./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i --full-output --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --architecture 32bit -------------------------------------------------------------------------------- Checking for 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_configure_pc8736x_gpio_set.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 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 --traceabstraction.when.to.check.the.insufficient.erros.location.relative.to.the.other.error.locations AFTER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 09:11:50,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 09:11:50,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 09:11:50,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 09:11:50,448 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 09:11:50,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 09:11:50,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 09:11:50,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 09:11:50,458 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 09:11:50,463 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 09:11:50,464 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 09:11:50,466 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 09:11:50,467 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 09:11:50,468 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 09:11:50,470 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 09:11:50,471 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 09:11:50,473 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 09:11:50,474 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 09:11:50,476 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 09:11:50,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 09:11:50,484 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 09:11:50,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 09:11:50,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 09:11:50,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 09:11:50,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 09:11:50,496 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 09:11:50,496 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 09:11:50,497 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 09:11:50,498 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 09:11:50,499 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 09:11:50,499 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 09:11:50,502 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 09:11:50,504 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 09:11:50,505 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 09:11:50,506 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 09:11:50,506 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 09:11:50,507 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 09:11:50,507 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 09:11:50,507 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 09:11:50,508 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 09:11:50,508 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 09:11:50,509 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 09:11:50,537 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 09:11:50,537 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 09:11:50,538 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 09:11:50,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 09:11:50,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 09:11:50,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 09:11:50,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 09:11:50,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 09:11:50,540 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 09:11:50,540 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 09:11:50,541 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 09:11:50,541 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 09:11:50,541 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 09:11:50,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 09:11:50,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 09:11:50,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 09:11:50,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 09:11:50,542 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 09:11:50,542 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 09:11:50,543 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 09:11:50,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 09:11:50,543 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 09:11:50,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 09:11:50,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 09:11:50,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 09:11:50,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 09:11:50,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:11:50,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 09:11:50,544 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 09:11:50,544 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 09:11:50,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 09:11:50,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 09:11:50,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 09:11:50,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 09:11:50,545 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 09:11:50,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 09:11:50,546 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 09:11:50,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> AFTER [2023-08-30 09:11:50,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 09:11:50,868 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 09:11:50,870 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 09:11:50,871 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 09:11:50,871 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 09:11:50,873 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-30 09:11:51,950 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 09:11:52,469 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 09:11:52,469 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-30 09:11:52,507 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ed7e484/e3bf4b7ad30543b59203b1bf640e124b/FLAGc51ef5121 [2023-08-30 09:11:52,526 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05ed7e484/e3bf4b7ad30543b59203b1bf640e124b [2023-08-30 09:11:52,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 09:11:52,531 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 09:11:52,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 09:11:52,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 09:11:52,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 09:11:52,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:11:52" (1/1) ... [2023-08-30 09:11:52,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3712234d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:52, skipping insertion in model container [2023-08-30 09:11:52,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 09:11:52" (1/1) ... [2023-08-30 09:11:52,545 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 09:11:52,660 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 09:11:52,944 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i[5469,5482] [2023-08-30 09:11:56,177 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:11:56,724 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:11:56,725 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:11:56,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:11:56,802 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 09:11:56,812 