./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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_change_pc8736x_gpio_configure.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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 ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 09:03:45,774 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 09:03:45,778 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 09:03:45,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 09:03:45,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 09:03:45,809 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 09:03:45,810 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 09:03:45,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 09:03:45,813 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 09:03:45,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 09:03:45,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 09:03:45,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 09:03:45,816 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 09:03:45,817 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 09:03:45,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 09:03:45,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 09:03:45,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 09:03:45,820 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 09:03:45,822 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 09:03:45,823 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 09:03:45,830 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 09:03:45,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 09:03:45,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 09:03:45,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 09:03:45,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 09:03:45,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 09:03:45,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 09:03:45,850 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 09:03:45,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 09:03:45,851 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 09:03:45,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 09:03:45,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 09:03:45,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 09:03:45,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 09:03:45,856 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 09:03:45,856 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 09:03:45,857 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 09:03:45,858 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 09:03:45,858 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 09:03:45,859 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 09:03:45,859 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 09:03:45,861 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 09:03:45,899 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 09:03:45,900 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 09:03:45,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 09:03:45,901 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 09:03:45,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 09:03:45,902 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 09:03:45,903 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 09:03:45,903 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 09:03:45,903 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 09:03:45,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 09:03:45,904 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 09:03:45,904 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 09:03:45,904 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 09:03:45,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 09:03:45,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 09:03:45,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 09:03:45,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 09:03:45,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 09:03:45,906 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 09:03:45,906 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 09:03:45,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 09:03:45,906 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 09:03:45,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 09:03:45,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 09:03:45,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 09:03:45,907 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 09:03:45,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:03:45,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 09:03:45,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 09:03:45,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 09:03:45,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 09:03:45,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 09:03:45,908 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 09:03:45,909 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 09:03:45,909 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 09:03:45,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 09:03:45,909 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 09:03:45,909 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fcc0f5ef9d6c49d1991b076f6c361ed83f7f84302617131ead28c4e655562844 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 09:03:46,231 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 09:03:46,252 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 09:03:46,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 09:03:46,256 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 09:03:46,256 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 09:03:46,257 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-08-30 09:03:47,552 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 09:03:48,061 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 09:03:48,061 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-08-30 09:03:48,101 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183813223/3cbe4ed5558a4792b06d57bf2bf61e8d/FLAG50f5b22a2 [2023-08-30 09:03:48,126 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/183813223/3cbe4ed5558a4792b06d57bf2bf61e8d [2023-08-30 09:03:48,128 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 09:03:48,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 09:03:48,132 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 09:03:48,132 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 09:03:48,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 09:03:48,135 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:03:48" (1/1) ... [2023-08-30 09:03:48,137 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65a9255d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:48, skipping insertion in model container [2023-08-30 09:03:48,137 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:03:48" (1/1) ... [2023-08-30 09:03:48,142 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 09:03:48,305 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 09:03:48,596 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_change_pc8736x_gpio_configure.i[5469,5482] [2023-08-30 09:03:51,057 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:03:51,635 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:03:51,639 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:03:51,738 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:03:51,761 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 09:03:51,785 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_change_pc8736x_gpio_configure.i[5469,5482] [2023-08-30 09:03:51,957 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:03:52,033 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:03:52,034 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:03:52,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:03:52,591 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,592 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,592 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,592 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,592 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,592 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,595 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:03:52,600 INFO L208 MainTranslator]: Completed translation [2023-08-30 09:03:52,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52 WrapperNode [2023-08-30 09:03:52,601 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 09:03:52,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 09:03:52,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 09:03:52,602 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 09:03:52,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,708 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,803 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 75, statements flattened = 867 [2023-08-30 09:03:52,804 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 09:03:52,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 09:03:52,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 09:03:52,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 09:03:52,817 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,817 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,827 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,827 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,877 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,892 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 09:03:52,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 09:03:52,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 09:03:52,915 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 09:03:52,916 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (1/1) ... [2023-08-30 09:03:52,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:03:52,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:03:52,951 