./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-data-race.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b8dbc81d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-29 17:10:42,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-29 17:10:42,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-29 17:10:42,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-29 17:10:42,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-29 17:10:42,089 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-29 17:10:42,090 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-29 17:10:42,093 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-29 17:10:42,095 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-29 17:10:42,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-29 17:10:42,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-29 17:10:42,102 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-29 17:10:42,102 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-29 17:10:42,104 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-29 17:10:42,105 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-29 17:10:42,111 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-29 17:10:42,112 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-29 17:10:42,114 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-29 17:10:42,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-29 17:10:42,119 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-29 17:10:42,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-29 17:10:42,121 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-29 17:10:42,134 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-29 17:10:42,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-29 17:10:42,142 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-29 17:10:42,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-29 17:10:42,143 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-29 17:10:42,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-29 17:10:42,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-29 17:10:42,146 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-29 17:10:42,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-29 17:10:42,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-29 17:10:42,150 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-29 17:10:42,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-29 17:10:42,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-29 17:10:42,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-29 17:10:42,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-29 17:10:42,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-29 17:10:42,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-29 17:10:42,153 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-29 17:10:42,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-29 17:10:42,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-08-29 17:10:42,187 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-29 17:10:42,188 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-29 17:10:42,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-29 17:10:42,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-29 17:10:42,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-29 17:10:42,190 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-29 17:10:42,191 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-29 17:10:42,191 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-29 17:10:42,191 INFO L138 SettingsManager]: * Use SBE=true [2023-08-29 17:10:42,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-29 17:10:42,192 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-29 17:10:42,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-29 17:10:42,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-29 17:10:42,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-29 17:10:42,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-29 17:10:42,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-29 17:10:42,193 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-29 17:10:42,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-29 17:10:42,194 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-08-29 17:10:42,194 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-29 17:10:42,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-29 17:10:42,194 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-29 17:10:42,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-29 17:10:42,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-29 17:10:42,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-29 17:10:42,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-29 17:10:42,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:10:42,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-29 17:10:42,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-29 17:10:42,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-29 17:10:42,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-29 17:10:42,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-29 17:10:42,196 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-29 17:10:42,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-29 17:10:42,197 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-29 17:10:42,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-29 17:10:42,197 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-29 17:10:42,197 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-29 17:10:42,474 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-29 17:10:42,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-29 17:10:42,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-29 17:10:42,500 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-29 17:10:42,501 INFO L275 PluginConnector]: CDTParser initialized [2023-08-29 17:10:42,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-29 17:10:43,734 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-29 17:10:44,295 INFO L351 CDTParser]: Found 1 translation units. [2023-08-29 17:10:44,296 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-29 17:10:44,343 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4439f7b6/37296c5ecb8442c0aa5c23922026a5bf/FLAG71600354f [2023-08-29 17:10:44,366 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4439f7b6/37296c5ecb8442c0aa5c23922026a5bf [2023-08-29 17:10:44,368 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-29 17:10:44,370 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-29 17:10:44,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-29 17:10:44,372 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-29 17:10:44,375 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-29 17:10:44,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:10:44" (1/1) ... [2023-08-29 17:10:44,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd608f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:44, skipping insertion in model container [2023-08-29 17:10:44,378 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 05:10:44" (1/1) ... [2023-08-29 17:10:44,383 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-29 17:10:44,496 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-29 17:10:44,788 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i[5469,5482] [2023-08-29 17:10:47,537 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:10:48,087 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:10:48,090 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:10:48,150 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:10:48,170 INFO L203 MainTranslator]: Completed pre-run [2023-08-29 17:10:48,193 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_configure_pc8736x_gpio_set.i[5469,5482] [2023-08-29 17:10:48,552 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-29 17:10:48,629 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:10:48,630 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-29 17:10:48,646 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-29 17:10:49,430 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,431 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,431 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,431 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,431 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,431 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,431 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-29 17:10:49,437 INFO L208 MainTranslator]: Completed translation [2023-08-29 17:10:49,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49 WrapperNode [2023-08-29 17:10:49,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-29 17:10:49,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-29 17:10:49,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-29 17:10:49,439 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-29 17:10:49,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,612 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,720 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 1128 [2023-08-29 17:10:49,723 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-29 17:10:49,724 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-29 17:10:49,724 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-29 17:10:49,725 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-29 17:10:49,732 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,743 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,744 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,818 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,842 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-29 17:10:49,850 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-29 17:10:49,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-29 17:10:49,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-29 17:10:49,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (1/1) ... [2023-08-29 17:10:49,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-29 17:10:49,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:10:49,886 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-29 17:10:49,907 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-29 17:10:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-29 17:10:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-29 17:10:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-29 17:10:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-29 