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i[5469,5482] [2023-08-30 09:11:56,983 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 09:11:57,071 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:11:57,072 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 09:11:57,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 09:11:57,656 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,657 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,657 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,657 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,657 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,657 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,657 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 09:11:57,663 INFO L208 MainTranslator]: Completed translation [2023-08-30 09:11:57,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57 WrapperNode [2023-08-30 09:11:57,664 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 09:11:57,665 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 09:11:57,665 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 09:11:57,665 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 09:11:57,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,862 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 838 [2023-08-30 09:11:57,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 09:11:57,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 09:11:57,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 09:11:57,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 09:11:57,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,946 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,962 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,967 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 09:11:57,990 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 09:11:57,991 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 09:11:57,991 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 09:11:57,991 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (1/1) ... [2023-08-30 09:11:57,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 09:11:58,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:11:58,022 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 09:11:58,046 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 09:11:58,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 09:11:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 09:11:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 09:11:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 09:11:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 09:11:58,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 09:11:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 09:11:58,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 09:11:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 09:11:58,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 09:11:58,098 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:11:58,098 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 09:11:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 09:11:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 09:11:58,099 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 09:11:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 09:11:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 09:11:58,100 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 09:11:58,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 09:11:58,102 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 09:11:58,562 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 09:11:58,563 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 09:11:59,338 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 09:11:59,368 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 09:11:59,368 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-30 09:11:59,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:11:59 BoogieIcfgContainer [2023-08-30 09:11:59,371 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 09:11:59,373 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 09:11:59,373 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 09:11:59,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 09:11:59,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 09:11:52" (1/3) ... [2023-08-30 09:11:59,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2617edcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:11:59, skipping insertion in model container [2023-08-30 09:11:59,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 09:11:57" (2/3) ... [2023-08-30 09:11:59,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2617edcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 09:11:59, skipping insertion in model container [2023-08-30 09:11:59,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 09:11:59" (3/3) ... [2023-08-30 09:11:59,378 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-30 09:11:59,385 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 09:11:59,391 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 09:11:59,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-30 09:11:59,392 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 09:11:59,573 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 09:11:59,627 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 912 places, 963 transitions, 1942 flow [2023-08-30 09:11:59,923 INFO L130 PetriNetUnfolder]: 58/961 cut-off events. [2023-08-30 09:11:59,923 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 09:11:59,933 INFO L83 FinitePrefix]: Finished finitePrefix Result has 970 conditions, 961 events. 58/961 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1789 event pairs, 0 based on Foata normal form. 0/865 useless extension candidates. Maximal degree in co-relation 766. Up to 9 conditions per place. [2023-08-30 09:11:59,933 INFO L82 GeneralOperation]: Start removeDead. Operand has 912 places, 963 transitions, 1942 flow [2023-08-30 09:11:59,943 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 902 places, 953 transitions, 1915 flow [2023-08-30 09:11:59,946 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 09:11:59,954 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 902 places, 953 transitions, 1915 flow [2023-08-30 09:11:59,956 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 902 places, 953 transitions, 1915 flow [2023-08-30 09:11:59,957 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 902 places, 953 transitions, 1915 flow [2023-08-30 09:12:00,152 INFO L130 PetriNetUnfolder]: 58/953 cut-off events. [2023-08-30 09:12:00,153 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 09:12:00,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 953 events. 