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) [2023-08-30 09:03:52,976 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 [2023-08-30 09:03:52,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 09:03:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 09:03:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 09:03:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 09:03:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-30 09:03:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_change [2023-08-30 09:03:52,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 09:03:52,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 09:03:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 09:03:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 09:03:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 09:03:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 09:03:52,996 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:03:52,997 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:03:52,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 09:03:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 09:03:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 09:03:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 09:03:52,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 09:03:53,000 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-30 09:03:53,597 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 09:03:53,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 09:03:54,531 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 09:03:54,557 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 09:03:54,557 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-30 09:03:54,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:03:54 BoogieIcfgContainer [2023-08-30 09:03:54,560 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 09:03:54,562 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 09:03:54,562 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 09:03:54,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 09:03:54,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 09:03:48" (1/3) ... [2023-08-30 09:03:54,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f6a0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:03:54, skipping insertion in model container [2023-08-30 09:03:54,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:03:52" (2/3) ... [2023-08-30 09:03:54,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44f6a0c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:03:54, skipping insertion in model container [2023-08-30 09:03:54,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:03:54" (3/3) ... [2023-08-30 09:03:54,567 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_change_pc8736x_gpio_configure.i [2023-08-30 09:03:54,573 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 09:03:54,581 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 09:03:54,582 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-30 09:03:54,582 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 09:03:54,810 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 09:03:54,867 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 943 places, 996 transitions, 2008 flow [2023-08-30 09:03:55,154 INFO L130 PetriNetUnfolder]: 60/994 cut-off events. [2023-08-30 09:03:55,155 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:03:55,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1003 conditions, 994 events. 60/994 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1921 event pairs, 0 based on Foata normal form. 0/896 useless extension candidates. Maximal degree in co-relation 827. Up to 9 conditions per place. [2023-08-30 09:03:55,169 INFO L82 GeneralOperation]: Start removeDead. Operand has 943 places, 996 transitions, 2008 flow [2023-08-30 09:03:55,182 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 933 places, 986 transitions, 1981 flow [2023-08-30 09:03:55,185 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 09:03:55,199 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 933 places, 986 transitions, 1981 flow [2023-08-30 09:03:55,205 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 933 places, 986 transitions, 1981 flow [2023-08-30 09:03:55,206 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 933 places, 986 transitions, 1981 flow [2023-08-30 09:03:55,434 INFO L130 PetriNetUnfolder]: 60/986 cut-off events. [2023-08-30 09:03:55,435 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 09:03:55,439 INFO L83 FinitePrefix]: Finished finitePrefix Result has 994 conditions, 986 events. 60/986 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1767 event pairs, 0 based on Foata normal form. 0/888 useless extension candidates. Maximal degree in co-relation 827. Up to 9 conditions per place. [2023-08-30 09:03:55,464 INFO L119 LiptonReduction]: Number of co-enabled transitions 61180 [2023-08-30 09:07:57,303 WARN L222 SmtUtils]: Spent 2.50m on a formula simplification. DAG size of input: 669 DAG size of output: 667 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:08:30,241 WARN L222 SmtUtils]: Spent 32.91s on a formula simplification that was a NOOP. DAG size: 581 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:11:08,761 WARN L222 SmtUtils]: Spent 2.64m on a formula simplification. DAG size of input: 672 DAG size of output: 670 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:12:13,198 WARN L222 SmtUtils]: Spent 1.07m on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:12:26,753 INFO L134 LiptonReduction]: Checked pairs total: 51271 [2023-08-30 09:12:26,753 INFO L136 LiptonReduction]: Total number of compositions: 1207 [2023-08-30 09:12:26,765 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 09:12:26,769 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;@4458acc6, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 09:12:26,769 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-30 09:12:26,777 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 09:12:26,778 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:12:26,778 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:26,778 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 09:12:26,779 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:26,783 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:26,783 INFO L85 PathProgramCache]: Analyzing trace with hash 3839474, now seen corresponding path program 1 times [2023-08-30 09:12:26,791 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:26,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827172836] [2023-08-30 09:12:26,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:26,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:27,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:27,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827172836] [2023-08-30 09:12:27,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827172836] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:27,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:12:27,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:12:27,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070005085] [2023-08-30 09:12:27,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:27,307 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 09:12:27,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:27,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 09:12:27,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 09:12:27,338 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 935 out of 2203 [2023-08-30 09:12:27,344 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 90 transitions, 189 flow. Second operand has 2 states, 2 states have (on average 936.5) internal successors, (1873), 2 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:27,344 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:27,345 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 935 of 2203 [2023-08-30 09:12:27,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:27,687 INFO L130 PetriNetUnfolder]: 133/266 cut-off events. [2023-08-30 09:12:27,687 INFO L131 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2023-08-30 09:12:27,688 INFO L83 FinitePrefix]: Finished finitePrefix Result has 558 conditions, 266 events. 133/266 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 837 event pairs, 123 based on Foata normal form. 0/221 useless extension candidates. Maximal degree in co-relation 378. Up to 267 conditions per place. [2023-08-30 09:12:27,690 INFO L137 encePairwiseOnDemand]: 2159/2203 looper letters, 40 selfloop transitions, 0 changer transitions 6/46 dead transitions. [2023-08-30 09:12:27,690 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 46 transitions, 193 flow [2023-08-30 09:12:27,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 09:12:27,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 09:12:27,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1960 transitions. [2023-08-30 09:12:27,712 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4448479346345892 [2023-08-30 09:12:27,713 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1960 transitions. [2023-08-30 09:12:27,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1960 transitions. [2023-08-30 09:12:27,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:27,719 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1960 transitions. [2023-08-30 09:12:27,727 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 980.0) internal successors, (1960), 2 states have internal predecessors, (1960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:27,739 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2203.0) internal successors, (6609), 3 states have internal predecessors, (6609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:27,746 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2203.0) internal successors, (6609), 3 states have internal predecessors, (6609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:27,747 INFO L175 Difference]: Start difference. First operand has 74 places, 90 