17:10:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 17:10:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-29 17:10:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-29 17:10:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-29 17:10:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-29 17:10:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-29 17:10:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 17:10:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-29 17:10:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-29 17:10:49,927 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-29 17:10:50,474 INFO L236 CfgBuilder]: Building ICFG [2023-08-29 17:10:50,476 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-29 17:10:51,610 INFO L277 CfgBuilder]: Performing block encoding [2023-08-29 17:10:51,669 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-29 17:10:51,670 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-29 17:10:51,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:10:51 BoogieIcfgContainer [2023-08-29 17:10:51,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-29 17:10:51,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-29 17:10:51,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-29 17:10:51,678 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-29 17:10:51,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 05:10:44" (1/3) ... [2023-08-29 17:10:51,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35821885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:10:51, skipping insertion in model container [2023-08-29 17:10:51,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 05:10:49" (2/3) ... [2023-08-29 17:10:51,679 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35821885 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 05:10:51, skipping insertion in model container [2023-08-29 17:10:51,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 05:10:51" (3/3) ... [2023-08-29 17:10:51,681 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-29 17:10:51,688 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-29 17:10:51,696 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-29 17:10:51,697 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 101 error locations. [2023-08-29 17:10:51,697 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-29 17:10:51,872 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-29 17:10:51,915 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1234 places, 1285 transitions, 2586 flow [2023-08-29 17:10:52,335 INFO L130 PetriNetUnfolder]: 58/1283 cut-off events. [2023-08-29 17:10:52,336 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:10:52,354 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1292 conditions, 1283 events. 58/1283 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2480 event pairs, 0 based on Foata normal form. 0/1124 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 17:10:52,354 INFO L82 GeneralOperation]: Start removeDead. Operand has 1234 places, 1285 transitions, 2586 flow [2023-08-29 17:10:52,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1224 places, 1275 transitions, 2559 flow [2023-08-29 17:10:52,371 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-29 17:10:52,379 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1224 places, 1275 transitions, 2559 flow [2023-08-29 17:10:52,381 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1224 places, 1275 transitions, 2559 flow [2023-08-29 17:10:52,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1224 places, 1275 transitions, 2559 flow [2023-08-29 17:10:52,706 INFO L130 PetriNetUnfolder]: 58/1275 cut-off events. [2023-08-29 17:10:52,706 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-29 17:10:52,714 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1283 conditions, 1275 events. 58/1275 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 2232 event pairs, 0 based on Foata normal form. 0/1116 useless extension candidates. Maximal degree in co-relation 1049. Up to 9 conditions per place. [2023-08-29 17:10:52,746 INFO L119 LiptonReduction]: Number of co-enabled transitions 78756 [2023-08-29 17:12:35,873 WARN L222 SmtUtils]: Spent 8.13s 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 17:12:43,262 WARN L222 SmtUtils]: Spent 7.39s 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 17:12:49,954 WARN L222 SmtUtils]: Spent 6.69s 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 17:12:55,176 WARN L222 SmtUtils]: Spent 5.22s 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 17:13:27,694 WARN L222 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 313 DAG size of output: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:14:13,402 WARN L222 SmtUtils]: Spent 42.13s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:14:36,730 WARN L222 SmtUtils]: Spent 23.32s on a formula simplification that was a NOOP. DAG size: 540 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:15:15,344 WARN L222 SmtUtils]: Spent 38.61s on a formula simplification that was a NOOP. DAG size: 597 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:15:45,731 WARN L222 SmtUtils]: Spent 30.38s on a formula simplification that was a NOOP. DAG size: 540 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:17:30,309 WARN L222 SmtUtils]: Spent 1.74m on a formula simplification. DAG size of input: 594 DAG size of output: 589 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:18:23,697 WARN L222 SmtUtils]: Spent 53.38s on a formula simplification that was a NOOP. DAG size: 585 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:19:51,901 WARN L222 SmtUtils]: Spent 1.47m on a formula simplification. DAG size of input: 597 DAG size of output: 592 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:20:17,521 WARN L222 SmtUtils]: Spent 25.62s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-29 17:20:17,527 INFO L134 LiptonReduction]: Checked pairs total: 191056 [2023-08-29 17:20:17,528 INFO L136 LiptonReduction]: Total number of compositions: 1575 [2023-08-29 17:20:17,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-29 17:20:17,547 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;@56390de7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-29 17:20:17,547 INFO L358 AbstractCegarLoop]: Starting to check reachability of 133 error locations. [2023-08-29 17:20:17,548 INFO L130 PetriNetUnfolder]: 0/0 cut-off events. [2023-08-29 17:20:17,548 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:20:17,549 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:17,549 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-08-29 17:20:17,549 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:17,553 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:17,554 INFO L85 PathProgramCache]: Analyzing trace with hash 4801, now seen corresponding path program 1 times [2023-08-29 17:20:17,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:17,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996865430] [2023-08-29 17:20:17,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:17,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:17,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:17,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996865430] [2023-08-29 17:20:17,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996865430] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:17,740 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:17,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-08-29 17:20:17,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392620778] [2023-08-29 17:20:17,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:17,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-29 17:20:17,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:17,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-29 17:20:17,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-29 17:20:17,781 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1246 out of 2860 [2023-08-29 17:20:17,789 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 196 transitions, 401 flow. Second operand has 2 states, 2 states have (on average 1246.5) internal successors, (2493), 2 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:17,789 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:17,790 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1246 of 2860 [2023-08-29 17:20:17,791 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:18,279 INFO L130 PetriNetUnfolder]: 248/843 cut-off events. [2023-08-29 17:20:18,279 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-29 17:20:18,281 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1350 conditions, 843 events. 248/843 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4383 event pairs, 237 based on Foata normal form. 35/823 useless extension candidates. Maximal degree in co-relation 1219. Up to 465 conditions per place. [2023-08-29 17:20:18,286 INFO L137 encePairwiseOnDemand]: 2763/2860 looper letters, 50 selfloop transitions, 0 changer transitions 0/99 dead transitions. [2023-08-29 17:20:18,286 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 99 transitions, 307 flow [2023-08-29 17:20:18,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-29 17:20:18,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-29 17:20:18,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 2639 transitions. [2023-08-29 17:20:18,312 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.46136363636363636 [2023-08-29 17:20:18,313 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 2639 transitions. [2023-08-29 17:20:18,313 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 2639 transitions. [2023-08-29 17:20:18,317 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:18,319 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 2639 transitions. [2023-08-29 17:20:18,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 1319.5) internal successors, (2639), 2 states have internal predecessors, (2639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:18,340 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2860.0) internal successors, (8580), 3 states have internal predecessors, (8580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:18,345 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2860.0) internal successors, (8580), 3 states have internal predecessors, (8580), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:18,346 