58/953 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1625 event pairs, 0 based on Foata normal form. 0/857 useless extension candidates. Maximal degree in co-relation 766. Up to 9 conditions per place. [2023-08-30 09:12:00,198 INFO L119 LiptonReduction]: Number of co-enabled transitions 48406 [2023-08-30 09:13:06,640 WARN L222 SmtUtils]: Spent 6.82s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:13:16,178 WARN L222 SmtUtils]: Spent 5.54s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:13:43,611 WARN L222 SmtUtils]: Spent 18.00s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:14:01,715 WARN L222 SmtUtils]: Spent 18.10s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:14:46,238 WARN L222 SmtUtils]: Spent 44.52s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:15:29,732 WARN L222 SmtUtils]: Spent 43.49s on a formula simplification that was a NOOP. DAG size: 534 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:16:38,333 WARN L222 SmtUtils]: Spent 49.86s on a formula simplification. DAG size of input: 593 DAG size of output: 591 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:17:03,677 WARN L222 SmtUtils]: Spent 25.34s 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 09:19:08,477 WARN L222 SmtUtils]: Spent 2.08m on a formula simplification. DAG size of input: 599 DAG size of output: 595 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 09:19:30,624 WARN L222 SmtUtils]: Spent 22.14s 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 09:19:30,660 INFO L134 LiptonReduction]: Checked pairs total: 40709 [2023-08-30 09:19:30,660 INFO L136 LiptonReduction]: Total number of compositions: 1158 [2023-08-30 09:19:30,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 09:19:30,676 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;@dcacad2, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 09:19:30,676 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-30 09:19:30,684 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 09:19:30,685 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:19:30,685 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:30,686 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 09:19:30,686 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 09:19:30,690 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:30,690 INFO L85 PathProgramCache]: Analyzing trace with hash 3694476, now seen corresponding path program 1 times [2023-08-30 09:19:30,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:30,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331024677] [2023-08-30 09:19:30,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:30,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:31,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:31,202 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 09:19:31,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:31,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331024677] [2023-08-30 09:19:31,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331024677] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:19:31,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:19:31,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:19:31,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378137148] [2023-08-30 09:19:31,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:19:31,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 09:19:31,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:31,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 09:19:31,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 09:19:31,238 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 904 out of 2121 [2023-08-30 09:19:31,242 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 86 transitions, 181 flow. Second operand has 2 states, 2 states have (on average 905.5) internal successors, (1811), 2 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states 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 09:19:31,242 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:31,243 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 904 of 2121 [2023-08-30 09:19:31,243 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:19:31,520 INFO L130 PetriNetUnfolder]: 115/232 cut-off events. [2023-08-30 09:19:31,520 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 09:19:31,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 232 events. 115/232 cut-off events. For 14/14 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 750 event pairs, 105 based on Foata normal form. 0/187 useless extension candidates. Maximal degree in co-relation 416. Up to 233 conditions per place. [2023-08-30 09:19:31,522 INFO L137 encePairwiseOnDemand]: 2079/2121 looper letters, 36 selfloop transitions, 0 changer transitions 8/44 dead transitions. [2023-08-30 09:19:31,522 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 44 transitions, 185 flow [2023-08-30 09:19:31,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 09:19:31,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 09:19:31,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1894 transitions. [2023-08-30 09:19:31,547 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4464875058934465 [2023-08-30 09:19:31,552 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1894 transitions. [2023-08-30 09:19:31,552 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1894 transitions. [2023-08-30 09:19:31,556 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:19:31,559 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1894 transitions. [2023-08-30 09:19:31,567 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 947.0) internal successors, (1894), 2 states have internal predecessors, (1894), 0 states have call successors, (0), 0 states 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 09:19:31,580 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 2121.0) internal successors, (6363), 3 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states 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 09:19:31,584 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 2121.0) internal successors, (6363), 3 states have internal predecessors, (6363), 0 states have call successors, (0), 0 states 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 09:19:31,585 INFO L175 Difference]: Start difference. First operand has 72 places, 86 transitions, 181 flow. Second operand 2 states and 1894 transitions. [2023-08-30 09:19:31,586 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 44 transitions, 185 flow [2023-08-30 09:19:31,589 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 44 transitions, 180 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-08-30 09:19:31,590 INFO L231 Difference]: Finished difference. Result has 39 places, 36 transitions, 75 flow [2023-08-30 09:19:31,592 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=92, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=75, PETRI_PLACES=39, PETRI_TRANSITIONS=36} [2023-08-30 09:19:31,597 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-30 09:19:31,597 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 36 transitions, 75 flow [2023-08-30 09:19:31,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 905.5) internal successors, (1811), 2 states have internal predecessors, (1811), 0 states have call successors, (0), 0 states 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 09:19:31,599 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:31,599 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:19:31,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 09:19:31,600 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 09:19:31,608 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:31,608 INFO L85 PathProgramCache]: Analyzing trace with hash -744309994, now seen corresponding path program 1 times [2023-08-30 09:19:31,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:31,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727036258] [2023-08-30 09:19:31,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:31,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:31,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:31,919 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 09:19:31,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:31,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727036258] [2023-08-30 09:19:31,923 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727036258] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:19:31,923 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:19:31,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 09:19:31,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691781990] [2023-08-30 09:19:31,924 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:19:31,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:19:31,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:31,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:19:31,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:19:31,952 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 894 out of 2121 [2023-08-30 09:19:31,955 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 895.6666666666666) internal successors, (2687), 3 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states 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 09:19:31,956 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:31,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 894 of 2121 [2023-08-30 09:19:31,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:19:32,294 INFO L130 PetriNetUnfolder]: 103/213 cut-off events. [2023-08-30 09:19:32,295 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:19:32,295 INFO L83 FinitePrefix]: Finished finitePrefix Result has 455 conditions, 213 events. 