transitions, 189 flow. Second operand 2 states and 1960 transitions. [2023-08-30 09:12:27,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 46 transitions, 193 flow [2023-08-30 09:12:27,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 46 transitions, 188 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 09:12:27,752 INFO L231 Difference]: Finished difference. Result has 41 places, 40 transitions, 84 flow [2023-08-30 09:12:27,754 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=84, PETRI_PLACES=41, PETRI_TRANSITIONS=40} [2023-08-30 09:12:27,757 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -33 predicate places. [2023-08-30 09:12:27,757 INFO L495 AbstractCegarLoop]: Abstraction has has 41 places, 40 transitions, 84 flow [2023-08-30 09:12:27,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 936.5) internal successors, (1873), 2 states have internal predecessors, (1873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:27,758 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:27,759 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:12:27,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 09:12:27,759 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:27,766 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:27,767 INFO L85 PathProgramCache]: Analyzing trace with hash -604957261, now seen corresponding path program 1 times [2023-08-30 09:12:27,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:27,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143736177] [2023-08-30 09:12:27,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:27,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:27,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:28,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:28,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:28,051 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143736177] [2023-08-30 09:12:28,051 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143736177] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:28,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:12:28,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:12:28,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153801422] [2023-08-30 09:12:28,052 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:28,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:12:28,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:28,054 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:12:28,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:12:28,077 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 926 out of 2203 [2023-08-30 09:12:28,080 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 40 transitions, 84 flow. Second operand has 3 states, 3 states have (on average 927.6666666666666) internal successors, (2783), 3 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:28,080 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:28,080 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 926 of 2203 [2023-08-30 09:12:28,080 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:28,674 INFO L130 PetriNetUnfolder]: 148/305 cut-off events. [2023-08-30 09:12:28,674 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-30 09:12:28,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627 conditions, 305 events. 148/305 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1098 event pairs, 138 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 624. Up to 160 conditions per place. [2023-08-30 09:12:28,676 INFO L137 encePairwiseOnDemand]: 2199/2203 looper letters, 54 selfloop transitions, 3 changer transitions 0/57 dead transitions. [2023-08-30 09:12:28,676 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 57 transitions, 236 flow [2023-08-30 09:12:28,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:12:28,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:12:28,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2836 transitions. [2023-08-30 09:12:28,683 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42911181721894387 [2023-08-30 09:12:28,683 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2836 transitions. [2023-08-30 09:12:28,683 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2836 transitions. [2023-08-30 09:12:28,684 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:28,684 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2836 transitions. [2023-08-30 09:12:28,690 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 945.3333333333334) internal successors, (2836), 3 states have internal predecessors, (2836), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:28,700 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:28,703 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:28,704 INFO L175 Difference]: Start difference. First operand has 41 places, 40 transitions, 84 flow. Second operand 3 states and 2836 transitions. [2023-08-30 09:12:28,704 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 57 transitions, 236 flow [2023-08-30 09:12:28,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 57 transitions, 236 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 09:12:28,706 INFO L231 Difference]: Finished difference. Result has 36 places, 39 transitions, 88 flow [2023-08-30 09:12:28,706 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2023-08-30 09:12:28,707 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -38 predicate places. [2023-08-30 09:12:28,707 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 39 transitions, 88 flow [2023-08-30 09:12:28,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 927.6666666666666) internal successors, (2783), 3 states have internal predecessors, (2783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:28,710 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:28,710 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:12:28,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 09:12:28,712 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:28,714 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:28,715 INFO L85 PathProgramCache]: Analyzing trace with hash -604957174, now seen corresponding path program 1 times [2023-08-30 09:12:28,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:28,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076510732] [2023-08-30 09:12:28,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:28,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:28,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:28,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:28,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076510732] [2023-08-30 09:12:28,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076510732] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:28,935 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:12:28,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:12:28,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918120959] [2023-08-30 09:12:28,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:28,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:12:28,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:28,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:12:28,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:12:28,959 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 927 out of 2203 [2023-08-30 09:12:28,962 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 39 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 928.6666666666666) internal successors, (2786), 3 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:28,962 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:28,962 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 927 of 2203 [2023-08-30 09:12:28,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:29,422 INFO L130 PetriNetUnfolder]: 216/443 cut-off events. [2023-08-30 09:12:29,422 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-30 09:12:29,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 914 conditions, 443 events. 216/443 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1831 event pairs, 207 based on Foata normal form. 0/359 useless extension candidates. Maximal degree in co-relation 910. Up to 290 conditions per place. [2023-08-30 09:12:29,424 INFO L137 encePairwiseOnDemand]: 2198/2203 looper letters, 49 selfloop transitions, 4 changer transitions 0/53 dead transitions. [2023-08-30 09:12:29,424 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 53 transitions, 226 flow [2023-08-30 09:12:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:12:29,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:12:29,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2835 transitions. [2023-08-30 09:12:29,433 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4289605083976396 [2023-08-30 09:12:29,433 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2835 transitions. [2023-08-30 09:12:29,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2835 transitions. [2023-08-30 09:12:29,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:29,435 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2835 transitions. [2023-08-30 09:12:29,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 945.0) internal successors, (2835), 3 states have internal predecessors, (2835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:29,450 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:29,454 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:29,454 INFO L175 Difference]: Start difference. First operand has 36 places, 39 transitions, 88 flow. Second operand 3 states and 2835 transitions. [2023-08-30 09:12:29,454 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 53 transitions, 226 flow [2023-08-30 09:12:29,455 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 53 transitions, 220 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:12:29,456 INFO L231 Difference]: Finished difference. Result has 35 places, 38 transitions, 88 flow [2023-08-30 09:12:29,456 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=35, PETRI_TRANSITIONS=38} [2023-08-30 09:12:29,457 