./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_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_current_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 fe55b2f9c4aab8ef897b3db507488ea7950c808c5052f30fdbd219f5b35357b3 --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 01:42:55,944 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 01:42:55,946 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 01:42:55,988 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 01:42:55,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 01:42:55,993 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 01:42:55,995 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 01:42:55,998 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 01:42:56,000 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 01:42:56,004 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 01:42:56,005 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 01:42:56,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 01:42:56,009 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 01:42:56,011 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 01:42:56,012 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 01:42:56,018 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 01:42:56,019 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 01:42:56,019 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 01:42:56,021 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 01:42:56,023 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 01:42:56,024 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 01:42:56,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 01:42:56,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 01:42:56,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 01:42:56,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 01:42:56,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 01:42:56,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 01:42:56,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 01:42:56,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 01:42:56,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 01:42:56,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 01:42:56,047 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 01:42:56,047 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 01:42:56,049 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 01:42:56,050 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 01:42:56,051 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 01:42:56,051 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 01:42:56,051 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 01:42:56,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 01:42:56,052 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 01:42:56,053 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 01:42:56,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 01:42:56,092 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 01:42:56,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 01:42:56,093 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 01:42:56,094 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 01:42:56,094 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 01:42:56,095 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 01:42:56,095 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 01:42:56,095 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 01:42:56,095 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 01:42:56,096 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 01:42:56,097 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 01:42:56,097 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 01:42:56,097 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 01:42:56,097 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 01:42:56,097 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 01:42:56,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 01:42:56,098 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 01:42:56,098 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 01:42:56,098 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 01:42:56,098 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 01:42:56,098 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 01:42:56,098 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 01:42:56,099 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 01:42:56,099 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 01:42:56,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 01:42:56,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 01:42:56,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:42:56,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 01:42:56,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 01:42:56,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 01:42:56,100 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 01:42:56,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 01:42:56,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 01:42:56,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 01:42:56,101 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 01:42:56,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 01:42:56,101 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 01:42:56,101 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe55b2f9c4aab8ef897b3db507488ea7950c808c5052f30fdbd219f5b35357b3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-29 01:42:56,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 01:42:56,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 01:42:56,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 01:42:56,406 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 01:42:56,406 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 01:42:56,407 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-08-29 01:42:57,634 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 01:42:58,122 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 01:42:58,123 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-08-29 01:42:58,178 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41eca2a4/10e31eaea90a4999aabc42e97a4ec375/FLAGf15b1f07e [2023-08-29 01:42:58,198 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f41eca2a4/10e31eaea90a4999aabc42e97a4ec375 [2023-08-29 01:42:58,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 01:42:58,202 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 01:42:58,205 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 01:42:58,205 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 01:42:58,208 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 01:42:58,209 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:42:58" (1/1) ... [2023-08-29 01:42:58,211 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40aa3514 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:42:58, skipping insertion in model container [2023-08-29 01:42:58,211 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 01:42:58" (1/1) ... [2023-08-29 01:42:58,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 01:42:58,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 01:42:58,669 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2023-08-29 01:43:01,530 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:43:02,063 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:02,066 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:02,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:43:02,171 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 01:43:02,193 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i[5469,5482] [2023-08-29 01:43:02,516 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 01:43:02,619 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:02,633 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 01:43:02,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 01:43:03,217 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,217 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,217 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,217 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,218 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,218 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,218 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 01:43:03,224 INFO L208 MainTranslator]: Completed translation [2023-08-29 01:43:03,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03 WrapperNode [2023-08-29 01:43:03,224 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 01:43:03,225 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 01:43:03,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 01:43:03,226 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 01:43:03,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,423 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 974 [2023-08-29 01:43:03,424 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 01:43:03,425 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 01:43:03,425 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 01:43:03,425 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 01:43:03,439 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,451 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,504 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 01:43:03,553 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 01:43:03,554 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 01:43:03,554 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 01:43:03,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (1/1) ... [2023-08-29 01:43:03,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 01:43:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:43:03,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 01:43:03,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 01:43:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 01:43:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 01:43:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 01:43:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 01:43:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 01:43:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-29 01:43:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 01:43:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 01:43:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 01:43:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 01:43:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 01:43:03,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 01:43:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 01:43:03,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 01:43:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:43:03,640 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 01:43:03,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 01:43:03,642 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 01:43:04,159 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 01:43:04,169 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 01:43:05,108 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 01:43:05,119 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 01:43:05,119 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-29 01:43:05,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:43:05 BoogieIcfgContainer [2023-08-29 01:43:05,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 01:43:05,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 01:43:05,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 01:43:05,132 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 01:43:05,132 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 01:42:58" (1/3) ... [2023-08-29 01:43:05,132 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb381b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:43:05, skipping insertion in model container [2023-08-29 01:43:05,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 01:43:03" (2/3) ... [2023-08-29 01:43:05,134 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7bb381b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 01:43:05, skipping insertion in model container [2023-08-29 01:43:05,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 01:43:05" (3/3) ... [2023-08-29 01:43:05,135 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_set.i [2023-08-29 01:43:05,142 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 01:43:05,149 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 01:43:05,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 86 error locations. [2023-08-29 01:43:05,151 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 01:43:05,385 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 01:43:05,434 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1073 places, 1118 transitions, 2252 flow [2023-08-29 01:43:05,819 INFO L130 PetriNetUnfolder]: 52/1116 cut-off events. [2023-08-29 01:43:05,819 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 01:43:05,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1125 conditions, 1116 events. 