INFO L175 Difference]: Start difference. First operand has 181 places, 196 transitions, 401 flow. Second operand 2 states and 2639 transitions. [2023-08-29 17:20:18,347 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 96 places, 99 transitions, 307 flow [2023-08-29 17:20:18,350 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 99 transitions, 302 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-29 17:20:18,352 INFO L231 Difference]: Finished difference. Result has 93 places, 99 transitions, 202 flow [2023-08-29 17:20:18,354 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=92, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=99, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=202, PETRI_PLACES=93, PETRI_TRANSITIONS=99} [2023-08-29 17:20:18,357 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -88 predicate places. [2023-08-29 17:20:18,357 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 99 transitions, 202 flow [2023-08-29 17:20:18,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 1246.5) internal successors, (2493), 2 states have internal predecessors, (2493), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:18,359 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:18,359 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-29 17:20:18,359 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-29 17:20:18,360 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr68ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:18,360 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:18,360 INFO L85 PathProgramCache]: Analyzing trace with hash 4858266, now seen corresponding path program 1 times [2023-08-29 17:20:18,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:18,360 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059976256] [2023-08-29 17:20:18,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:18,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:18,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:18,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:18,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059976256] [2023-08-29 17:20:18,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059976256] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:18,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:18,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:20:18,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028355802] [2023-08-29 17:20:18,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:18,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:20:18,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:18,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:20:18,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:20:18,725 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2860 [2023-08-29 17:20:18,732 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 99 transitions, 202 flow. Second operand has 3 states, 3 states have (on average 1228.0) internal successors, (3684), 3 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:18,732 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:18,732 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2860 [2023-08-29 17:20:18,733 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:19,307 INFO L130 PetriNetUnfolder]: 248/841 cut-off events. [2023-08-29 17:20:19,308 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:20:19,309 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1341 conditions, 841 events. 248/841 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4321 event pairs, 237 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1338. Up to 462 conditions per place. [2023-08-29 17:20:19,312 INFO L137 encePairwiseOnDemand]: 2855/2860 looper letters, 47 selfloop transitions, 3 changer transitions 0/97 dead transitions. [2023-08-29 17:20:19,312 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 97 transitions, 298 flow [2023-08-29 17:20:19,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:20:19,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:20:19,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3733 transitions. [2023-08-29 17:20:19,321 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43508158508158506 [2023-08-29 17:20:19,321 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3733 transitions. [2023-08-29 17:20:19,321 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3733 transitions. [2023-08-29 17:20:19,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:19,323 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3733 transitions. [2023-08-29 17:20:19,331 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1244.3333333333333) internal successors, (3733), 3 states have internal predecessors, (3733), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:19,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:19,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:19,352 INFO L175 Difference]: Start difference. First operand has 93 places, 99 transitions, 202 flow. Second operand 3 states and 3733 transitions. [2023-08-29 17:20:19,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 97 transitions, 298 flow [2023-08-29 17:20:19,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 97 transitions, 298 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:20:19,354 INFO L231 Difference]: Finished difference. Result has 93 places, 97 transitions, 204 flow [2023-08-29 17:20:19,355 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=204, PETRI_PLACES=93, PETRI_TRANSITIONS=97} [2023-08-29 17:20:19,355 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -88 predicate places. [2023-08-29 17:20:19,356 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 97 transitions, 204 flow [2023-08-29 17:20:19,358 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1228.0) internal successors, (3684), 3 states have internal predecessors, (3684), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:19,358 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:19,358 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-29 17:20:19,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-29 17:20:19,359 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:19,361 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:19,361 INFO L85 PathProgramCache]: Analyzing trace with hash 375847252, now seen corresponding path program 1 times [2023-08-29 17:20:19,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:19,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1749141929] [2023-08-29 17:20:19,362 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:19,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:19,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:19,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:19,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1749141929] [2023-08-29 17:20:19,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1749141929] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:19,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:19,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:20:19,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927866859] [2023-08-29 17:20:19,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:19,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:20:19,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:19,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:20:19,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:20:19,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1242 out of 2860 [2023-08-29 17:20:19,720 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 97 transitions, 204 flow. Second operand has 3 states, 3 states have (on average 1243.3333333333333) internal successors, (3730), 3 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:19,721 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:19,721 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1242 of 2860 [2023-08-29 17:20:19,721 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:20,174 INFO L130 PetriNetUnfolder]: 246/838 cut-off events. [2023-08-29 17:20:20,174 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:20:20,175 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 838 events. 246/838 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 4314 event pairs, 237 based on Foata normal form. 0/786 useless extension candidates. Maximal degree in co-relation 1334. Up to 461 conditions per place. [2023-08-29 17:20:20,178 INFO L137 encePairwiseOnDemand]: 2857/2860 looper letters, 46 selfloop transitions, 1 changer transitions 0/94 dead transitions. [2023-08-29 17:20:20,178 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 94 transitions, 290 flow [2023-08-29 17:20:20,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:20:20,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:20:20,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3775 transitions. [2023-08-29 17:20:20,188 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43997668997669 [2023-08-29 17:20:20,188 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3775 transitions. [2023-08-29 17:20:20,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3775 transitions. [2023-08-29 17:20:20,190 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:20,190 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3775 transitions. [2023-08-29 17:20:20,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1258.3333333333333) internal successors, (3775), 3 states have internal predecessors, (3775), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,223 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,223 INFO L175 Difference]: Start difference. First operand has 93 places, 97 transitions, 204 flow. Second operand 3 states and 3775 transitions. [2023-08-29 17:20:20,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 94 transitions, 290 flow [2023-08-29 17:20:20,224 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 94 transitions, 288 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:20:20,228 INFO L231 Difference]: Finished difference. Result has 93 places, 94 transitions, 196 flow [2023-08-29 17:20:20,229 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=194, PETRI_DIFFERENCE_MINUEND_PLACES=91, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=93, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=196, PETRI_PLACES=93, PETRI_TRANSITIONS=94} [2023-08-29 17:20:20,229 