103/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 714 event pairs, 94 based on Foata normal form. 0/154 useless extension candidates. Maximal degree in co-relation 452. Up to 110 conditions per place. [2023-08-30 09:19:32,296 INFO L137 encePairwiseOnDemand]: 2115/2121 looper letters, 41 selfloop transitions, 4 changer transitions 0/45 dead transitions. [2023-08-30 09:19:32,296 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 45 transitions, 186 flow [2023-08-30 09:19:32,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:19:32,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:19:32,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2729 transitions. [2023-08-30 09:19:32,304 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288857457174289 [2023-08-30 09:19:32,305 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2729 transitions. [2023-08-30 09:19:32,305 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2729 transitions. [2023-08-30 09:19:32,306 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:19:32,307 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2729 transitions. [2023-08-30 09:19:32,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 909.6666666666666) internal successors, (2729), 3 states have internal predecessors, (2729), 0 states have call successors, (0), 0 states 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 09:19:32,324 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2121.0) internal successors, (8484), 4 states have internal predecessors, (8484), 0 states have call successors, (0), 0 states 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 09:19:32,328 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2121.0) internal successors, (8484), 4 states have internal predecessors, (8484), 0 states have call successors, (0), 0 states 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 09:19:32,329 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 75 flow. Second operand 3 states and 2729 transitions. [2023-08-30 09:19:32,329 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 45 transitions, 186 flow [2023-08-30 09:19:32,329 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 45 transitions, 186 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 09:19:32,331 INFO L231 Difference]: Finished difference. Result has 31 places, 34 transitions, 79 flow [2023-08-30 09:19:32,331 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=79, PETRI_PLACES=31, PETRI_TRANSITIONS=34} [2023-08-30 09:19:32,332 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -41 predicate places. [2023-08-30 09:19:32,333 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 79 flow [2023-08-30 09:19:32,334 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 895.6666666666666) internal successors, (2687), 3 states have internal predecessors, (2687), 0 states have call successors, (0), 0 states 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 09:19:32,335 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:32,335 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:19:32,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 09:19:32,336 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:19:32,338 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:32,338 INFO L85 PathProgramCache]: Analyzing trace with hash -743677193, now seen corresponding path program 1 times [2023-08-30 09:19:32,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:32,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278744242] [2023-08-30 09:19:32,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:32,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:32,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:32,904 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 09:19:32,904 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:32,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1278744242] [2023-08-30 09:19:32,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1278744242] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:19:32,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:19:32,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:19:32,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732953523] [2023-08-30 09:19:32,905 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:19:32,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:19:32,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:32,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:19:32,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:19:32,930 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 899 out of 2121 [2023-08-30 09:19:32,934 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 34 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 900.6666666666666) internal successors, (2702), 3 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states 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 09:19:32,934 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:32,934 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 899 of 2121 [2023-08-30 09:19:32,934 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:19:33,348 INFO L130 PetriNetUnfolder]: 85/179 cut-off events. [2023-08-30 09:19:33,349 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:19:33,349 INFO L83 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 179 events. 85/179 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 671 event pairs, 4 based on Foata normal form. 0/136 useless extension candidates. Maximal degree in co-relation 384. Up to 136 conditions per place. [2023-08-30 09:19:33,350 INFO L137 encePairwiseOnDemand]: 2119/2121 looper letters, 37 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-30 09:19:33,350 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 38 transitions, 165 flow [2023-08-30 09:19:33,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:19:33,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:19:33,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2736 transitions. [2023-08-30 09:19:33,358 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42998585572843 [2023-08-30 09:19:33,358 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2736 transitions. [2023-08-30 09:19:33,358 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2736 transitions. [2023-08-30 09:19:33,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:19:33,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2736 transitions. [2023-08-30 09:19:33,366 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 912.0) internal successors, (2736), 3 states have internal predecessors, (2736), 0 states have call successors, (0), 0 states 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 09:19:33,377 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2121.0) internal successors, (8484), 4 states have internal predecessors, (8484), 0 states have call successors, (0), 