52/1116 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1546 event pairs, 0 based on Foata normal form. 0/978 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:43:05,829 INFO L82 GeneralOperation]: Start removeDead. Operand has 1073 places, 1118 transitions, 2252 flow [2023-08-29 01:43:05,840 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1063 places, 1108 transitions, 2225 flow [2023-08-29 01:43:05,844 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 01:43:05,852 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1063 places, 1108 transitions, 2225 flow [2023-08-29 01:43:05,855 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1063 places, 1108 transitions, 2225 flow [2023-08-29 01:43:05,855 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1063 places, 1108 transitions, 2225 flow [2023-08-29 01:43:06,076 INFO L130 PetriNetUnfolder]: 52/1108 cut-off events. [2023-08-29 01:43:06,077 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 01:43:06,080 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1116 conditions, 1108 events. 52/1108 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1486 event pairs, 0 based on Foata normal form. 0/970 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 01:43:06,089 INFO L119 LiptonReduction]: Number of co-enabled transitions 19638 [2023-08-29 01:44:48,454 WARN L222 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 301 DAG size of output: 294 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:44:59,554 WARN L222 SmtUtils]: Spent 8.45s on a formula simplification. DAG size of input: 322 DAG size of output: 315 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:45:11,532 WARN L222 SmtUtils]: Spent 7.90s 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 01:45:20,085 WARN L222 SmtUtils]: Spent 8.55s 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 01:45:28,933 WARN L222 SmtUtils]: Spent 8.85s 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 01:45:36,544 WARN L222 SmtUtils]: Spent 7.61s 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 01:47:30,620 WARN L222 SmtUtils]: Spent 1.90m on a formula simplification. DAG size of input: 644 DAG size of output: 642 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:48:19,240 WARN L222 SmtUtils]: Spent 48.60s 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 01:50:44,790 WARN L222 SmtUtils]: Spent 2.43m on a formula simplification. DAG size of input: 647 DAG size of output: 645 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 01:51:50,951 WARN L222 SmtUtils]: Spent 1.10m 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 01:51:51,032 INFO L134 LiptonReduction]: Checked pairs total: 75869 [2023-08-29 01:51:51,032 INFO L136 LiptonReduction]: Total number of compositions: 1353 [2023-08-29 01:51:51,045 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 01:51:51,049 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;@736ab4c5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 01:51:51,049 INFO L358 AbstractCegarLoop]: Starting to check reachability of 103 error locations. [2023-08-29 01:51:51,051 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 01:51:51,051 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:51:51,051 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:51,052 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 01:51:51,052 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:51,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:51,056 INFO L85 PathProgramCache]: Analyzing trace with hash 3996, now seen corresponding path program 1 times [2023-08-29 01:51:51,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:51,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970894369] [2023-08-29 01:51:51,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:51,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:51,206 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 01:51:51,207 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:51,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970894369] [2023-08-29 01:51:51,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970894369] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:51,208 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:51,208 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 01:51:51,209 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180198512] [2023-08-29 01:51:51,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:51,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 01:51:51,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:51,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 01:51:51,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 01:51:51,242 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1082 out of 2471 [2023-08-29 01:51:51,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 165 places, 180 transitions, 369 flow. Second operand has 2 states, 2 states have (on average 1082.5) internal successors, (2165), 2 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:51,248 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:51,248 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1082 of 2471 [2023-08-29 01:51:51,249 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:51:51,762 INFO L130 PetriNetUnfolder]: 344/1093 cut-off events. [2023-08-29 01:51:51,763 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2023-08-29 01:51:51,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1766 conditions, 1093 events. 344/1093 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5955 event pairs, 333 based on Foata normal form. 47/1108 useless extension candidates. Maximal degree in co-relation 1612. Up to 629 conditions per place. [2023-08-29 01:51:51,770 INFO L137 encePairwiseOnDemand]: 2389/2471 looper letters, 52 selfloop transitions, 0 changer transitions 0/98 dead transitions. [2023-08-29 01:51:51,770 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 98 transitions, 309 flow [2023-08-29 01:51:51,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 01:51:51,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 01:51:51,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2298 transitions. [2023-08-29 01:51:51,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4649939295831647 [2023-08-29 01:51:51,790 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2298 transitions. [2023-08-29 01:51:51,791 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2298 transitions. [2023-08-29 01:51:51,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:51:51,796 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2298 transitions. [2023-08-29 01:51:51,804 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1149.0) internal successors, (2298), 2 states have internal predecessors, (2298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:51,816 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2471.0) internal successors, (7413), 3 states have internal predecessors, (7413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:51,820 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2471.0) internal successors, (7413), 3 states have internal predecessors, (7413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:51,821 INFO L175 Difference]: Start difference. First operand has 165 places, 180 transitions, 369 flow. Second operand 2 states and 2298 transitions. [2023-08-29 01:51:51,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 98 transitions, 309 flow [2023-08-29 01:51:51,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 98 transitions, 304 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:51:51,828 INFO L231 Difference]: Finished difference. Result has 92 places, 98 transitions, 200 flow [2023-08-29 01:51:51,829 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=98, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=200, PETRI_PLACES=92, PETRI_TRANSITIONS=98} [2023-08-29 01:51:51,832 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -73 predicate places. [2023-08-29 01:51:51,832 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 98 transitions, 200 flow [2023-08-29 01:51:51,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1082.5) internal successors, (2165), 2 states have internal predecessors, (2165), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:51,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:51,834 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 01:51:51,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 01:51:51,835 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:51,835 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:51,835 INFO L85 PathProgramCache]: Analyzing trace with hash 4026342, now seen corresponding path program 1 times [2023-08-29 01:51:51,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:51,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646999668] [2023-08-29 01:51:51,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:51,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:52,263 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 01:51:52,263 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:52,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646999668] [2023-08-29 01:51:52,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [646999668] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:52,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:52,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:51:52,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530612471] [2023-08-29 01:51:52,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:52,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:51:52,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:52,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:51:52,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:51:52,291 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 2471 [2023-08-29 01:51:52,294 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 98 transitions, 200 flow. Second operand has 3 states, 3 states have (on average 1064.0) internal successors, (3192), 3 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:52,294 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:52,295 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 2471 [2023-08-29 01:51:52,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:51:52,883 INFO L130 PetriNetUnfolder]: 344/1091 cut-off events. [2023-08-29 01:51:52,883 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:51:52,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1755 conditions, 1091 events. 