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -88 predicate places. [2023-08-29 17:20:20,230 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 94 transitions, 196 flow [2023-08-29 17:20:20,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1243.3333333333333) internal successors, (3730), 3 states have internal predecessors, (3730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,232 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:20,232 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-29 17:20:20,232 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-29 17:20:20,233 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:20,233 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1208220640, now seen corresponding path program 1 times [2023-08-29 17:20:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:20,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572440046] [2023-08-29 17:20:20,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:20,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:20,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572440046] [2023-08-29 17:20:20,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572440046] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:20,384 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:20,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:20:20,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814406541] [2023-08-29 17:20:20,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:20,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:20:20,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:20,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:20:20,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:20:20,409 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2860 [2023-08-29 17:20:20,412 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 94 transitions, 196 flow. Second operand has 3 states, 3 states have (on average 1229.0) internal successors, (3687), 3 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,412 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:20,412 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2860 [2023-08-29 17:20:20,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:20,898 INFO L130 PetriNetUnfolder]: 492/1405 cut-off events. [2023-08-29 17:20:20,899 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-29 17:20:20,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2332 conditions, 1405 events. 492/1405 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 7529 event pairs, 483 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 2328. Up to 883 conditions per place. [2023-08-29 17:20:20,907 INFO L137 encePairwiseOnDemand]: 2854/2860 looper letters, 52 selfloop transitions, 1 changer transitions 0/89 dead transitions. [2023-08-29 17:20:20,908 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 89 transitions, 292 flow [2023-08-29 17:20:20,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:20:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:20:20,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3739 transitions. [2023-08-29 17:20:20,917 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4357808857808858 [2023-08-29 17:20:20,917 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3739 transitions. [2023-08-29 17:20:20,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3739 transitions. [2023-08-29 17:20:20,919 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:20,919 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3739 transitions. [2023-08-29 17:20:20,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1246.3333333333333) internal successors, (3739), 3 states have internal predecessors, (3739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,938 INFO L175 Difference]: Start difference. First operand has 93 places, 94 transitions, 196 flow. Second operand 3 states and 3739 transitions. [2023-08-29 17:20:20,938 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 89 transitions, 292 flow [2023-08-29 17:20:20,939 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 89 transitions, 291 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:20:20,940 INFO L231 Difference]: Finished difference. Result has 89 places, 89 transitions, 187 flow [2023-08-29 17:20:20,940 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=185, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=88, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=187, PETRI_PLACES=89, PETRI_TRANSITIONS=89} [2023-08-29 17:20:20,942 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -92 predicate places. [2023-08-29 17:20:20,942 INFO L495 AbstractCegarLoop]: Abstraction has has 89 places, 89 transitions, 187 flow [2023-08-29 17:20:20,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1229.0) internal successors, (3687), 3 states have internal predecessors, (3687), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:20,943 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:20,943 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:20:20,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-29 17:20:20,943 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:20,944 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:20,944 INFO L85 PathProgramCache]: Analyzing trace with hash 683081098, now seen corresponding path program 1 times [2023-08-29 17:20:20,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:20,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640528814] [2023-08-29 17:20:20,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:20,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:21,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:22,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:22,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:22,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640528814] [2023-08-29 17:20:22,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640528814] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:22,022 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:22,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:20:22,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927292625] [2023-08-29 17:20:22,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:22,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:20:22,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:22,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:20:22,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:20:22,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1225 out of 2860 [2023-08-29 17:20:22,628 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 89 transitions, 187 flow. Second operand has 6 states, 6 states have (on average 1227.0) internal successors, (7362), 6 states have internal predecessors, (7362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:22,629 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:22,629 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1225 of 2860 [2023-08-29 17:20:22,629 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:24,974 INFO L130 PetriNetUnfolder]: 1274/2750 cut-off events. [2023-08-29 17:20:24,974 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-29 17:20:24,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4936 conditions, 2750 events. 1274/2750 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 17505 event pairs, 455 based on Foata normal form. 0/2621 useless extension candidates. Maximal degree in co-relation 4932. Up to 1181 conditions per place. [2023-08-29 17:20:24,986 INFO L137 encePairwiseOnDemand]: 2851/2860 looper letters, 118 selfloop transitions, 17 changer transitions 0/171 dead transitions. [2023-08-29 17:20:24,986 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 94 places, 171 transitions, 622 flow [2023-08-29 17:20:24,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:20:24,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:20:24,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7486 transitions. [2023-08-29 17:20:25,002 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43624708624708625 [2023-08-29 17:20:25,002 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7486 transitions. [2023-08-29 17:20:25,002 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7486 transitions. [2023-08-29 17:20:25,006 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:25,009 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7486 transitions. [2023-08-29 17:20:25,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1247.6666666666667) internal successors, (7486), 6 states have internal predecessors, (7486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:25,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:25,043 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:25,044 INFO L175 Difference]: Start difference. First operand has 89 places, 89 transitions, 187 flow. Second operand 6 states and 7486 transitions. [2023-08-29 17:20:25,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 94 places, 171 transitions, 622 flow [2023-08-29 17:20:25,046 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 171 transitions, 621 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-29 17:20:25,048 INFO L231 Difference]: Finished difference. Result has 98 places, 105 transitions, 302 flow [2023-08-29 17:20:25,049 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=89, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=81, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=302, PETRI_PLACES=98, PETRI_TRANSITIONS=105} [2023-08-29 17:20:25,051 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -83 predicate places. [2023-08-29 17:20:25,051 INFO L495 AbstractCegarLoop]: Abstraction has has 98 places, 105 transitions, 302 flow [2023-08-29 17:20:25,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1227.0) internal successors, (7362), 6 states have internal predecessors, (7362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:25,053 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:25,053 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:20:25,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-29 17:20:25,054 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:25,054 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:25,054 INFO L85 PathProgramCache]: Analyzing trace with hash -1437748158, now seen corresponding path program 1 times [2023-08-29 