 looper letters, 178 selfloop transitions, 44 changer transitions 0/235 dead transitions. [2023-08-29 01:50:37,562 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 235 transitions, 2119 flow [2023-08-29 01:50:37,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:50:37,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:50:37,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5948 transitions. [2023-08-29 01:50:37,568 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4159440559440559 [2023-08-29 01:50:37,568 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5948 transitions. [2023-08-29 01:50:37,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5948 transitions. [2023-08-29 01:50:37,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:50:37,570 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5948 transitions. [2023-08-29 01:50:37,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1189.6) internal successors, (5948), 5 states have internal predecessors, (5948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:37,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2860.0) internal successors, (17160), 6 states have internal predecessors, (17160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:37,581 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2860.0) internal successors, (17160), 6 states have internal predecessors, (17160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:37,581 INFO L175 Difference]: Start difference. First operand has 120 places, 211 transitions, 1474 flow. Second operand 5 states and 5948 transitions. [2023-08-29 01:50:37,581 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 235 transitions, 2119 flow [2023-08-29 01:50:37,617 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 235 transitions, 2115 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 01:50:37,620 INFO L231 Difference]: Finished difference. Result has 125 places, 223 transitions, 1790 flow [2023-08-29 01:50:37,620 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1790, PETRI_PLACES=125, PETRI_TRANSITIONS=223} [2023-08-29 01:50:37,621 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -56 predicate places. [2023-08-29 01:50:37,621 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 223 transitions, 1790 flow [2023-08-29 01:50:37,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1178.5) internal successors, (7071), 6 states have internal predecessors, (7071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:50:37,622 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:50:37,622 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:50:37,635 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 01:50:37,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-29 01:50:37,833 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 01:50:37,833 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:50:37,833 INFO L85 PathProgramCache]: Analyzing trace with hash -4069259, now seen corresponding path program 1 times [2023-08-29 01:50:37,833 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:50:37,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86108284] [2023-08-29 01:50:37,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:37,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:50:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:38,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:50:38,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:50:38,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86108284] [2023-08-29 01:50:38,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86108284] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:50:38,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1251600650] [2023-08-29 01:50:38,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:50:38,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:50:38,257 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:50:38,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:50:38,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 01:50:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:50:38,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 538 conjunts are in the unsatisfiable core [2023-08-29 01:50:38,999 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:50:39,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:50:39,751 INFO L217 Elim1Store]: Index analysis took 102 ms [2023-08-29 01:50:49,035 WARN L222 SmtUtils]: Spent 9.24s on a formula simplification. DAG size of input: 1660 DAG size of output: 224 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 01:50:49,036 INFO L321 Elim1Store]: treesize reduction 11544, result has 3.3 percent of original size [2023-08-29 01:50:49,037 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 17 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 257 case distinctions, treesize of input 983 treesize of output 1268 [2023-08-29 01:51:08,011 INFO L321 Elim1Store]: treesize reduction 8, result has 99.2 percent of original size [2023-08-29 01:51:08,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 1 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 119 case distinctions, treesize of input 310 treesize of output 1220 Killed by 15