344/1091 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5932 event pairs, 333 based on Foata normal form. 0/1059 useless extension candidates. Maximal degree in co-relation 1752. Up to 626 conditions per place. [2023-08-29 01:51:52,891 INFO L137 encePairwiseOnDemand]: 2466/2471 looper letters, 49 selfloop transitions, 3 changer transitions 0/96 dead transitions. [2023-08-29 01:51:52,892 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 96 transitions, 300 flow [2023-08-29 01:51:52,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:51:52,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:51:52,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3243 transitions. [2023-08-29 01:51:52,900 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4374747065965196 [2023-08-29 01:51:52,900 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3243 transitions. [2023-08-29 01:51:52,900 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3243 transitions. [2023-08-29 01:51:52,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:51:52,902 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3243 transitions. [2023-08-29 01:51:52,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1081.0) internal successors, (3243), 3 states have internal predecessors, (3243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:52,921 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:52,926 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:52,927 INFO L175 Difference]: Start difference. First operand has 92 places, 98 transitions, 200 flow. Second operand 3 states and 3243 transitions. [2023-08-29 01:51:52,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 96 transitions, 300 flow [2023-08-29 01:51:52,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 96 transitions, 300 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:51:52,931 INFO L231 Difference]: Finished difference. Result has 92 places, 96 transitions, 202 flow [2023-08-29 01:51:52,931 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=202, PETRI_PLACES=92, PETRI_TRANSITIONS=96} [2023-08-29 01:51:52,932 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -73 predicate places. [2023-08-29 01:51:52,932 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 96 transitions, 202 flow [2023-08-29 01:51:52,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1064.0) internal successors, (3192), 3 states have internal predecessors, (3192), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:52,935 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:52,935 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 01:51:52,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 01:51:52,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:52,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:52,938 INFO L85 PathProgramCache]: Analyzing trace with hash -423120256, now seen corresponding path program 1 times [2023-08-29 01:51:52,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:52,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1960411858] [2023-08-29 01:51:52,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:53,284 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 01:51:53,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:53,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1960411858] [2023-08-29 01:51:53,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1960411858] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:53,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:53,285 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:51:53,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171928517] [2023-08-29 01:51:53,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:53,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:51:53,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:53,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:51:53,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:51:53,314 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1078 out of 2471 [2023-08-29 01:51:53,317 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 96 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 1079.3333333333333) internal successors, (3238), 3 states have internal predecessors, (3238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:53,318 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:53,318 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1078 of 2471 [2023-08-29 01:51:53,318 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:51:53,711 INFO L130 PetriNetUnfolder]: 342/1088 cut-off events. [2023-08-29 01:51:53,711 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:51:53,713 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1752 conditions, 1088 events. 342/1088 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 5908 event pairs, 333 based on Foata normal form. 0/1059 useless extension candidates. Maximal degree in co-relation 1748. Up to 625 conditions per place. [2023-08-29 01:51:53,717 INFO L137 encePairwiseOnDemand]: 2468/2471 looper letters, 48 selfloop transitions, 1 changer transitions 0/93 dead transitions. [2023-08-29 01:51:53,718 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 93 transitions, 292 flow [2023-08-29 01:51:53,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:51:53,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:51:53,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3285 transitions. [2023-08-29 01:51:53,726 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44314042897612305 [2023-08-29 01:51:53,727 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3285 transitions. [2023-08-29 01:51:53,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3285 transitions. [2023-08-29 01:51:53,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:51:53,729 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3285 transitions. [2023-08-29 01:51:53,735 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1095.0) internal successors, (3285), 3 states have internal predecessors, (3285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:53,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:53,751 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:53,751 INFO L175 Difference]: Start difference. First operand has 92 places, 96 transitions, 202 flow. Second operand 3 states and 3285 transitions. [2023-08-29 01:51:53,751 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 93 transitions, 292 flow [2023-08-29 01:51:53,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 92 places, 93 transitions, 290 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:51:53,755 INFO L231 Difference]: Finished difference. Result has 92 places, 93 transitions, 194 flow [2023-08-29 01:51:53,755 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=90, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=194, PETRI_PLACES=92, PETRI_TRANSITIONS=93} [2023-08-29 01:51:53,757 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -73 predicate places. [2023-08-29 01:51:53,757 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 93 transitions, 194 flow [2023-08-29 01:51:53,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1079.3333333333333) internal successors, (3238), 3 states have internal predecessors, (3238), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:53,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:53,761 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 01:51:53,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 01:51:53,761 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:53,762 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:53,762 INFO L85 PathProgramCache]: Analyzing trace with hash -238384358, now seen corresponding path program 1 times [2023-08-29 01:51:53,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:53,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886569475] [2023-08-29 01:51:53,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:53,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:53,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:53,928 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 01:51:53,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:53,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886569475] [2023-08-29 01:51:53,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886569475] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:53,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:53,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:51:53,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34161462] [2023-08-29 01:51:53,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:53,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:51:53,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:53,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:51:53,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:51:53,950 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1069 out of 2471 [2023-08-29 01:51:53,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 93 transitions, 194 flow. Second operand has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:53,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:53,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1069 of 2471 [2023-08-29 01:51:53,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:51:54,334 INFO L130 PetriNetUnfolder]: 384/1164 cut-off events. [2023-08-29 01:51:54,334 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 01:51:54,336 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1907 conditions, 1164 events. 384/1164 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 6243 event pairs, 375 based on Foata normal form. 0/1139 useless extension candidates. Maximal degree in co-relation 1903. Up to 699 conditions per place. [2023-08-29 01:51:54,341 INFO L137 encePairwiseOnDemand]: 2467/2471 looper letters, 50 selfloop transitions, 1 changer transitions 0/90 dead transitions. [2023-08-29 01:51:54,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 90 transitions, 290 flow [2023-08-29 01:51:54,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:51:54,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:51:54,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3261 transitions. [2023-08-29 01:51:54,349 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4399028733306354 [2023-08-29 01:51:54,349 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3261 transitions. [2023-08-29 01:51:54,349 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3261 transitions. [2023-08-29 01:51:54,350 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:51:54,351 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3261 transitions. [2023-08-29 01:51:54,356 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1087.0) internal successors, (3261), 3 states have internal predecessors, (3261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:54,365 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:54,367 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:54,367 INFO L175 Difference]: Start difference. First operand has 92 places, 93 transitions, 194 flow. Second operand 3 states and 3261 transitions. [2023-08-29 01:51:54,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 90 transitions, 290 flow [2023-08-29 01:51:54,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 90 transitions, 289 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:51:54,369 INFO L231 Difference]: Finished difference. Result has 90 places, 90 transitions, 189 flow [2023-08-29 01:51:54,370 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=187, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=189, PETRI_PLACES=90, PETRI_TRANSITIONS=90} [2023-08-29 01:51:54,370 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -75 predicate places. [2023-08-29 01:51:54,370 INFO L495 AbstractCegarLoop]: Abstraction has has 90 places, 90 transitions, 189 flow [2023-08-29 01:51:54,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1071.0) internal successors, (3213), 3 states have internal predecessors, (3213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:54,371 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:54,372 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:51:54,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 01:51:54,372 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:54,372 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:54,372 INFO L85 PathProgramCache]: Analyzing trace with hash 614995702, now seen corresponding path program 1 times [2023-08-29 01:51:54,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:54,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908510774] [2023-08-29 01:51:54,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:54,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:54,675 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 01:51:54,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:54,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908510774] [2023-08-29 01:51:54,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908510774] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:54,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:54,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:51:54,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887695151] [2023-08-29 01:51:54,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:54,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:51:54,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:54,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:51:54,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:51:54,878 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1060 out of 2471 [2023-08-29 01:51:54,881 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 90 transitions, 189 flow. Second operand has 3 states, 3 states have (on average 1063.6666666666667) internal successors, (3191), 3 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:54,881 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:54,881 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1060 of 2471 [2023-08-29 01:51:54,882 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:51:55,719 INFO L130 PetriNetUnfolder]: 493/1257 cut-off events. [2023-08-29 01:51:55,719 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-29 01:51:55,721 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2198 conditions, 1257 events. 