17:20:25,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:25,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603095436] [2023-08-29 17:20:25,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:25,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:25,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:25,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:25,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1603095436] [2023-08-29 17:20:25,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1603095436] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:25,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:25,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-08-29 17:20:25,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486207725] [2023-08-29 17:20:25,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:25,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:20:25,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:25,908 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:20:25,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-08-29 17:20:26,490 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1206 out of 2860 [2023-08-29 17:20:26,495 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 98 places, 105 transitions, 302 flow. Second operand has 6 states, 6 states have (on average 1208.0) internal successors, (7248), 6 states have internal predecessors, (7248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:26,495 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:26,495 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1206 of 2860 [2023-08-29 17:20:26,495 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:30,064 INFO L130 PetriNetUnfolder]: 1809/3771 cut-off events. [2023-08-29 17:20:30,065 INFO L131 PetriNetUnfolder]: For 1998/2148 co-relation queries the response was YES. [2023-08-29 17:20:30,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9486 conditions, 3771 events. 1809/3771 cut-off events. For 1998/2148 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 24167 event pairs, 254 based on Foata normal form. 0/3578 useless extension candidates. Maximal degree in co-relation 9478. Up to 1809 conditions per place. [2023-08-29 17:20:30,086 INFO L137 encePairwiseOnDemand]: 2833/2860 looper letters, 112 selfloop transitions, 65 changer transitions 0/203 dead transitions. [2023-08-29 17:20:30,086 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 203 transitions, 1022 flow [2023-08-29 17:20:30,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-29 17:20:30,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-29 17:20:30,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 7369 transitions. [2023-08-29 17:20:30,105 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4294289044289044 [2023-08-29 17:20:30,105 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 7369 transitions. [2023-08-29 17:20:30,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 7369 transitions. [2023-08-29 17:20:30,111 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:30,111 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 7369 transitions. [2023-08-29 17:20:30,123 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 1228.1666666666667) internal successors, (7369), 6 states have internal predecessors, (7369), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:30,140 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:30,144 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2860.0) internal successors, (20020), 7 states have internal predecessors, (20020), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:30,144 INFO L175 Difference]: Start difference. First operand has 98 places, 105 transitions, 302 flow. Second operand 6 states and 7369 transitions. [2023-08-29 17:20:30,144 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 203 transitions, 1022 flow [2023-08-29 17:20:30,158 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 203 transitions, 1022 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:20:30,161 INFO L231 Difference]: Finished difference. Result has 108 places, 169 transitions, 928 flow [2023-08-29 17:20:30,161 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=98, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=928, PETRI_PLACES=108, PETRI_TRANSITIONS=169} [2023-08-29 17:20:30,162 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -73 predicate places. [2023-08-29 17:20:30,162 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 169 transitions, 928 flow [2023-08-29 17:20:30,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1208.0) internal successors, (7248), 6 states have internal predecessors, (7248), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:30,164 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:30,164 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:20:30,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-29 17:20:30,165 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:30,165 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:30,165 INFO L85 PathProgramCache]: Analyzing trace with hash -152104168, now seen corresponding path program 1 times [2023-08-29 17:20:30,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:30,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745617865] [2023-08-29 17:20:30,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:30,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:30,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:31,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:31,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745617865] [2023-08-29 17:20:31,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745617865] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:31,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:31,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-08-29 17:20:31,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744085307] [2023-08-29 17:20:31,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:31,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-08-29 17:20:31,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:31,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-08-29 17:20:31,822 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-08-29 17:20:32,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1224 out of 2860 [2023-08-29 17:20:32,594 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 169 transitions, 928 flow. Second operand has 9 states, 9 states have (on average 1225.6666666666667) internal successors, (11031), 9 states have internal predecessors, (11031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:32,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:32,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1224 of 2860 [2023-08-29 17:20:32,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:35,433 INFO L130 PetriNetUnfolder]: 2025/4102 cut-off events. [2023-08-29 17:20:35,433 INFO L131 PetriNetUnfolder]: For 4456/4878 co-relation queries the response was YES. [2023-08-29 17:20:35,444 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12868 conditions, 4102 events. 2025/4102 cut-off events. For 4456/4878 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 27080 event pairs, 340 based on Foata normal form. 210/4189 useless extension candidates. Maximal degree in co-relation 12855. Up to 1000 conditions per place. [2023-08-29 17:20:35,458 INFO L137 encePairwiseOnDemand]: 2850/2860 looper letters, 205 selfloop transitions, 27 changer transitions 0/283 dead transitions. [2023-08-29 17:20:35,458 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 283 transitions, 1879 flow [2023-08-29 17:20:35,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-08-29 17:20:35,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2023-08-29 17:20:35,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9928 transitions. [2023-08-29 17:20:35,475 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43391608391608394 [2023-08-29 17:20:35,475 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 9928 transitions. [2023-08-29 17:20:35,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 9928 transitions. [2023-08-29 17:20:35,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:35,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 9928 transitions. [2023-08-29 17:20:35,490 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 1241.0) internal successors, (9928), 8 states have internal predecessors, (9928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:35,510 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 2860.0) internal successors, (25740), 9 states have internal predecessors, (25740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:35,514 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 2860.0) internal successors, (25740), 9 states have internal predecessors, (25740), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:35,515 INFO L175 Difference]: Start difference. First operand has 108 places, 169 transitions, 928 flow. Second operand 8 states and 9928 transitions. [2023-08-29 17:20:35,515 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 283 transitions, 1879 flow [2023-08-29 17:20:35,530 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 283 transitions, 1879 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-29 17:20:35,534 INFO L231 Difference]: Finished difference. Result has 120 places, 181 transitions, 1120 flow [2023-08-29 17:20:35,535 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=928, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=148, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=1120, PETRI_PLACES=120, PETRI_TRANSITIONS=181} [2023-08-29 17:20:35,535 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -61 predicate places. [2023-08-29 17:20:35,536 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 181 transitions, 1120 flow [2023-08-29 17:20:35,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 1225.6666666666667) internal successors, (11031), 9 states have internal predecessors, (11031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:35,541 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:35,542 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:20:35,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-08-29 17:20:35,542 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:35,542 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:35,542 INFO L85 PathProgramCache]: Analyzing