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -39 predicate places. [2023-08-30 09:12:29,458 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 38 transitions, 88 flow [2023-08-30 09:12:29,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 928.6666666666666) internal successors, (2786), 3 states have internal predecessors, (2786), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:29,459 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:29,459 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 09:12:29,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 09:12:29,460 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:29,460 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:29,460 INFO L85 PathProgramCache]: Analyzing trace with hash -1573788701, now seen corresponding path program 1 times [2023-08-30 09:12:29,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:29,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375505881] [2023-08-30 09:12:29,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:29,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:29,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:29,690 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:29,690 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375505881] [2023-08-30 09:12:29,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375505881] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:29,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:12:29,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:12:29,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611536849] [2023-08-30 09:12:29,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:29,693 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:12:29,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:29,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:12:29,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:12:29,715 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 928 out of 2203 [2023-08-30 09:12:29,718 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 38 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 930.0) internal successors, (2790), 3 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:29,718 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:29,718 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 928 of 2203 [2023-08-30 09:12:29,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:30,181 INFO L130 PetriNetUnfolder]: 147/302 cut-off events. [2023-08-30 09:12:30,181 INFO L131 PetriNetUnfolder]: For 12/12 co-relation queries the response was YES. [2023-08-30 09:12:30,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 626 conditions, 302 events. 147/302 cut-off events. For 12/12 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1085 event pairs, 138 based on Foata normal form. 0/243 useless extension candidates. Maximal degree in co-relation 622. Up to 301 conditions per place. [2023-08-30 09:12:30,183 INFO L137 encePairwiseOnDemand]: 2198/2203 looper letters, 36 selfloop transitions, 3 changer transitions 0/39 dead transitions. [2023-08-30 09:12:30,183 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 39 transitions, 168 flow [2023-08-30 09:12:30,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:12:30,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:12:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2825 transitions. [2023-08-30 09:12:30,190 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42744742018459675 [2023-08-30 09:12:30,190 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2825 transitions. [2023-08-30 09:12:30,190 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2825 transitions. [2023-08-30 09:12:30,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:30,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2825 transitions. [2023-08-30 09:12:30,196 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 941.6666666666666) internal successors, (2825), 3 states have internal predecessors, (2825), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:30,205 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:30,207 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:30,208 INFO L175 Difference]: Start difference. First operand has 35 places, 38 transitions, 88 flow. Second operand 3 states and 2825 transitions. [2023-08-30 09:12:30,208 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 39 transitions, 168 flow [2023-08-30 09:12:30,208 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 39 transitions, 160 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:12:30,209 INFO L231 Difference]: Finished difference. Result has 36 places, 39 transitions, 97 flow [2023-08-30 09:12:30,209 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=97, PETRI_PLACES=36, PETRI_TRANSITIONS=39} [2023-08-30 09:12:30,210 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -38 predicate places. [2023-08-30 09:12:30,210 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 39 transitions, 97 flow [2023-08-30 09:12:30,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 930.0) internal successors, (2790), 3 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:30,212 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:30,212 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:30,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 09:12:30,212 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:30,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:30,213 INFO L85 PathProgramCache]: Analyzing trace with hash -1542802778, now seen corresponding path program 1 times [2023-08-30 09:12:30,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:30,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618016505] [2023-08-30 09:12:30,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:30,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:30,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:30,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:30,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:30,428 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618016505] [2023-08-30 09:12:30,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618016505] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:12:30,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1528922408] [2023-08-30 09:12:30,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:30,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:30,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:12:30,437 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) [2023-08-30 09:12:30,466 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-08-30 09:12:30,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:30,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 1115 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 09:12:30,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:12:31,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:31,015 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 09:12:31,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1528922408] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:31,015 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 09:12:31,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2023-08-30 09:12:31,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543421958] [2023-08-30 09:12:31,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:31,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 09:12:31,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:31,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 09:12:31,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-08-30 09:12:31,063 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 928 out of 2203 [2023-08-30 09:12:31,066 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 39 transitions, 97 flow. Second operand has 4 states, 4 states have (on average 929.75) internal successors, (3719), 4 states have internal predecessors, (3719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:31,066 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:31,066 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 928 of 2203 [2023-08-30 09:12:31,066 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:31,648 INFO L130 PetriNetUnfolder]: 147/301 cut-off events. [2023-08-30 09:12:31,649 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 09:12:31,649 INFO L83 FinitePrefix]: Finished finitePrefix Result has 627 conditions, 301 events. 147/301 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1039 event pairs, 138 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 622. Up to 158 conditions per place. [2023-08-30 09:12:31,650 INFO L137 encePairwiseOnDemand]: 2199/2203 looper letters, 50 selfloop transitions, 3 changer transitions 0/53 dead transitions. [2023-08-30 09:12:31,650 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 53 transitions, 233 flow [2023-08-30 09:12:31,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 09:12:31,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 09:12:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3766 transitions. [2023-08-30 09:12:31,660 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42737176577394465 [2023-08-30 09:12:31,660 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3766 transitions. [2023-08-30 09:12:31,661 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3766 transitions. [2023-08-30 09:12:31,662 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:31,663 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3766 transitions. [2023-08-30 09:12:31,669 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 941.5) internal successors, (3766), 4 states have internal predecessors, (3766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:31,681 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 2203.0) internal successors, (11015), 5 states have internal predecessors, (11015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:31,683 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 2203.0) internal successors, (11015), 5 states have internal