493/1257 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 6539 event pairs, 222 based on Foata normal form. 0/1185 useless extension candidates. Maximal degree in co-relation 2194. Up to 477 conditions per place. [2023-08-29 01:51:55,726 INFO L137 encePairwiseOnDemand]: 2464/2471 looper letters, 70 selfloop transitions, 5 changer transitions 0/112 dead transitions. [2023-08-29 01:51:55,726 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 112 transitions, 384 flow [2023-08-29 01:51:55,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:51:55,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:51:55,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3257 transitions. [2023-08-29 01:51:55,734 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4393632807230541 [2023-08-29 01:51:55,734 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3257 transitions. [2023-08-29 01:51:55,734 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3257 transitions. [2023-08-29 01:51:55,736 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:51:55,736 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3257 transitions. [2023-08-29 01:51:55,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1085.6666666666667) internal successors, (3257), 3 states have internal predecessors, (3257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:55,752 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:55,753 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:55,754 INFO L175 Difference]: Start difference. First operand has 90 places, 90 transitions, 189 flow. Second operand 3 states and 3257 transitions. [2023-08-29 01:51:55,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 112 transitions, 384 flow [2023-08-29 01:51:55,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 112 transitions, 383 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:51:55,756 INFO L231 Difference]: Finished difference. Result has 93 places, 94 transitions, 228 flow [2023-08-29 01:51:55,757 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=85, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=93, PETRI_TRANSITIONS=94} [2023-08-29 01:51:55,757 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -72 predicate places. [2023-08-29 01:51:55,757 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 94 transitions, 228 flow [2023-08-29 01:51:55,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1063.6666666666667) internal successors, (3191), 3 states have internal predecessors, (3191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:55,759 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:55,759 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:51:55,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 01:51:55,759 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:55,759 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:55,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1267183436, now seen corresponding path program 1 times [2023-08-29 01:51:55,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:55,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600457349] [2023-08-29 01:51:55,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:55,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:55,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:56,659 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 01:51:56,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:56,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600457349] [2023-08-29 01:51:56,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600457349] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:56,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:56,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:51:56,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055282810] [2023-08-29 01:51:56,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:56,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:51:56,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:56,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:51:56,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:51:57,238 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1061 out of 2471 [2023-08-29 01:51:57,244 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 94 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 1063.0) internal successors, (6378), 6 states have internal predecessors, (6378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:57,244 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:57,244 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1061 of 2471 [2023-08-29 01:51:57,244 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:51:58,387 INFO L130 PetriNetUnfolder]: 1780/3769 cut-off events. [2023-08-29 01:51:58,387 INFO L131 PetriNetUnfolder]: For 560/841 co-relation queries the response was YES. [2023-08-29 01:51:58,396 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7393 conditions, 3769 events. 1780/3769 cut-off events. For 560/841 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 25240 event pairs, 485 based on Foata normal form. 115/3783 useless extension candidates. Maximal degree in co-relation 7388. Up to 1194 conditions per place. [2023-08-29 01:51:58,411 INFO L137 encePairwiseOnDemand]: 2464/2471 looper letters, 147 selfloop transitions, 13 changer transitions 0/196 dead transitions. [2023-08-29 01:51:58,412 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 196 transitions, 825 flow [2023-08-29 01:51:58,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:51:58,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:51:58,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6512 transitions. [2023-08-29 01:51:58,427 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43922838257115876 [2023-08-29 01:51:58,428 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6512 transitions. [2023-08-29 01:51:58,428 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6512 transitions. [2023-08-29 01:51:58,431 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:51:58,431 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6512 transitions. [2023-08-29 01:51:58,443 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1085.3333333333333) internal successors, (6512), 6 states have internal predecessors, (6512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:58,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2471.0) internal successors, (17297), 7 states have internal predecessors, (17297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:58,470 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2471.0) internal successors, (17297), 7 states have internal predecessors, (17297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:58,470 INFO L175 Difference]: Start difference. First operand has 93 places, 94 transitions, 228 flow. Second operand 6 states and 6512 transitions. [2023-08-29 01:51:58,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 196 transitions, 825 flow [2023-08-29 01:51:58,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 96 places, 196 transitions, 791 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-29 01:51:58,478 INFO L231 Difference]: Finished difference. Result has 101 places, 106 transitions, 324 flow [2023-08-29 01:51:58,478 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=218, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=101, PETRI_TRANSITIONS=106} [2023-08-29 01:51:58,480 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -64 predicate places. [2023-08-29 01:51:58,480 INFO L495 AbstractCegarLoop]: Abstraction has has 101 places, 106 transitions, 324 flow [2023-08-29 01:51:58,482 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1063.0) internal successors, (6378), 6 states have internal predecessors, (6378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:58,482 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:51:58,482 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:51:58,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 01:51:58,483 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:51:58,483 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:51:58,483 INFO L85 PathProgramCache]: Analyzing trace with hash -554012796, now seen corresponding path program 1 times [2023-08-29 01:51:58,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:51:58,484 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [345183754] [2023-08-29 01:51:58,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:51:58,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:51:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:51:59,355 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 01:51:59,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:51:59,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [345183754] [2023-08-29 01:51:59,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [345183754] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:51:59,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:51:59,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 01:51:59,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860669966] [2023-08-29 01:51:59,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:51:59,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:51:59,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:51:59,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:51:59,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 01:51:59,977 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1042 out of 2471 [2023-08-29 01:51:59,982 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 101 places, 106 transitions, 324 flow. Second operand has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:51:59,982 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:51:59,982 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1042 of 2471 [2023-08-29 01:51:59,982 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:52:00,858 INFO L130 PetriNetUnfolder]: 888/2216 cut-off events. [2023-08-29 01:52:00,858 INFO L131 PetriNetUnfolder]: For 362/567 co-relation queries the response was YES. [2023-08-29 01:52:00,890 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4513 conditions, 2216 events. 