trace with hash -238957838, now seen corresponding path program 1 times [2023-08-29 17:20:35,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:35,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923133996] [2023-08-29 17:20:35,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:35,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:35,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:36,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:36,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:36,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923133996] [2023-08-29 17:20:36,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923133996] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:36,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:36,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-08-29 17:20:36,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771169411] [2023-08-29 17:20:36,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:36,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-29 17:20:36,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:36,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-29 17:20:36,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:20:37,446 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1205 out of 2860 [2023-08-29 17:20:37,450 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 181 transitions, 1120 flow. Second operand has 8 states, 8 states have (on average 1207.125) internal successors, (9657), 8 states have internal predecessors, (9657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:37,450 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:37,451 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1205 of 2860 [2023-08-29 17:20:37,451 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:39,157 INFO L130 PetriNetUnfolder]: 1715/3536 cut-off events. [2023-08-29 17:20:39,158 INFO L131 PetriNetUnfolder]: For 7436/7766 co-relation queries the response was YES. [2023-08-29 17:20:39,171 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12736 conditions, 3536 events. 1715/3536 cut-off events. For 7436/7766 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 22129 event pairs, 416 based on Foata normal form. 138/3522 useless extension candidates. Maximal degree in co-relation 12717. Up to 2016 conditions per place. [2023-08-29 17:20:39,184 INFO L137 encePairwiseOnDemand]: 2850/2860 looper letters, 176 selfloop transitions, 26 changer transitions 0/232 dead transitions. [2023-08-29 17:20:39,184 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 232 transitions, 1852 flow [2023-08-29 17:20:39,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-29 17:20:39,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-29 17:20:39,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8530 transitions. [2023-08-29 17:20:39,197 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4260739260739261 [2023-08-29 17:20:39,197 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 8530 transitions. [2023-08-29 17:20:39,197 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8530 transitions. [2023-08-29 17:20:39,199 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:39,200 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 8530 transitions. [2023-08-29 17:20:39,208 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 1218.5714285714287) internal successors, (8530), 7 states have internal predecessors, (8530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:39,221 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 2860.0) internal successors, (22880), 8 states have internal predecessors, (22880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:39,223 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 2860.0) internal successors, (22880), 8 states have internal predecessors, (22880), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:39,224 INFO L175 Difference]: Start difference. First operand has 120 places, 181 transitions, 1120 flow. Second operand 7 states and 8530 transitions. [2023-08-29 17:20:39,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 232 transitions, 1852 flow [2023-08-29 17:20:39,243 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 232 transitions, 1840 flow, removed 4 selfloop flow, removed 2 redundant places. [2023-08-29 17:20:39,247 INFO L231 Difference]: Finished difference. Result has 120 places, 177 transitions, 1144 flow [2023-08-29 17:20:39,247 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1092, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=151, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1144, PETRI_PLACES=120, PETRI_TRANSITIONS=177} [2023-08-29 17:20:39,249 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -61 predicate places. [2023-08-29 17:20:39,249 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 177 transitions, 1144 flow [2023-08-29 17:20:39,251 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1207.125) internal successors, (9657), 8 states have internal predecessors, (9657), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:39,251 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:39,251 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 17:20:39,251 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-29 17:20:39,252 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:39,252 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:39,252 INFO L85 PathProgramCache]: Analyzing trace with hash -472183310, now seen corresponding path program 1 times [2023-08-29 17:20:39,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:39,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629920496] [2023-08-29 17:20:39,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:39,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:39,555 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:39,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:39,556 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629920496] [2023-08-29 17:20:39,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [629920496] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:39,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:39,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:20:39,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777826267] [2023-08-29 17:20:39,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:39,557 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:20:39,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:39,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:20:39,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:20:39,701 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1181 out of 2860 [2023-08-29 17:20:39,703 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 177 transitions, 1144 flow. Second operand has 3 states, 3 states have (on average 1192.3333333333333) internal successors, (3577), 3 states have internal predecessors, (3577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:39,703 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:39,703 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1181 of 2860 [2023-08-29 17:20:39,703 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:41,919 INFO L130 PetriNetUnfolder]: 3566/6287 cut-off events. [2023-08-29 17:20:41,919 INFO L131 PetriNetUnfolder]: For 16889/16899 co-relation queries the response was YES. [2023-08-29 17:20:41,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 24232 conditions, 6287 events. 3566/6287 cut-off events. For 16889/16899 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 36860 event pairs, 1905 based on Foata normal form. 0/6113 useless extension candidates. Maximal degree in co-relation 24213. Up to 5812 conditions per place. [2023-08-29 17:20:41,955 INFO L137 encePairwiseOnDemand]: 2850/2860 looper letters, 151 selfloop transitions, 40 changer transitions 0/204 dead transitions. [2023-08-29 17:20:41,955 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 204 transitions, 1694 flow [2023-08-29 17:20:41,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:20:41,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:20:41,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3631 transitions. [2023-08-29 17:20:41,962 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42319347319347317 [2023-08-29 17:20:41,962 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3631 transitions. [2023-08-29 17:20:41,962 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3631 transitions. [2023-08-29 17:20:41,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:41,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3631 transitions. [2023-08-29 17:20:41,967 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1210.3333333333333) internal successors, (3631), 3 states have internal predecessors, (3631), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:41,973 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:41,975 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:41,975 INFO L175 Difference]: Start difference. First operand has 120 places, 177 transitions, 1144 flow. Second operand 3 states and 3631 transitions. [2023-08-29 17:20:41,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 204 transitions, 1694 flow [2023-08-29 17:20:42,043 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 204 transitions, 1624 flow, removed 0 selfloop flow, removed 7 redundant places. [2023-08-29 17:20:42,046 INFO L231 Difference]: Finished difference. Result has 117 places, 199 transitions, 1436 flow [2023-08-29 17:20:42,047 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1077, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=177, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1436, PETRI_PLACES=117, PETRI_TRANSITIONS=199} [2023-08-29 17:20:42,048 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -64 predicate places. [2023-08-29 17:20:42,048 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 199 transitions, 1436 flow [2023-08-29 17:20:42,049 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1192.3333333333333) internal successors, (3577), 3 states have internal predecessors, (3577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:42,049 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:42,049 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 17:20:42,049 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-08-29 17:20:42,049 