predecessors, (11015), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:31,683 INFO L175 Difference]: Start difference. First operand has 36 places, 39 transitions, 97 flow. Second operand 4 states and 3766 transitions. [2023-08-30 09:12:31,683 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 53 transitions, 233 flow [2023-08-30 09:12:31,684 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 53 transitions, 228 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 09:12:31,685 INFO L231 Difference]: Finished difference. Result has 37 places, 38 transitions, 94 flow [2023-08-30 09:12:31,685 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=94, PETRI_PLACES=37, PETRI_TRANSITIONS=38} [2023-08-30 09:12:31,686 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -37 predicate places. [2023-08-30 09:12:31,686 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 94 flow [2023-08-30 09:12:31,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 929.75) internal successors, (3719), 4 states have internal predecessors, (3719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:31,688 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:31,688 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:31,699 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-08-30 09:12:31,896 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:31,896 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:31,897 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:31,897 INFO L85 PathProgramCache]: Analyzing trace with hash -2108244914, now seen corresponding path program 1 times [2023-08-30 09:12:31,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:31,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [625779494] [2023-08-30 09:12:31,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:31,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:32,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:32,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:32,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:32,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [625779494] [2023-08-30 09:12:32,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [625779494] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:32,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:12:32,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:12:32,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643281483] [2023-08-30 09:12:32,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:32,774 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:12:32,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:32,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:12:32,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:12:32,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 927 out of 2203 [2023-08-30 09:12:32,816 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 930.0) internal successors, (2790), 3 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:32,817 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:32,817 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 927 of 2203 [2023-08-30 09:12:32,817 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:33,776 INFO L130 PetriNetUnfolder]: 147/302 cut-off events. [2023-08-30 09:12:33,777 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 09:12:33,777 INFO L83 FinitePrefix]: Finished finitePrefix Result has 630 conditions, 302 events. 147/302 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 1038 event pairs, 138 based on Foata normal form. 0/245 useless extension candidates. Maximal degree in co-relation 625. Up to 302 conditions per place. [2023-08-30 09:12:33,778 INFO L137 encePairwiseOnDemand]: 2199/2203 looper letters, 37 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2023-08-30 09:12:33,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 39 transitions, 174 flow [2023-08-30 09:12:33,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:12:33,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:12:33,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2821 transitions. [2023-08-30 09:12:33,786 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42684218489937964 [2023-08-30 09:12:33,786 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2821 transitions. [2023-08-30 09:12:33,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2821 transitions. [2023-08-30 09:12:33,787 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:33,788 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2821 transitions. [2023-08-30 09:12:33,792 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 940.3333333333334) internal successors, (2821), 3 states have internal predecessors, (2821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:33,801 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:33,802 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:33,802 INFO L175 Difference]: Start difference. First operand has 37 places, 38 transitions, 94 flow. Second operand 3 states and 2821 transitions. [2023-08-30 09:12:33,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 39 transitions, 174 flow [2023-08-30 09:12:33,803 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 39 transitions, 169 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:12:33,804 INFO L231 Difference]: Finished difference. Result has 38 places, 39 transitions, 103 flow [2023-08-30 09:12:33,805 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=89, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=38, PETRI_TRANSITIONS=39} [2023-08-30 09:12:33,807 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -36 predicate places. [2023-08-30 09:12:33,807 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 39 transitions, 103 flow [2023-08-30 09:12:33,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 930.0) internal successors, (2790), 3 states have internal predecessors, (2790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:33,808 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:33,808 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:33,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-08-30 09:12:33,809 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_changeErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:33,809 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:33,809 INFO L85 PathProgramCache]: Analyzing trace with hash 991368202, now seen corresponding path program 1 times [2023-08-30 09:12:33,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:33,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323026949] [2023-08-30 09:12:33,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:33,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:33,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:34,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:34,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:34,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323026949] [2023-08-30 09:12:34,571 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323026949] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:12:34,571 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961847879] [2023-08-30 09:12:34,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:34,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:34,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:12:34,573 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) [2023-08-30 09:12:34,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-08-30 09:12:35,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:35,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 1112 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-30 09:12:35,285 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:12:35,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-30 09:12:35,425 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 09:12:35,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961847879] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:35,425 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 09:12:35,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-30 09:12:35,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525843813] [2023-08-30 09:12:35,426 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:35,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:12:35,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:35,426 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:12:35,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 09:12:35,452 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 930 out of 2203 [2023-08-30 09:12:35,455 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 39 transitions, 103 flow. Second operand has 3 states, 3 states have (on average 933.3333333333334) internal successors, (2800), 3 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:35,455 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:35,455 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 930 of 2203 [2023-08-30 09:12:35,455 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:36,322 INFO L130 PetriNetUnfolder]: 129/268 cut-off events. [2023-08-30 09:12:36,322 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2023-08-30 09:12:36,322 INFO L83 FinitePrefix]: Finished finitePrefix Result has 567 conditions, 268 events. 