888/2216 cut-off events. For 362/567 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 13834 event pairs, 265 based on Foata normal form. 68/2231 useless extension candidates. Maximal degree in co-relation 4504. Up to 814 conditions per place. [2023-08-29 01:52:00,900 INFO L137 encePairwiseOnDemand]: 2462/2471 looper letters, 98 selfloop transitions, 14 changer transitions 0/138 dead transitions. [2023-08-29 01:52:00,900 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 138 transitions, 636 flow [2023-08-29 01:52:00,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:52:00,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:52:00,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6357 transitions. [2023-08-29 01:52:00,915 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42877377579927156 [2023-08-29 01:52:00,915 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6357 transitions. [2023-08-29 01:52:00,915 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6357 transitions. [2023-08-29 01:52:00,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:52:00,920 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6357 transitions. [2023-08-29 01:52:00,930 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1059.5) internal successors, (6357), 6 states have internal predecessors, (6357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:00,946 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2471.0) internal successors, (17297), 7 states have internal predecessors, (17297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:00,949 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2471.0) internal successors, (17297), 7 states have internal predecessors, (17297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:00,950 INFO L175 Difference]: Start difference. First operand has 101 places, 106 transitions, 324 flow. Second operand 6 states and 6357 transitions. [2023-08-29 01:52:00,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 138 transitions, 636 flow [2023-08-29 01:52:00,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 102 places, 138 transitions, 636 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 01:52:00,955 INFO L231 Difference]: Finished difference. Result has 102 places, 102 transitions, 344 flow [2023-08-29 01:52:00,956 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=344, PETRI_PLACES=102, PETRI_TRANSITIONS=102} [2023-08-29 01:52:00,958 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -63 predicate places. [2023-08-29 01:52:00,958 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 102 transitions, 344 flow [2023-08-29 01:52:00,960 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1044.0) internal successors, (6264), 6 states have internal predecessors, (6264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:00,960 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:52:00,960 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 01:52:00,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 01:52:00,961 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:52:00,961 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:52:00,961 INFO L85 PathProgramCache]: Analyzing trace with hash 1901957370, now seen corresponding path program 1 times [2023-08-29 01:52:00,961 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:52:00,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [566560038] [2023-08-29 01:52:00,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:00,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:52:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:01,292 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 01:52:01,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:52:01,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [566560038] [2023-08-29 01:52:01,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [566560038] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:52:01,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:52:01,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:52:01,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980915421] [2023-08-29 01:52:01,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:52:01,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:52:01,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:52:01,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:52:01,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:52:01,492 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1015 out of 2471 [2023-08-29 01:52:01,494 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 102 transitions, 344 flow. Second operand has 3 states, 3 states have (on average 1026.3333333333333) internal successors, (3079), 3 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:01,494 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:52:01,494 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1015 of 2471 [2023-08-29 01:52:01,494 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:52:02,753 INFO L130 PetriNetUnfolder]: 4001/6855 cut-off events. [2023-08-29 01:52:02,753 INFO L131 PetriNetUnfolder]: For 5088/5180 co-relation queries the response was YES. [2023-08-29 01:52:02,766 INFO L83 FinitePrefix]: Finished finitePrefix Result has 18101 conditions, 6855 events. 4001/6855 cut-off events. For 5088/5180 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 36184 event pairs, 3371 based on Foata normal form. 0/6672 useless extension candidates. Maximal degree in co-relation 18091. Up to 6432 conditions per place. [2023-08-29 01:52:02,797 INFO L137 encePairwiseOnDemand]: 2462/2471 looper letters, 90 selfloop transitions, 18 changer transitions 0/119 dead transitions. [2023-08-29 01:52:02,797 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 104 places, 119 transitions, 616 flow [2023-08-29 01:52:02,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:52:02,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:52:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3138 transitions. [2023-08-29 01:52:02,803 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42331040064751113 [2023-08-29 01:52:02,803 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3138 transitions. [2023-08-29 01:52:02,803 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3138 transitions. [2023-08-29 01:52:02,806 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:52:02,806 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3138 transitions. [2023-08-29 01:52:02,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1046.0) internal successors, (3138), 3 states have internal predecessors, (3138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:02,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:02,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:02,822 INFO L175 Difference]: Start difference. First operand has 102 places, 102 transitions, 344 flow. Second operand 3 states and 3138 transitions. [2023-08-29 01:52:02,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 104 places, 119 transitions, 616 flow [2023-08-29 01:52:02,842 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 99 places, 119 transitions, 588 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-08-29 01:52:02,844 INFO L231 Difference]: Finished difference. Result has 100 places, 110 transitions, 420 flow [2023-08-29 01:52:02,844 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=97, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=102, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=100, PETRI_TRANSITIONS=110} [2023-08-29 01:52:02,847 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -65 predicate places. [2023-08-29 01:52:02,847 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 110 transitions, 420 flow [2023-08-29 01:52:02,848 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1026.3333333333333) internal successors, (3079), 3 states have internal predecessors, (3079), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:02,848 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:52:02,848 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 01:52:02,848 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 01:52:02,851 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_setErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:52:02,851 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:52:02,851 INFO L85 PathProgramCache]: Analyzing trace with hash 2015509116, now seen corresponding path program 1 times [2023-08-29 01:52:02,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:52:02,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031713474] [2023-08-29 01:52:02,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:02,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:52:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:03,235 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 01:52:03,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:52:03,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031713474] [2023-08-29 01:52:03,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031713474] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:52:03,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:52:03,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:52:03,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294508324] [2023-08-29 01:52:03,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:52:03,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:52:03,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:52:03,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:52:03,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:52:03,430 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1063 out of 2471 [2023-08-29 01:52:03,433 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 110 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 1069.6666666666667) internal successors, (3209), 3 states have internal predecessors, (3209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:03,433 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:52:03,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1063 of 2471 [2023-08-29 01:52:03,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:52:04,183 INFO L130 PetriNetUnfolder]: 842/2235 cut-off events. [2023-08-29 01:52:04,184 INFO L131 PetriNetUnfolder]: For 1137/1501 co-relation queries the response was YES. [2023-08-29 01:52:04,190 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5232 conditions, 2235 events. 842/2235 cut-off events. For 1137/1501 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 14574 event pairs, 358 based on Foata normal form. 76/2232 useless extension candidates. Maximal degree in co-relation 5221. Up to 895 conditions per place. [2023-08-29 01:52:04,195 INFO L137 encePairwiseOnDemand]: 2469/2471 looper letters, 72 selfloop transitions, 1 changer transitions 0/120 dead transitions. [2023-08-29 01:52:04,195 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 101 places, 120 transitions, 596 flow [2023-08-29 01:52:04,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:52:04,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:52:04,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3249 transitions. [2023-08-29 01:52:04,201 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43828409550789155 [2023-08-29 01:52:04,202 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3249 transitions. [2023-08-29 01:52:04,202 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3249 transitions. [2023-08-29 01:52:04,203 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:52:04,203 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3249 transitions. [2023-08-29 01:52:04,206 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1083.0) internal successors, (3249), 3 states have internal predecessors, (3249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:04,213 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:04,215 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:04,215 INFO L175 Difference]: Start difference. First operand has 100 places, 110 transitions, 420 flow. Second operand 3 states and 3249 transitions. [2023-08-29 01:52:04,215 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 101 places, 120 transitions, 596 flow [2023-08-29 01:52:04,221 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 100 places, 120 transitions, 572 flow, removed 3 selfloop flow, removed 1 redundant places. [2023-08-29 01:52:04,222 INFO L231 Difference]: Finished difference. Result has 100 places, 109 transitions, 396 flow [2023-08-29 01:52:04,223 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=396, PETRI_PLACES=100, PETRI_TRANSITIONS=109} [2023-08-29 01:52:04,224 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -65 predicate places. [2023-08-29 01:52:04,224 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 109 transitions, 396 flow [2023-08-29 01:52:04,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1069.6666666666667) internal successors, (3209), 3 states have internal