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_setErr11ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:42,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:42,050 INFO L85 PathProgramCache]: Analyzing trace with hash -791599530, now seen corresponding path program 1 times [2023-08-29 17:20:42,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:42,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583986502] [2023-08-29 17:20:42,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:42,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:42,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:42,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:42,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583986502] [2023-08-29 17:20:42,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1583986502] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:42,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:42,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:20:42,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336910205] [2023-08-29 17:20:42,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:42,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:20:42,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:42,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:20:42,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:20:42,520 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1227 out of 2860 [2023-08-29 17:20:42,523 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 199 transitions, 1436 flow. Second operand has 3 states, 3 states have (on average 1233.6666666666667) internal successors, (3701), 3 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:42,523 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:42,523 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1227 of 2860 [2023-08-29 17:20:42,523 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:43,622 INFO L130 PetriNetUnfolder]: 1601/3582 cut-off events. [2023-08-29 17:20:43,622 INFO L131 PetriNetUnfolder]: For 9765/10251 co-relation queries the response was YES. [2023-08-29 17:20:43,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13477 conditions, 3582 events. 1601/3582 cut-off events. For 9765/10251 co-relation queries the response was YES. Maximal size of possible extension queue 109. Compared 23631 event pairs, 375 based on Foata normal form. 27/3483 useless extension candidates. Maximal degree in co-relation 13458. Up to 1857 conditions per place. [2023-08-29 17:20:43,644 INFO L137 encePairwiseOnDemand]: 2855/2860 looper letters, 135 selfloop transitions, 12 changer transitions 0/217 dead transitions. [2023-08-29 17:20:43,645 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 217 transitions, 1843 flow [2023-08-29 17:20:43,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:20:43,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:20:43,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3741 transitions. [2023-08-29 17:20:43,651 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.436013986013986 [2023-08-29 17:20:43,651 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3741 transitions. [2023-08-29 17:20:43,651 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3741 transitions. [2023-08-29 17:20:43,652 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:43,652 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3741 transitions. [2023-08-29 17:20:43,656 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1247.0) internal successors, (3741), 3 states have internal predecessors, (3741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:43,661 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:43,662 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:43,663 INFO L175 Difference]: Start difference. First operand has 117 places, 199 transitions, 1436 flow. Second operand 3 states and 3741 transitions. [2023-08-29 17:20:43,663 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 217 transitions, 1843 flow [2023-08-29 17:20:43,693 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 217 transitions, 1743 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-08-29 17:20:43,696 INFO L231 Difference]: Finished difference. Result has 119 places, 210 transitions, 1504 flow [2023-08-29 17:20:43,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1336, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=187, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1504, PETRI_PLACES=119, PETRI_TRANSITIONS=210} [2023-08-29 17:20:43,696 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -62 predicate places. [2023-08-29 17:20:43,697 INFO L495 AbstractCegarLoop]: Abstraction has has 119 places, 210 transitions, 1504 flow [2023-08-29 17:20:43,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1233.6666666666667) internal successors, (3701), 3 states have internal predecessors, (3701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:43,698 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:43,698 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 17:20:43,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-08-29 17:20:43,698 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:43,698 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:43,698 INFO L85 PathProgramCache]: Analyzing trace with hash -1974960400, now seen corresponding path program 1 times [2023-08-29 17:20:43,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:43,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080135949] [2023-08-29 17:20:43,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:43,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:44,297 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:44,297 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080135949] [2023-08-29 17:20:44,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080135949] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:44,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-29 17:20:44,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-29 17:20:44,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006611306] [2023-08-29 17:20:44,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:44,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-29 17:20:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:44,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-29 17:20:44,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-29 17:20:44,342 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1238 out of 2860 [2023-08-29 17:20:44,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 210 transitions, 1504 flow. Second operand has 3 states, 3 states have (on average 1244.6666666666667) internal successors, (3734), 3 states have internal predecessors, (3734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:44,345 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:44,345 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1238 of 2860 [2023-08-29 17:20:44,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:20:45,740 INFO L130 PetriNetUnfolder]: 1578/3572 cut-off events. [2023-08-29 17:20:45,740 INFO L131 PetriNetUnfolder]: For 10395/10894 co-relation queries the response was YES. [2023-08-29 17:20:45,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13818 conditions, 3572 events. 1578/3572 cut-off events. For 10395/10894 co-relation queries the response was YES. Maximal size of possible extension queue 107. Compared 23628 event pairs, 410 based on Foata normal form. 22/3437 useless extension candidates. Maximal degree in co-relation 13798. Up to 1960 conditions per place. [2023-08-29 17:20:45,764 INFO L137 encePairwiseOnDemand]: 2856/2860 looper letters, 137 selfloop transitions, 2 changer transitions 0/211 dead transitions. [2023-08-29 17:20:45,764 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 211 transitions, 1784 flow [2023-08-29 17:20:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-29 17:20:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-29 17:20:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 3764 transitions. [2023-08-29 17:20:45,770 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4386946386946387 [2023-08-29 17:20:45,770 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 3764 transitions. [2023-08-29 17:20:45,770 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 3764 transitions. [2023-08-29 17:20:45,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:20:45,771 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 3764 transitions. [2023-08-29 17:20:45,775 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 1254.6666666666667) internal successors, (3764), 3 states have internal predecessors, (3764), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:45,781 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:45,782 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2860.0) internal successors, (11440), 4 states have internal predecessors, (11440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:45,783 INFO L175 Difference]: Start difference. First operand has 119 places, 210 transitions, 1504 flow. Second operand 3 states and 3764 transitions. [2023-08-29 17:20:45,783 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 211 transitions, 1784 flow [2023-08-29 17:20:45,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 211 transitions, 1740 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-08-29 17:20:45,810 INFO L231 Difference]: Finished difference. Result has 120 places, 211 transitions, 1474 flow [2023-08-29 17:20:45,810 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1460, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=210, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=208, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=1474, PETRI_PLACES=120, PETRI_TRANSITIONS=211} [2023-08-29 17:20:45,810 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -61 predicate places. [2023-08-29 17:20:45,811 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 211 transitions, 1474 flow [2023-08-29 17:20:45,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1244.6666666666667) internal successors, (3734), 3 states have internal predecessors, (3734), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:45,811 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:20:45,812 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 17:20:45,812 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-08-29 17:20:45,812 