129/268 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 892 event pairs, 48 based on Foata normal form. 0/227 useless extension candidates. Maximal degree in co-relation 561. Up to 136 conditions per place. [2023-08-30 09:12:36,323 INFO L137 encePairwiseOnDemand]: 2201/2203 looper letters, 42 selfloop transitions, 1 changer transitions 0/43 dead transitions. [2023-08-30 09:12:36,324 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 43 transitions, 198 flow [2023-08-30 09:12:36,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:12:36,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:12:36,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2832 transitions. [2023-08-30 09:12:36,331 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42850658193372676 [2023-08-30 09:12:36,331 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2832 transitions. [2023-08-30 09:12:36,331 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2832 transitions. [2023-08-30 09:12:36,333 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:36,333 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2832 transitions. [2023-08-30 09:12:36,338 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 944.0) internal successors, (2832), 3 states have internal predecessors, (2832), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:36,346 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:36,347 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:36,348 INFO L175 Difference]: Start difference. First operand has 38 places, 39 transitions, 103 flow. Second operand 3 states and 2832 transitions. [2023-08-30 09:12:36,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 43 transitions, 198 flow [2023-08-30 09:12:36,348 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 43 transitions, 194 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 09:12:36,349 INFO L231 Difference]: Finished difference. Result has 38 places, 38 transitions, 99 flow [2023-08-30 09:12:36,349 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=99, PETRI_PLACES=38, PETRI_TRANSITIONS=38} [2023-08-30 09:12:36,350 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -36 predicate places. [2023-08-30 09:12:36,350 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 38 transitions, 99 flow [2023-08-30 09:12:36,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 933.3333333333334) internal successors, (2800), 3 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:36,351 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:36,351 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:36,363 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-30 09:12:36,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2023-08-30 09:12:36,561 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_changeErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:36,561 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:36,562 INFO L85 PathProgramCache]: Analyzing trace with hash 991368598, now seen corresponding path program 1 times [2023-08-30 09:12:36,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:36,562 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1879467680] [2023-08-30 09:12:36,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:36,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:36,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-30 09:12:36,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:36,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1879467680] [2023-08-30 09:12:36,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1879467680] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:12:36,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:12:36,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:12:36,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338074599] [2023-08-30 09:12:36,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:12:36,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:12:36,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:36,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:12:36,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:12:36,827 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 930 out of 2203 [2023-08-30 09:12:36,829 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 38 transitions, 99 flow. Second operand has 3 states, 3 states have (on average 933.3333333333334) internal successors, (2800), 3 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:36,830 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:36,830 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 930 of 2203 [2023-08-30 09:12:36,830 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:37,666 INFO L130 PetriNetUnfolder]: 111/234 cut-off events. [2023-08-30 09:12:37,667 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2023-08-30 09:12:37,667 INFO L83 FinitePrefix]: Finished finitePrefix Result has 513 conditions, 234 events. 111/234 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 747 event pairs, 30 based on Foata normal form. 0/209 useless extension candidates. Maximal degree in co-relation 507. Up to 136 conditions per place. [2023-08-30 09:12:37,668 INFO L137 encePairwiseOnDemand]: 2201/2203 looper letters, 41 selfloop transitions, 1 changer transitions 0/42 dead transitions. [2023-08-30 09:12:37,668 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 192 flow [2023-08-30 09:12:37,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:12:37,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:12:37,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2831 transitions. [2023-08-30 09:12:37,676 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42835527311242244 [2023-08-30 09:12:37,676 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2831 transitions. [2023-08-30 09:12:37,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2831 transitions. [2023-08-30 09:12:37,677 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:37,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2831 transitions. [2023-08-30 09:12:37,682 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 943.6666666666666) internal successors, (2831), 3 states have internal predecessors, (2831), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:37,691 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:37,692 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2203.0) internal successors, (8812), 4 states have internal predecessors, (8812), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:37,692 INFO L175 Difference]: Start difference. First operand has 38 places, 38 transitions, 99 flow. Second operand 3 states and 2831 transitions. [2023-08-30 09:12:37,693 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 192 flow [2023-08-30 09:12:37,695 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 42 transitions, 191 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 09:12:37,696 INFO L231 Difference]: Finished difference. Result has 38 places, 37 transitions, 98 flow [2023-08-30 09:12:37,696 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=38, PETRI_TRANSITIONS=37} [2023-08-30 09:12:37,699 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -36 predicate places. [2023-08-30 09:12:37,699 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 37 transitions, 98 flow [2023-08-30 09:12:37,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 933.3333333333334) internal successors, (2800), 3 states have internal predecessors, (2800), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:37,700 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:37,700 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:37,700 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-08-30 09:12:37,700 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:37,701 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:37,701 INFO L85 PathProgramCache]: Analyzing trace with hash 991368601, now seen corresponding path program 1 times [2023-08-30 09:12:37,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:37,701 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517452023] [2023-08-30 09:12:37,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:37,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:38,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:38,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:38,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517452023] [2023-08-30 09:12:38,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517452023] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:12:38,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1449609581] [2023-08-30 09:12:38,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:38,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:38,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:12:38,343 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 09:12:38,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-08-30 09:12:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:39,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 1114 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-30 09:12:39,667 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:12:39,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:39,703 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:12:39,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:39,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1449609581] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:12:39,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:12:39,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2023-08-30 09:12:39,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562101062] [2023-08-30 09:12:39,977 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:12:39,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-08-30 09:12:39,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:39,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-08-30 09:12:39,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2023-08-30 09:12:40,067 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 923 out of 2203 [2023-08-30 09:12:40,071 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 37 transitions, 98 flow. Second operand has 7 states, 7 states have (on average 925.1428571428571) internal successors, (6476), 7 states have internal predecessors, (6476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:40,071 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:40,071 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 923 of 2203 [2023-08-30 09:12:40,071 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:41,270 INFO L130 PetriNetUnfolder]: 111/239 cut-off events. [2023-08-30 09:12:41,271 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2023-08-30 09:12:41,271 INFO L83 FinitePrefix]: Finished finitePrefix Result has 542 conditions, 239 events. 