0 states 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 09:19:33,381 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2121.0) internal successors, (8484), 4 states have internal predecessors, (8484), 0 states have call successors, (0), 0 states 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 09:19:33,381 INFO L175 Difference]: Start difference. First operand has 31 places, 34 transitions, 79 flow. Second operand 3 states and 2736 transitions. [2023-08-30 09:19:33,381 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 38 transitions, 165 flow [2023-08-30 09:19:33,382 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 30 places, 38 transitions, 157 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 09:19:33,382 INFO L231 Difference]: Finished difference. Result has 30 places, 33 transitions, 71 flow [2023-08-30 09:19:33,383 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=69, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=71, PETRI_PLACES=30, PETRI_TRANSITIONS=33} [2023-08-30 09:19:33,383 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -42 predicate places. [2023-08-30 09:19:33,384 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 33 transitions, 71 flow [2023-08-30 09:19:33,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 900.6666666666666) internal successors, (2702), 3 states have internal predecessors, (2702), 0 states have call successors, (0), 0 states 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 09:19:33,385 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:33,385 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 09:19:33,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 09:19:33,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:19:33,386 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash -743676784, now seen corresponding path program 1 times [2023-08-30 09:19:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:33,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642740377] [2023-08-30 09:19:33,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:33,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:33,918 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 09:19:33,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:33,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642740377] [2023-08-30 09:19:33,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1642740377] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 09:19:33,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 09:19:33,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 09:19:33,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060345536] [2023-08-30 09:19:33,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 09:19:33,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 09:19:33,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:33,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 09:19:33,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 09:19:33,953 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 896 out of 2121 [2023-08-30 09:19:33,956 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 33 transitions, 71 flow. Second operand has 3 states, 3 states have (on average 897.6666666666666) internal successors, (2693), 3 states have internal predecessors, (2693), 0 states have call successors, (0), 0 states 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 09:19:33,956 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:33,956 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 896 of 2121 [2023-08-30 09:19:33,956 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:19:34,234 INFO L130 PetriNetUnfolder]: 48/102 cut-off events. [2023-08-30 09:19:34,234 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 09:19:34,234 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 102 events. 48/102 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 270 event pairs, 38 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 223. Up to 102 conditions per place. [2023-08-30 09:19:34,235 INFO L137 encePairwiseOnDemand]: 2117/2121 looper letters, 32 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2023-08-30 09:19:34,235 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 141 flow [2023-08-30 09:19:34,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 09:19:34,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 09:19:34,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2724 transitions. [2023-08-30 09:19:34,243 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4280999528524281 [2023-08-30 09:19:34,243 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2724 transitions. [2023-08-30 09:19:34,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2724 transitions. [2023-08-30 09:19:34,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:19:34,245 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2724 transitions. [2023-08-30 09:19:34,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 908.0) internal successors, (2724), 3 states have internal predecessors, (2724), 0 states have call successors, (0), 0 states 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 09:19:34,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 2121.0) internal successors, (8484), 4 states have internal predecessors, (8484), 0 states have call successors, (0), 0 states 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 09:19:34,261 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 2121.0) internal successors, (8484), 4 states have internal predecessors, (8484), 0 states have call successors, (0), 0 states 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 09:19:34,262 INFO L175 Difference]: Start difference. First operand has 30 places, 33 transitions, 71 flow. Second operand 3 states and 2724 transitions. [2023-08-30 09:19:34,262 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 141 flow [2023-08-30 09:19:34,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 34 transitions, 140 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 09:19:34,263 INFO L231 Difference]: Finished difference. Result has 32 places, 34 transitions, 84 flow [2023-08-30 09:19:34,263 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=32, PETRI_TRANSITIONS=34} [2023-08-30 09:19:34,264 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -40 predicate places. [2023-08-30 09:19:34,264 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 34 transitions, 84 flow [2023-08-30 09:19:34,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 897.6666666666666) internal successors, (2693), 3 states have internal predecessors, (2693), 0 states have call successors, (0), 0 states 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 09:19:34,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:34,265 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 09:19:34,266 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 09:19:34,266 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:19:34,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:34,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1686681539, now seen corresponding path program 1 times [2023-08-30 09:19:34,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:34,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112683572] [2023-08-30 09:19:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:34,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:34,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:34,762 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 09:19:34,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:34,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112683572] [2023-08-30 09:19:34,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112683572] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:19:34,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [906867292] [2023-08-30 