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_setErr10ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:20:45,812 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:20:45,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1472554367, now seen corresponding path program 1 times [2023-08-29 17:20:45,813 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:20:45,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453002775] [2023-08-29 17:20:45,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:45,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:20:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:46,357 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:20:46,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:20:46,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453002775] [2023-08-29 17:20:46,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453002775] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:20:46,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1115060626] [2023-08-29 17:20:46,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:20:46,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:20:46,358 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:20:46,365 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 17:20:46,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-29 17:20:47,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:20:47,208 INFO L263 TraceCheckSpWp]: Trace formula consists of 1330 conjuncts, 98 conjunts are in the unsatisfiable core [2023-08-29 17:20:47,219 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:20:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:20:47,679 INFO L217 Elim1Store]: Index analysis took 159 ms [2023-08-29 17:20:54,616 WARN L222 SmtUtils]: Spent 6.88s on a formula simplification. DAG size of input: 1085 DAG size of output: 336 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 17:20:54,620 INFO L321 Elim1Store]: treesize reduction 8254, result has 9.0 percent of original size [2023-08-29 17:20:54,621 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 26 case distinctions, treesize of input 104 treesize of output 848 [2023-08-29 17:20:58,562 INFO L321 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-08-29 17:20:58,563 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2023-08-29 17:20:58,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-08-29 17:20:58,752 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2023-08-29 17:20:58,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-29 17:20:58,770 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-29 17:20:58,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1115060626] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-29 17:20:58,771 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-29 17:20:58,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [3] total 7 [2023-08-29 17:20:58,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360827605] [2023-08-29 17:20:58,771 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-29 17:20:58,771 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-08-29 17:20:58,772 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-29 17:20:58,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-08-29 17:20:58,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-08-29 17:20:59,243 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 1172 out of 2860 [2023-08-29 17:20:59,247 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 211 transitions, 1474 flow. Second operand has 6 states, 6 states have (on average 1178.5) internal successors, (7071), 6 states have internal predecessors, (7071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:20:59,247 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-29 17:20:59,247 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1172 of 2860 [2023-08-29 17:20:59,248 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-29 17:21:00,978 INFO L130 PetriNetUnfolder]: 3667/6483 cut-off events. [2023-08-29 17:21:00,978 INFO L131 PetriNetUnfolder]: For 22953/22981 co-relation queries the response was YES. [2023-08-29 17:21:00,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27777 conditions, 6483 events. 3667/6483 cut-off events. For 22953/22981 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 37908 event pairs, 1809 based on Foata normal form. 0/6321 useless extension candidates. Maximal degree in co-relation 27756. Up to 5834 conditions per place. [2023-08-29 17:21:01,015 INFO L137 encePairwiseOnDemand]: 2851/2860 looper letters, 178 selfloop transitions, 44 changer transitions 0/235 dead transitions. [2023-08-29 17:21:01,015 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 235 transitions, 2119 flow [2023-08-29 17:21:01,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-08-29 17:21:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2023-08-29 17:21:01,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5948 transitions. [2023-08-29 17:21:01,023 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4159440559440559 [2023-08-29 17:21:01,024 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 5948 transitions. [2023-08-29 17:21:01,024 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5948 transitions. [2023-08-29 17:21:01,025 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-29 17:21:01,025 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 5948 transitions. [2023-08-29 17:21:01,031 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 1189.6) internal successors, (5948), 5 states have internal predecessors, (5948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:21:01,040 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 2860.0) internal successors, (17160), 6 states have internal predecessors, (17160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:21:01,042 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 2860.0) internal successors, (17160), 6 states have internal predecessors, (17160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:21:01,042 INFO L175 Difference]: Start difference. First operand has 120 places, 211 transitions, 1474 flow. Second operand 5 states and 5948 transitions. [2023-08-29 17:21:01,042 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 235 transitions, 2119 flow [2023-08-29 17:21:01,097 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 235 transitions, 2115 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-29 17:21:01,100 INFO L231 Difference]: Finished difference. Result has 125 places, 223 transitions, 1790 flow [2023-08-29 17:21:01,101 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2860, PETRI_DIFFERENCE_MINUEND_FLOW=1470, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=211, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=32, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=1790, PETRI_PLACES=125, PETRI_TRANSITIONS=223} [2023-08-29 17:21:01,101 INFO L281 CegarLoopForPetriNet]: 181 programPoint places, -56 predicate places. [2023-08-29 17:21:01,101 INFO L495 AbstractCegarLoop]: Abstraction has has 125 places, 223 transitions, 1790 flow [2023-08-29 17:21:01,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1178.5) internal successors, (7071), 6 states have internal predecessors, (7071), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-29 17:21:01,103 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-29 17:21:01,103 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-29 17:21:01,116 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-29 17:21:01,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-08-29 17:21:01,314 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr69ASSERT_VIOLATIONDATA_RACE === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONDATA_RACE, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONDATA_RACE (and 131 more)] === [2023-08-29 17:21:01,314 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-29 17:21:01,314 INFO L85 PathProgramCache]: Analyzing trace with hash -4069259, now seen corresponding path program 1 times [2023-08-29 17:21:01,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-29 17:21:01,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831091701] [2023-08-29 17:21:01,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:21:01,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-29 17:21:01,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:21:01,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-29 17:21:01,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-29 17:21:01,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831091701] [2023-08-29 17:21:01,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831091701] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-29 17:21:01,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135885745] [2023-08-29 17:21:01,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-29 17:21:01,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-29 17:21:01,891 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-29 17:21:01,893 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-29 17:21:01,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-29 17:21:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-29 17:21:02,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 1342 conjuncts, 538 conjunts are in the unsatisfiable core [2023-08-29 17:21:02,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-29 17:21:03,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-08-29 17:21:03,796 INFO L217 Elim1Store]: Index analysis took 127 ms [2023-08-29 17:21:14,823 WARN L222 SmtUtils]: Spent 10.96s on a formula simplification. DAG size of input: 1660 DAG size of output: 224 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-08-29 17:21:14,824 INFO L321 Elim1Store]: treesize reduction 11544, result has 3.3 percent of original size [2023-08-29 17:21:14,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 22 select indices, 22 select index equivalence classes, 17 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 257 case distinctions, treesize of input 983 treesize of output 1268 [2023-08-29 17:21:37,608 INFO L321 Elim1Store]: treesize reduction 8, result has 99.2 percent of original size [2023-08-29 17:21:37,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 16 select indices, 16 select index equivalence classes, 1 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 119 case distinctions, treesize of input 310 treesize of output 1220 Killed by 15