111/239 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 693 event pairs, 102 based on Foata normal form. 0/214 useless extension candidates. Maximal degree in co-relation 536. Up to 234 conditions per place. [2023-08-30 09:12:41,272 INFO L137 encePairwiseOnDemand]: 2195/2203 looper letters, 34 selfloop transitions, 8 changer transitions 0/42 dead transitions. [2023-08-30 09:12:41,272 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 42 transitions, 198 flow [2023-08-30 09:12:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 09:12:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 09:12:41,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5589 transitions. [2023-08-30 09:12:41,286 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4228325011348162 [2023-08-30 09:12:41,286 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5589 transitions. [2023-08-30 09:12:41,286 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5589 transitions. [2023-08-30 09:12:41,289 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:41,289 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5589 transitions. [2023-08-30 09:12:41,297 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 931.5) internal successors, (5589), 6 states have internal predecessors, (5589), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:41,309 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2203.0) internal successors, (15421), 7 states have internal predecessors, (15421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:41,311 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2203.0) internal successors, (15421), 7 states have internal predecessors, (15421), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:41,311 INFO L175 Difference]: Start difference. First operand has 38 places, 37 transitions, 98 flow. Second operand 6 states and 5589 transitions. [2023-08-30 09:12:41,312 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 42 transitions, 198 flow [2023-08-30 09:12:41,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 42 transitions, 197 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 09:12:41,313 INFO L231 Difference]: Finished difference. Result has 45 places, 42 transitions, 163 flow [2023-08-30 09:12:41,314 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=163, PETRI_PLACES=45, PETRI_TRANSITIONS=42} [2023-08-30 09:12:41,314 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -29 predicate places. [2023-08-30 09:12:41,315 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 42 transitions, 163 flow [2023-08-30 09:12:41,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 925.1428571428571) internal successors, (6476), 7 states have internal predecessors, (6476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:41,316 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:41,317 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:41,332 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-30 09:12:41,527 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:41,528 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:41,528 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:41,528 INFO L85 PathProgramCache]: Analyzing trace with hash -611529507, now seen corresponding path program 2 times [2023-08-30 09:12:41,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:41,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196632484] [2023-08-30 09:12:41,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:41,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:42,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:42,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196632484] [2023-08-30 09:12:42,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [196632484] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:12:42,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1295524528] [2023-08-30 09:12:42,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 09:12:42,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:42,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:12:42,725 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 09:12:42,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-08-30 09:12:44,022 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-30 09:12:44,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 09:12:44,030 INFO L263 TraceCheckSpWp]: Trace formula consists of 1165 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-30 09:12:44,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:12:44,115 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:44,115 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:12:44,405 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:44,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1295524528] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:12:44,405 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:12:44,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-30 09:12:44,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929254350] [2023-08-30 09:12:44,405 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:12:44,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-30 09:12:44,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:44,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-30 09:12:44,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2023-08-30 09:12:44,843 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 921 out of 2203 [2023-08-30 09:12:44,852 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 42 transitions, 163 flow. Second operand has 17 states, 17 states have (on average 922.4705882352941) internal successors, (15682), 17 states have internal predecessors, (15682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:44,852 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:12:44,852 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 921 of 2203 [2023-08-30 09:12:44,853 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:12:47,581 INFO L130 PetriNetUnfolder]: 111/248 cut-off events. [2023-08-30 09:12:47,581 INFO L131 PetriNetUnfolder]: For 31/31 co-relation queries the response was YES. [2023-08-30 09:12:47,582 INFO L83 FinitePrefix]: Finished finitePrefix Result has 603 conditions, 248 events. 111/248 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 674 event pairs, 102 based on Foata normal form. 9/235 useless extension candidates. Maximal degree in co-relation 594. Up to 234 conditions per place. [2023-08-30 09:12:47,583 INFO L137 encePairwiseOnDemand]: 2195/2203 looper letters, 34 selfloop transitions, 17 changer transitions 0/51 dead transitions. [2023-08-30 09:12:47,583 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 51 transitions, 313 flow [2023-08-30 09:12:47,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 09:12:47,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 09:12:47,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 11120 transitions. [2023-08-30 09:12:47,601 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42063852322590406 [2023-08-30 09:12:47,601 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 11120 transitions. [2023-08-30 09:12:47,601 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 11120 transitions. [2023-08-30 09:12:47,605 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:12:47,605 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 11120 transitions. [2023-08-30 09:12:47,620 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 926.6666666666666) internal successors, (11120), 12 states have internal predecessors, (11120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:47,642 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 2203.0) internal successors, (28639), 13 states have internal predecessors, (28639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:47,647 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 2203.0) internal successors, (28639), 13 states have internal predecessors, (28639), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:47,648 INFO L175 Difference]: Start difference. First operand has 45 places, 42 transitions, 163 flow. Second operand 12 states and 11120 transitions. [2023-08-30 09:12:47,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 51 transitions, 313 flow [2023-08-30 09:12:47,650 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 51 transitions, 303 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-30 09:12:47,651 INFO L231 Difference]: Finished difference. Result has 61 places, 51 transitions, 297 flow [2023-08-30 09:12:47,651 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=153, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=297, PETRI_PLACES=61, PETRI_TRANSITIONS=51} [2023-08-30 09:12:47,652 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, -13 predicate places. [2023-08-30 09:12:47,652 INFO L495 AbstractCegarLoop]: Abstraction has has 61 places, 51 transitions, 297 flow [2023-08-30 09:12:47,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 922.4705882352941) internal successors, (15682), 17 states have internal predecessors, (15682), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:12:47,656 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:12:47,656 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:12:47,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-30 09:12:47,870 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:47,870 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:12:47,871 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:12:47,871 INFO L85 PathProgramCache]: Analyzing trace with hash 343855965, now seen corresponding path program 3 times [2023-08-30 09:12:47,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:12:47,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187456362] [2023-08-30 09:12:47,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:12:47,872 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:12:48,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:12:49,298 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:49,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:12:49,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187456362] [2023-08-30 