09:19:34,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:34,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:19:34,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:19:34,766 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 09:19:34,769 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 09:19:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:35,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-30 09:19:35,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:19:35,977 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 09:19:35,982 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:19:36,272 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 09:19:36,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [906867292] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:19:36,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:19:36,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-30 09:19:36,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591666606] [2023-08-30 09:19:36,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:19:36,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 09:19:36,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:36,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 09:19:36,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-08-30 09:19:36,380 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 892 out of 2121 [2023-08-30 09:19:36,385 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 34 transitions, 84 flow. Second operand has 8 states, 8 states have (on average 893.5) internal successors, (7148), 8 states have internal predecessors, (7148), 0 states have call successors, (0), 0 states 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 09:19:36,386 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:36,386 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 892 of 2121 [2023-08-30 09:19:36,386 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:19:37,788 INFO L130 PetriNetUnfolder]: 48/107 cut-off events. [2023-08-30 09:19:37,788 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 09:19:37,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 247 conditions, 107 events. 48/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 292 event pairs, 38 based on Foata normal form. 0/80 useless extension candidates. Maximal degree in co-relation 242. Up to 102 conditions per place. [2023-08-30 09:19:37,789 INFO L137 encePairwiseOnDemand]: 2113/2121 looper letters, 31 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2023-08-30 09:19:37,790 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 39 transitions, 178 flow [2023-08-30 09:19:37,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 09:19:37,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 09:19:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5401 transitions. [2023-08-30 09:19:37,802 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244067263869244 [2023-08-30 09:19:37,802 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5401 transitions. [2023-08-30 09:19:37,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5401 transitions. [2023-08-30 09:19:37,805 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:19:37,805 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5401 transitions. [2023-08-30 09:19:37,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 900.1666666666666) internal successors, (5401), 6 states have internal predecessors, (5401), 0 states have call successors, (0), 0 states 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 09:19:37,830 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 2121.0) internal successors, (14847), 7 states have internal predecessors, (14847), 0 states have call successors, (0), 0 states 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 09:19:37,832 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 2121.0) internal successors, (14847), 7 states have internal predecessors, (14847), 0 states have call successors, (0), 0 states 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 09:19:37,832 INFO L175 Difference]: Start difference. First operand has 32 places, 34 transitions, 84 flow. Second operand 6 states and 5401 transitions. [2023-08-30 09:19:37,832 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 39 transitions, 178 flow [2023-08-30 09:19:37,833 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 39 transitions, 174 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 09:19:37,834 INFO L231 Difference]: Finished difference. Result has 39 places, 39 transitions, 146 flow [2023-08-30 09:19:37,834 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=146, PETRI_PLACES=39, PETRI_TRANSITIONS=39} [2023-08-30 09:19:37,835 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-30 09:19:37,835 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 146 flow [2023-08-30 09:19:37,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 893.5) internal successors, (7148), 8 states have internal predecessors, (7148), 0 states have call successors, (0), 0 states 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 09:19:37,837 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:37,837 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2023-08-30 09:19:37,852 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 09:19:38,051 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 09:19:38,052 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:19:38,052 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:38,052 INFO L85 PathProgramCache]: Analyzing trace with hash -518101040, now seen corresponding path program 2 times [2023-08-30 09:19:38,052 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:38,052 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039893276] [2023-08-30 09:19:38,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:38,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:38,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:38,931 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 09:19:38,931 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:38,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039893276] [2023-08-30 09:19:38,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039893276] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:19:38,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1409654713] [2023-08-30 09:19:38,931 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 09:19:38,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:19:38,932 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:19:38,933 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 09:19:38,956 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 09:19:40,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-30 09:19:40,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 09:19:40,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-30 09:19:40,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:19:40,665 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 09:19:40,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:19:40,968 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 09:19:40,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1409654713] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:19:40,969 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:19:40,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-30 09:19:40,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317486187] [2023-08-30 09:19:40,969 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:19:40,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-30 09:19:40,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:40,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-30 09:19:40,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-08-30 09:19:41,473 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 2121 [2023-08-30 09:19:41,482 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 39 transitions, 146 flow. Second operand has 17 states, 17 states have (on average 891.2352941176471) internal successors, (15151), 17 states have internal predecessors, (15151), 0 states have call successors, (0), 0 states 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 09:19:41,482 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:41,482 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 2121 [2023-08-30 09:19:41,483 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:19:43,977 INFO L130 PetriNetUnfolder]: 48/116 cut-off events. [2023-08-30 09:19:43,978 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2023-08-30 09:19:43,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 306 conditions, 116 events. 