predecessors, (3209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:04,225 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:52:04,225 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 01:52:04,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 01:52:04,225 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:52:04,226 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:52:04,226 INFO L85 PathProgramCache]: Analyzing trace with hash 240101047, now seen corresponding path program 1 times [2023-08-29 01:52:04,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:52:04,226 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809550781] [2023-08-29 01:52:04,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:04,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:52:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:05,020 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 01:52:05,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:52:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809550781] [2023-08-29 01:52:05,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809550781] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:52:05,021 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 01:52:05,021 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 01:52:05,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547665319] [2023-08-29 01:52:05,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:52:05,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 01:52:05,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:52:05,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 01:52:05,023 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 01:52:05,072 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1074 out of 2471 [2023-08-29 01:52:05,074 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 109 transitions, 396 flow. Second operand has 3 states, 3 states have (on average 1080.6666666666667) internal successors, (3242), 3 states have internal predecessors, (3242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:05,074 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:52:05,075 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1074 of 2471 [2023-08-29 01:52:05,075 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:52:05,682 INFO L130 PetriNetUnfolder]: 768/2157 cut-off events. [2023-08-29 01:52:05,682 INFO L131 PetriNetUnfolder]: For 856/1172 co-relation queries the response was YES. [2023-08-29 01:52:05,689 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4886 conditions, 2157 events. 768/2157 cut-off events. For 856/1172 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 14400 event pairs, 455 based on Foata normal form. 60/2130 useless extension candidates. Maximal degree in co-relation 4875. Up to 1165 conditions per place. [2023-08-29 01:52:05,695 INFO L137 encePairwiseOnDemand]: 2467/2471 looper letters, 60 selfloop transitions, 2 changer transitions 0/110 dead transitions. [2023-08-29 01:52:05,696 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 102 places, 110 transitions, 522 flow [2023-08-29 01:52:05,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 01:52:05,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 01:52:05,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3274 transitions. [2023-08-29 01:52:05,703 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44165654930527454 [2023-08-29 01:52:05,703 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3274 transitions. [2023-08-29 01:52:05,703 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3274 transitions. [2023-08-29 01:52:05,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:52:05,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3274 transitions. [2023-08-29 01:52:05,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1091.3333333333333) internal successors, (3274), 3 states have internal predecessors, (3274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:05,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:05,719 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2471.0) internal successors, (9884), 4 states have internal predecessors, (9884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:05,719 INFO L175 Difference]: Start difference. First operand has 100 places, 109 transitions, 396 flow. Second operand 3 states and 3274 transitions. [2023-08-29 01:52:05,719 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 102 places, 110 transitions, 522 flow [2023-08-29 01:52:05,724 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 101 places, 110 transitions, 521 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 01:52:05,726 INFO L231 Difference]: Finished difference. Result has 102 places, 110 transitions, 409 flow [2023-08-29 01:52:05,727 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=395, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=109, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=409, PETRI_PLACES=102, PETRI_TRANSITIONS=110} [2023-08-29 01:52:05,727 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -63 predicate places. [2023-08-29 01:52:05,728 INFO L495 AbstractCegarLoop]: Abstraction has has 102 places, 110 transitions, 409 flow [2023-08-29 01:52:05,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1080.6666666666667) internal successors, (3242), 3 states have internal predecessors, (3242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:05,729 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:52:05,729 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 01:52:05,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 01:52:05,729 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:52:05,730 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:52:05,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1414910557, now seen corresponding path program 1 times [2023-08-29 01:52:05,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:52:05,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753175710] [2023-08-29 01:52:05,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:05,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:52:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:06,299 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 01:52:06,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:52:06,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753175710] [2023-08-29 01:52:06,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753175710] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:52:06,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833454534] [2023-08-29 01:52:06,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:06,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:52:06,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:52:06,307 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 01:52:06,308 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 01:52:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:07,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 1328 conjuncts, 246 conjunts are in the unsatisfiable core [2023-08-29 01:52:07,147 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:52:07,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 01:52:07,793 INFO L217 Elim1Store]: Index analysis took 119 ms [2023-08-29 01:52:14,508 WARN L222 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 1290 DAG size of output: 297 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 01:52:14,515 INFO L321 Elim1Store]: treesize reduction 9085, result has 6.8 percent of original size [2023-08-29 01:52:14,516 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 95 case distinctions, treesize of input 490 treesize of output 1063 [2023-08-29 01:52:50,982 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 01:52:50,982 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 01:52:51,097 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 01:52:51,116 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 01:52:51,129 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 01:52:51,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 01:52:51,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833454534] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 01:52:51,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 01:52:51,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2023-08-29 01:52:51,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029727399] [2023-08-29 01:52:51,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 01:52:51,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 01:52:51,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:52:51,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 01:52:51,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:52:51,660 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1006 out of 2471 [2023-08-29 01:52:51,664 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 110 transitions, 409 flow. Second operand has 6 states, 6 states have (on average 1012.5) internal successors, (6075), 6 states have internal predecessors, (6075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:51,664 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:52:51,664 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1006 of 2471 [2023-08-29 01:52:51,664 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:52:53,290 INFO L130 PetriNetUnfolder]: 3929/6677 cut-off events. [2023-08-29 01:52:53,290 INFO L131 PetriNetUnfolder]: For 6964/7042 co-relation queries the response was YES. [2023-08-29 01:52:53,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19007 conditions, 6677 events. 3929/6677 cut-off events. For 6964/7042 co-relation queries the response was YES. Maximal size of possible extension queue 140. Compared 34528 event pairs, 3308 based on Foata normal form. 0/6557 useless extension candidates. Maximal degree in co-relation 18995. Up to 6140 conditions per place. [2023-08-29 01:52:53,336 INFO L137 encePairwiseOnDemand]: 2463/2471 looper letters, 97 selfloop transitions, 21 changer transitions 0/128 dead transitions. [2023-08-29 01:52:53,336 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 106 places, 128 transitions, 721 flow [2023-08-29 01:52:53,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 01:52:53,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 01:52:53,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5123 transitions. [2023-08-29 01:52:53,345 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41464993929583166 [2023-08-29 01:52:53,345 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5123 transitions. [2023-08-29 01:52:53,345 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5123 transitions. [2023-08-29 01:52:53,347 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:52:53,347 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5123 transitions. [2023-08-29 01:52:53,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1024.6) internal successors, (5123), 5 states have internal predecessors, (5123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:53,363 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2471.0) internal successors, (14826), 6 states have internal predecessors, (14826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:53,365 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2471.0) internal successors, (14826), 6 states have internal predecessors, (14826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:53,366 INFO L175 Difference]: Start difference. First operand has 102 places, 110 transitions, 409 flow. Second operand 5 states and 5123 transitions. [2023-08-29 01:52:53,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 106 places, 128 transitions, 721 flow [2023-08-29 01:52:53,383 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 128 transitions, 717 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 01:52:53,385 INFO L231 Difference]: Finished difference. Result has 106 places, 114 transitions, 497 flow [2023-08-29 01:52:53,385 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=405, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=497, PETRI_PLACES=106, PETRI_TRANSITIONS=114} [2023-08-29 01:52:53,386 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -59 predicate places. [2023-08-29 01:52:53,386 INFO L495 