09:12:49,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187456362] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:12:49,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1906994347] [2023-08-30 09:12:49,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-30 09:12:49,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:12:49,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:12:49,301 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 09:12:49,326 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-30 09:12:55,405 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-30 09:12:55,406 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 09:12:55,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 1267 conjuncts, 32 conjunts are in the unsatisfiable core [2023-08-30 09:12:55,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:12:55,697 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:55,697 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:12:56,367 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:12:56,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1906994347] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:12:56,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:12:56,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2023-08-30 09:12:56,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175201822] [2023-08-30 09:12:56,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:12:56,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-08-30 09:12:56,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:12:56,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-08-30 09:12:56,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=870, Unknown=0, NotChecked=0, Total=1190 [2023-08-30 09:13:00,747 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 921 out of 2203 [2023-08-30 09:13:00,768 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 51 transitions, 297 flow. Second operand has 35 states, 35 states have (on average 922.2285714285714) internal successors, (32278), 35 states have internal predecessors, (32278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:13:00,768 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:13:00,768 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 921 of 2203 [2023-08-30 09:13:00,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:13:24,987 WARN L222 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 09:13:38,040 WARN L222 SmtUtils]: Spent 8.18s on a formula simplification. DAG size of input: 61 DAG size of output: 43 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 09:13:53,731 INFO L130 PetriNetUnfolder]: 111/266 cut-off events. [2023-08-30 09:13:53,731 INFO L131 PetriNetUnfolder]: For 538/538 co-relation queries the response was YES. [2023-08-30 09:13:53,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 737 conditions, 266 events. 111/266 cut-off events. For 538/538 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 650 event pairs, 102 based on Foata normal form. 18/262 useless extension candidates. Maximal degree in co-relation 721. Up to 229 conditions per place. [2023-08-30 09:13:53,733 INFO L137 encePairwiseOnDemand]: 2195/2203 looper letters, 30 selfloop transitions, 39 changer transitions 0/69 dead transitions. [2023-08-30 09:13:53,733 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 69 transitions, 567 flow [2023-08-30 09:13:53,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-30 09:13:53,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-30 09:13:53,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 23129 transitions. [2023-08-30 09:13:53,768 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41995460735360873 [2023-08-30 09:13:53,769 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 23129 transitions. [2023-08-30 09:13:53,769 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 23129 transitions. [2023-08-30 09:13:53,774 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:13:53,774 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 23129 transitions. [2023-08-30 09:13:53,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 925.16) internal successors, (23129), 25 states have internal predecessors, (23129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:13:53,879 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 2203.0) internal successors, (57278), 26 states have internal predecessors, (57278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:13:53,889 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 2203.0) internal successors, (57278), 26 states have internal predecessors, (57278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:13:53,890 INFO L175 Difference]: Start difference. First operand has 61 places, 51 transitions, 297 flow. Second operand 25 states and 23129 transitions. [2023-08-30 09:13:53,890 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 69 transitions, 567 flow [2023-08-30 09:13:53,894 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 69 transitions, 491 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-30 09:13:53,898 INFO L231 Difference]: Finished difference. Result has 83 places, 69 transitions, 435 flow [2023-08-30 09:13:53,898 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2203, PETRI_DIFFERENCE_MINUEND_FLOW=257, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=435, PETRI_PLACES=83, PETRI_TRANSITIONS=69} [2023-08-30 09:13:53,898 INFO L281 CegarLoopForPetriNet]: 74 programPoint places, 9 predicate places. [2023-08-30 09:13:53,898 INFO L495 AbstractCegarLoop]: Abstraction has has 83 places, 69 transitions, 435 flow [2023-08-30 09:13:53,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 922.2285714285714) internal successors, (32278), 35 states have internal predecessors, (32278), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:13:53,906 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:13:53,906 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-08-30 09:13:53,928 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-30 09:13:54,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-08-30 09:13:54,129 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting whoop_wrapper_pc8736x_gpio_changeErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:13:54,129 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:13:54,129 INFO L85 PathProgramCache]: Analyzing trace with hash -636600227, now seen corresponding path program 4 times [2023-08-30 09:13:54,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:13:54,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892384652] [2023-08-30 09:13:54,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:13:54,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:13:54,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:13:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:13:56,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:13:56,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1892384652] [2023-08-30 09:13:56,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1892384652] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:13:56,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1678420146] [2023-08-30 09:13:56,350 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-30 09:13:56,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:13:56,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:13:56,352 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 09:13:56,353 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-30 09:14:03,344 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-30 09:14:03,344 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 09:14:03,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 1471 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-30 09:14:03,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:14:04,079 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:14:04,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:14:05,755 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 09:14:05,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1678420146] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:14:05,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:14:05,756 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-08-30 09:14:05,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848151694] [2023-08-30 09:14:05,756 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:14:05,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-08-30 09:14:05,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:14:05,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-08-30 09:14:05,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=3746, Unknown=0, NotChecked=0, Total=4970 [2023-08-30 09:14:12,731 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 921 out of 2203 [2023-08-30 09:14:12,760 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 69 transitions, 435 flow. Second operand has 71 states, 71 states have (on average 922.112676056338) internal successors, (65470), 71 states have internal predecessors, (65470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 09:14:12,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:14:12,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 921 of 2203 [2023-08-30 09:14:12,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:14:22,647 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 22) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 09:14:24,658 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 09:14:26,672 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 09:15:15,980 WARN L222 SmtUtils]: Spent 20.19s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 09:17:03,432 WARN L222 SmtUtils]: Spent 46.18s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 09:17:05,045 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:17:08,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:17:10,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:17:12,496 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 09:17:15,293 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false Killed by 15