48/116 cut-off events. For 23/23 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 305 event pairs, 38 based on Foata normal form. 9/101 useless extension candidates. Maximal degree in co-relation 298. Up to 102 conditions per place. [2023-08-30 09:19:43,978 INFO L137 encePairwiseOnDemand]: 2113/2121 looper letters, 31 selfloop transitions, 17 changer transitions 0/48 dead transitions. [2023-08-30 09:19:43,978 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 290 flow [2023-08-30 09:19:43,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 09:19:43,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 09:19:43,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 10746 transitions. [2023-08-30 09:19:44,003 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4222065063649222 [2023-08-30 09:19:44,003 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 10746 transitions. [2023-08-30 09:19:44,003 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 10746 transitions. [2023-08-30 09:19:44,009 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:19:44,010 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 10746 transitions. [2023-08-30 09:19:44,028 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 895.5) internal successors, (10746), 12 states have internal predecessors, (10746), 0 states have call successors, (0), 0 states 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 09:19:44,055 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 2121.0) internal successors, (27573), 13 states have internal predecessors, (27573), 0 states have call successors, (0), 0 states 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 09:19:44,061 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 2121.0) internal successors, (27573), 13 states have internal predecessors, (27573), 0 states have call successors, (0), 0 states 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 09:19:44,061 INFO L175 Difference]: Start difference. First operand has 39 places, 39 transitions, 146 flow. Second operand 12 states and 10746 transitions. [2023-08-30 09:19:44,061 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 290 flow [2023-08-30 09:19:44,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 48 transitions, 280 flow, removed 4 selfloop flow, removed 1 redundant places. [2023-08-30 09:19:44,064 INFO L231 Difference]: Finished difference. Result has 55 places, 48 transitions, 280 flow [2023-08-30 09:19:44,064 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=280, PETRI_PLACES=55, PETRI_TRANSITIONS=48} [2023-08-30 09:19:44,065 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -17 predicate places. [2023-08-30 09:19:44,065 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 280 flow [2023-08-30 09:19:44,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 891.2352941176471) internal successors, (15151), 17 states have internal predecessors, (15151), 0 states have call successors, (0), 0 states 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 09:19:44,069 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:19:44,069 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1] [2023-08-30 09:19:44,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-08-30 09:19:44,280 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,SelfDestructingSolverStorable5 [2023-08-30 09:19:44,280 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:19:44,281 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:19:44,281 INFO L85 PathProgramCache]: Analyzing trace with hash -499539792, now seen corresponding path program 3 times [2023-08-30 09:19:44,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:19:44,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392882095] [2023-08-30 09:19:44,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:19:44,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:19:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:19:45,310 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 09:19:45,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:19:45,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392882095] [2023-08-30 09:19:45,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392882095] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:19:45,311 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721226958] [2023-08-30 09:19:45,311 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-30 09:19:45,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:19:45,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:19:45,317 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 09:19:45,320 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 09:19:51,440 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-30 09:19:51,440 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 09:19:51,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 34 conjunts are in the unsatisfiable core [2023-08-30 09:19:51,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:19:51,728 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 09:19:51,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:19:52,604 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 09:19:52,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721226958] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:19:52,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:19:52,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2023-08-30 09:19:52,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043336724] [2023-08-30 09:19:52,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:19:52,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-08-30 09:19:52,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:19:52,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-08-30 09:19:52,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2023-08-30 09:19:55,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 2121 [2023-08-30 09:19:55,606 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 48 transitions, 280 flow. Second operand has 35 states, 35 states have (on average 891.1142857142858) internal successors, (31189), 35 states have internal predecessors, (31189), 0 states have call successors, (0), 0 states 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 09:19:55,607 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:19:55,607 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 2121 [2023-08-30 09:19:55,607 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:20:16,265 WARN L222 SmtUtils]: Spent 14.28s 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 09:20:29,871 WARN L222 SmtUtils]: Spent 10.95s 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 09:20:49,432 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:20:51,314 INFO L130 PetriNetUnfolder]: 48/134 cut-off events. [2023-08-30 09:20:51,314 INFO L131 PetriNetUnfolder]: For 530/530 co-relation queries the response was YES. [2023-08-30 09:20:51,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 440 conditions, 134 events. 