AbstractCegarLoop]: Abstraction has has 106 places, 114 transitions, 497 flow [2023-08-29 01:52:53,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1012.5) internal successors, (6075), 6 states have internal predecessors, (6075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:53,387 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:52:53,388 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] [2023-08-29 01:52:53,404 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-29 01:52:53,599 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,SelfDestructingSolverStorable10 [2023-08-29 01:52:53,599 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:52:53,600 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:52:53,600 INFO L85 PathProgramCache]: Analyzing trace with hash 797907689, now seen corresponding path program 1 times [2023-08-29 01:52:53,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:52:53,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737442256] [2023-08-29 01:52:53,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:53,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:52:53,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:54,313 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 01:52:54,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:52:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737442256] [2023-08-29 01:52:54,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737442256] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:52:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [991920503] [2023-08-29 01:52:54,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:54,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:52:54,315 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:52:54,316 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 01:52:54,318 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 01:52:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:55,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-29 01:52:55,357 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:52:55,377 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 01:52:55,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:52:55,399 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 01:52:55,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [991920503] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:52:55,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:52:55,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-29 01:52:55,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710589922] [2023-08-29 01:52:55,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:52:55,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 01:52:55,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:52:55,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 01:52:55,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-08-29 01:52:55,549 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 2471 [2023-08-29 01:52:55,554 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 114 transitions, 497 flow. Second operand has 8 states, 8 states have (on average 1073.625) internal successors, (8589), 8 states have internal predecessors, (8589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:55,554 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:52:55,554 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 2471 [2023-08-29 01:52:55,554 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:52:56,322 INFO L130 PetriNetUnfolder]: 738/2096 cut-off events. [2023-08-29 01:52:56,322 INFO L131 PetriNetUnfolder]: For 1757/2103 co-relation queries the response was YES. [2023-08-29 01:52:56,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5272 conditions, 2096 events. 738/2096 cut-off events. For 1757/2103 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 13904 event pairs, 454 based on Foata normal form. 38/2048 useless extension candidates. Maximal degree in co-relation 5259. Up to 1165 conditions per place. [2023-08-29 01:52:56,335 INFO L137 encePairwiseOnDemand]: 2464/2471 looper letters, 60 selfloop transitions, 8 changer transitions 0/119 dead transitions. [2023-08-29 01:52:56,335 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 119 transitions, 649 flow [2023-08-29 01:52:56,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 01:52:56,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 01:52:56,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6483 transitions. [2023-08-29 01:52:56,347 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43727235936867664 [2023-08-29 01:52:56,347 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 6483 transitions. [2023-08-29 01:52:56,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6483 transitions. [2023-08-29 01:52:56,349 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:52:56,349 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 6483 transitions. [2023-08-29 01:52:56,355 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1080.5) internal successors, (6483), 6 states have internal predecessors, (6483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:56,364 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2471.0) internal successors, (17297), 7 states have internal predecessors, (17297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:56,366 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2471.0) internal successors, (17297), 7 states have internal predecessors, (17297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:56,366 INFO L175 Difference]: Start difference. First operand has 106 places, 114 transitions, 497 flow. Second operand 6 states and 6483 transitions. [2023-08-29 01:52:56,366 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 119 transitions, 649 flow [2023-08-29 01:52:56,371 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 119 transitions, 625 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 01:52:56,373 INFO L231 Difference]: Finished difference. Result has 111 places, 119 transitions, 535 flow [2023-08-29 01:52:56,373 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=473, PETRI_DIFFERENCE_MINUEND_PLACES=103, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=535, PETRI_PLACES=111, PETRI_TRANSITIONS=119} [2023-08-29 01:52:56,373 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -54 predicate places. [2023-08-29 01:52:56,373 INFO L495 AbstractCegarLoop]: Abstraction has has 111 places, 119 transitions, 535 flow [2023-08-29 01:52:56,375 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1073.625) internal successors, (8589), 8 states have internal predecessors, (8589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:52:56,375 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:52:56,375 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:52:56,389 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-29 01:52:56,589 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-29 01:52:56,589 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:52:56,590 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:52:56,590 INFO L85 PathProgramCache]: Analyzing trace with hash -974903461, now seen corresponding path program 2 times [2023-08-29 01:52:56,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:52:56,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79445256] [2023-08-29 01:52:56,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:52:56,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:52:56,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:52:57,249 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:52:57,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:52:57,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79445256] [2023-08-29 01:52:57,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79445256] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:52:57,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070830876] [2023-08-29 01:52:57,250 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-29 01:52:57,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:52:57,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:52:57,252 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:52:57,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-29 01:53:00,271 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-29 01:53:00,271 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 01:53:00,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 1407 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-29 01:53:00,284 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:53:00,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:00,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:53:00,446 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:00,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070830876] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:53:00,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:53:00,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 14 [2023-08-29 01:53:00,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [217537266] [2023-08-29 01:53:00,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:53:00,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-08-29 01:53:00,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:00,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-08-29 01:53:00,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2023-08-29 01:53:00,896 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 2471 [2023-08-29 01:53:00,904 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 111 places, 119 transitions, 535 flow. Second operand has 15 states, 15 states have (on average 1072.4) internal successors, (16086), 15 states have internal predecessors, (16086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:00,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:00,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 2471 [2023-08-29 01:53:00,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:02,367 INFO L130 PetriNetUnfolder]: 738/2105 cut-off events. [2023-08-29 01:53:02,368 INFO L131 PetriNetUnfolder]: For 1457/1803 co-relation queries the response was YES. [2023-08-29 01:53:02,374 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5161 conditions, 2105 events. 738/2105 cut-off events. For 1457/1803 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 13926 event pairs, 454 based on Foata normal form. 47/2068 useless extension candidates. Maximal degree in co-relation 5145. Up to 1165 conditions per place. [2023-08-29 01:53:02,379 INFO L137 encePairwiseOnDemand]: 2464/2471 looper letters, 60 selfloop transitions, 17 changer transitions 0/128 dead transitions. [2023-08-29 01:53:02,379 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 128 transitions, 737 flow [2023-08-29 01:53:02,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-29 01:53:02,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-29 01:53:02,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12919 transitions. [2023-08-29 01:53:02,399 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43568730608390666 [2023-08-29 01:53:02,400 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 12919 transitions. [2023-08-29 01:53:02,400 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 12919 transitions. [2023-08-29 01:53:02,403 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:53:02,403 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 12919 transitions. [2023-08-29 01:53:02,416 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 1076.5833333333333) internal successors, (12919), 12 states have internal predecessors, (12919), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:02,433 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 2471.0) internal successors, (32123), 13 states have internal predecessors, (32123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:02,437 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 2471.0) internal successors, (32123), 13 states have internal predecessors, (32123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:02,437 INFO L175 Difference]: Start difference. First operand has 111 places, 119 transitions, 535 flow. Second operand 12 states and 12919 transitions. [2023-08-29 01:53:02,437 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 128 transitions, 737 flow [2023-08-29 01:53:02,442 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 128 transitions, 727 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-29 01:53:02,444 INFO L231 Difference]: Finished difference. Result has 127 places, 128 transitions, 663 flow [2023-08-29 01:53:02,444 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=525, PETRI_DIFFERENCE_MINUEND_PLACES=110, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=109, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=663, PETRI_PLACES=127, PETRI_TRANSITIONS=128} [2023-08-29 01:53:02,445 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -38 predicate places. [2023-08-29 01:53:02,445 INFO L495 AbstractCegarLoop]: Abstraction has has 127 places, 128 transitions, 663 flow [2023-08-29 01:53:02,447 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 1072.4) internal successors, (16086), 15 states have internal predecessors, (16086), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:02,447 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:53:02,447 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:53:02,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-29 01:53:02,661 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:53:02,662 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:53:02,662 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:53:02,662 INFO L85 PathProgramCache]: Analyzing trace with hash 146976105, now seen corresponding path program 3 times [2023-08-29 01:53:02,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:53:02,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555723140] [2023-08-29 01:53:02,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:53:02,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:53:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:53:03,789 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:03,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:53:03,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555723140] [2023-08-29 01:53:03,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555723140] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:53:03,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774937382] [2023-08-29 01:53:03,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-29 01:53:03,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:53:03,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:53:03,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:53:03,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-29 01:53:26,365 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-29 01:53:26,365 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 01:53:26,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1533 conjuncts, 32 conjunts are in the unsatisfiable core [2023-08-29 01:53:26,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:53:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:26,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:53:27,079 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:53:27,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774937382] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:53:27,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:53:27,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 30 [2023-08-29 01:53:27,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1933501250] [2023-08-29 01:53:27,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:53:27,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-08-29 01:53:27,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:53:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-08-29 01:53:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=626, Unknown=0, NotChecked=0, Total=930 [2023-08-29 01:53:31,616 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 2471 [2023-08-29 01:53:31,632 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 128 transitions, 663 flow. Second operand has 31 states, 31 states have (on average 1071.6774193548388) internal successors, (33222), 31 states have internal predecessors, (33222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:53:31,632 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:53:31,632 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 2471 [2023-08-29 01:53:31,632 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:53:53,645 WARN L222 SmtUtils]: Spent 17.93s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 01:54:06,408 WARN L222 SmtUtils]: Spent 10.65s on a formula simplification. DAG size of input: 61 DAG size of output: 43 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 01:54:21,219 INFO L130 PetriNetUnfolder]: 738/2123 cut-off events. [2023-08-29 01:54:21,219 INFO L131 PetriNetUnfolder]: For 1964/2310 co-relation queries the response was YES. [2023-08-29 01:54:21,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5292 conditions, 2123 events. 738/2123 cut-off events. For 1964/2310 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 13968 event pairs, 454 based on Foata normal form. 56/2095 useless extension candidates. Maximal degree in co-relation 5269. Up to 1160 conditions per place. [2023-08-29 01:54:21,235 INFO L137 encePairwiseOnDemand]: 2464/2471 looper letters, 57 selfloop transitions, 38 changer transitions 0/146 dead transitions. [2023-08-29 01:54:21,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 146 transitions, 985 flow [2023-08-29 01:54:21,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-29 01:54:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-29 01:54:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26862 transitions. [2023-08-29 01:54:21,260 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4348360987454472 [2023-08-29 01:54:21,260 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 26862 transitions. [2023-08-29 01:54:21,261 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 26862 transitions. [2023-08-29 01:54:21,268 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 01:54:21,268 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 26862 transitions. [2023-08-29 01:54:21,292 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 1074.48) internal successors, (26862), 25 states have internal predecessors, (26862), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:21,333 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 2471.0) internal successors, (64246), 26 states have internal predecessors, (64246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:21,341 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 2471.0) internal successors, (64246), 26 states have internal predecessors, (64246), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:21,341 INFO L175 Difference]: Start difference. First operand has 127 places, 128 transitions, 663 flow. Second operand 25 states and 26862 transitions. [2023-08-29 01:54:21,342 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 146 transitions, 985 flow [2023-08-29 01:54:21,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 149 places, 146 transitions, 909 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-29 01:54:21,350 INFO L231 Difference]: Finished difference. Result has 149 places, 146 transitions, 799 flow [2023-08-29 01:54:21,351 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2471, PETRI_DIFFERENCE_MINUEND_FLOW=623, PETRI_DIFFERENCE_MINUEND_PLACES=125, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=22, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=106, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=799, PETRI_PLACES=149, PETRI_TRANSITIONS=146} [2023-08-29 01:54:21,351 INFO L281 CegarLoopForPetriNet]: 165 programPoint places, -16 predicate places. [2023-08-29 01:54:21,351 INFO L495 AbstractCegarLoop]: Abstraction has has 149 places, 146 transitions, 799 flow [2023-08-29 01:54:21,355 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 1071.6774193548388) internal successors, (33222), 31 states have internal predecessors, (33222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:21,356 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 01:54:21,356 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 01:54:21,380 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-29 01:54:21,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:54:21,577 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_currentErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_currentErr1ASSERT_VIOLATIONDATA_RACE (and 101 more)] === [2023-08-29 01:54:21,578 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 01:54:21,578 INFO L85 PathProgramCache]: Analyzing trace with hash 406575593, now seen corresponding path program 4 times [2023-08-29 01:54:21,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 01:54:21,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254230827] [2023-08-29 01:54:21,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 01:54:21,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 01:54:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 01:54:24,334 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:24,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 01:54:24,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254230827] [2023-08-29 01:54:24,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254230827] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 01:54:24,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [549705410] [2023-08-29 01:54:24,335 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-29 01:54:24,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 01:54:24,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 01:54:24,337 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 01:54:24,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-29 01:54:26,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-29 01:54:26,851 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-29 01:54:26,863 INFO L263 TraceCheckSpWp]: Trace formula consists of 1785 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-29 01:54:26,867 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 01:54:27,002 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:27,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-29 01:54:28,045 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 01:54:28,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [549705410] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-29 01:54:28,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-29 01:54:28,045 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 48 [2023-08-29 01:54:28,045 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338139065] [2023-08-29 01:54:28,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-29 01:54:28,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2023-08-29 01:54:28,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 01:54:28,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2023-08-29 01:54:28,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=1682, Unknown=0, NotChecked=0, Total=2352 [2023-08-29 01:54:35,776 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1070 out of 2471 [2023-08-29 01:54:35,799 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 146 transitions, 799 flow. Second operand has 49 states, 49 states have (on average 1071.4285714285713) internal successors, (52500), 49 states have internal predecessors, (52500), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 01:54:35,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 01:54:35,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1070 of 2471 [2023-08-29 01:54:35,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 01:56:13,852 WARN L222 SmtUtils]: Spent 1.09m on a formula simplification that was a NOOP. DAG size: 95 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-29 01:56:15,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-29 01:56:17,892 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 01:56:19,901 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 01:56:22,321 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 01:56:24,331 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-29 01:56:26,377 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false Killed by 15