48/134 cut-off events. For 530/530 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 290 event pairs, 38 based on Foata normal form. 18/128 useless extension candidates. Maximal degree in co-relation 425. Up to 97 conditions per place. [2023-08-30 09:20:51,315 INFO L137 encePairwiseOnDemand]: 2113/2121 looper letters, 27 selfloop transitions, 39 changer transitions 0/66 dead transitions. [2023-08-30 09:20:51,315 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 66 transitions, 544 flow [2023-08-30 09:20:51,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-30 09:20:51,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-30 09:20:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 22352 transitions. [2023-08-30 09:20:51,351 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4215370108439415 [2023-08-30 09:20:51,351 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 22352 transitions. [2023-08-30 09:20:51,352 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 22352 transitions. [2023-08-30 09:20:51,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 09:20:51,359 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 22352 transitions. [2023-08-30 09:20:51,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 894.08) internal successors, (22352), 25 states have internal predecessors, (22352), 0 states have call successors, (0), 0 states 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 09:20:51,431 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 2121.0) internal successors, (55146), 26 states have internal predecessors, (55146), 0 states have call successors, (0), 0 states 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 09:20:51,443 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 2121.0) internal successors, (55146), 26 states have internal predecessors, (55146), 0 states have call successors, (0), 0 states 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 09:20:51,444 INFO L175 Difference]: Start difference. First operand has 55 places, 48 transitions, 280 flow. Second operand 25 states and 22352 transitions. [2023-08-30 09:20:51,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 66 transitions, 544 flow [2023-08-30 09:20:51,449 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 66 transitions, 468 flow, removed 36 selfloop flow, removed 2 redundant places. [2023-08-30 09:20:51,451 INFO L231 Difference]: Finished difference. Result has 77 places, 66 transitions, 418 flow [2023-08-30 09:20:51,452 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=2121, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=418, PETRI_PLACES=77, PETRI_TRANSITIONS=66} [2023-08-30 09:20:51,452 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2023-08-30 09:20:51,452 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 66 transitions, 418 flow [2023-08-30 09:20:51,461 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 891.1142857142858) internal successors, (31189), 35 states have internal predecessors, (31189), 0 states have call successors, (0), 0 states 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 09:20:51,462 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 09:20:51,462 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1] [2023-08-30 09:20:51,484 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 09:20:51,676 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:20:51,677 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [whoop_wrapper_pc8736x_gpio_configureErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, whoop_wrapper_pc8736x_gpio_configureErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 54 more)] === [2023-08-30 09:20:51,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 09:20:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1775527312, now seen corresponding path program 4 times [2023-08-30 09:20:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 09:20:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013105727] [2023-08-30 09:20:51,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 09:20:51,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 09:20:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 09:20:53,561 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 09:20:53,562 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 09:20:53,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013105727] [2023-08-30 09:20:53,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013105727] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 09:20:53,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604883690] [2023-08-30 09:20:53,562 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-30 09:20:53,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 09:20:53,563 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 09:20:53,563 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 09:20:53,565 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 09:21:01,856 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-30 09:21:01,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 09:21:01,870 INFO L263 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-30 09:21:01,874 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 09:21:02,654 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 09:21:02,655 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 09:21:03,964 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 09:21:03,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604883690] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 09:21:03,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 09:21:03,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-08-30 09:21:03,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470787524] [2023-08-30 09:21:03,965 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 09:21:03,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-08-30 09:21:03,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 09:21:03,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-08-30 09:21:03,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1264, Invalid=3706, Unknown=0, NotChecked=0, Total=4970 [2023-08-30 09:21:09,204 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 892 out of 2121 [2023-08-30 09:21:09,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 66 transitions, 418 flow. Second operand has 71 states, 71 states have (on average 893.056338028169) internal successors, (63407), 71 states have internal predecessors, (63407), 0 states have call successors, (0), 0 states 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 09:21:09,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 09:21:09,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 892 of 2121 [2023-08-30 09:21:09,232 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 09:21:17,237 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 09:21:19,251 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 09:22:14,688 WARN L222 SmtUtils]: Spent 20.11s 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 09:23:45,628 WARN L222 SmtUtils]: Spent 1.02m on a formula simplification that was a NOOP. DAG size: 87 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 09:23:47,693 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 09:23:49,931 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:23:52,543 WARN L539 Checker$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 09:23:54,113 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:24:35,728 WARN L222 SmtUtils]: Spent 18.63s on a formula simplification that was a NOOP. DAG size: 63 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 09:24:36,925 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 09:24:38,929 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 [] Killed by 15