./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 TOGETHER --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 TOGETHER --- Real Ultimate output --- This is Ultimate 0.2.3-?-b8dbc81 [2023-08-30 13:22:58,354 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:22:58,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:22:58,393 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:22:58,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:22:58,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:22:58,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:22:58,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:22:58,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:22:58,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:22:58,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:22:58,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:22:58,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:22:58,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:22:58,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:22:58,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:22:58,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:22:58,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:22:58,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:22:58,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:22:58,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:22:58,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:22:58,421 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:22:58,422 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:22:58,426 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:22:58,427 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:22:58,427 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:22:58,428 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:22:58,428 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:22:58,429 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:22:58,429 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:22:58,430 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:22:58,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:22:58,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:22:58,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:22:58,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:22:58,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:22:58,433 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:22:58,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:22:58,434 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:22:58,434 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:22:58,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:22:58,459 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:22:58,459 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:22:58,460 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:22:58,460 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:22:58,461 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:22:58,461 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:22:58,461 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:22:58,461 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:22:58,461 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:22:58,462 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:22:58,462 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:22:58,462 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:22:58,463 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:22:58,464 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:22:58,464 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:22:58,464 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:22:58,464 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:22:58,464 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:22:58,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:22:58,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:22:58,465 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:22:58,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:22:58,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:22:58,465 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:22:58,465 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:22:58,465 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:22:58,465 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:22:58,466 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:22:58,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:22:58,466 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:22:58,466 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a1809249b96cd2e4fd4dd86fdfafc377b1182527f618b1b7c3c4df7bd9b92a1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:22:58,685 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:22:58,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:22:58,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:22:58,706 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:22:58,706 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:22:58,707 INFO L432 ainManager$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 13:22:59,669 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:23:00,071 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:23:00,072 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 13:23:00,128 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202481c78/8cb07cb16e1c47b4a8f98660bb91bbb9/FLAG49cecbff7 [2023-08-30 13:23:00,141 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/202481c78/8cb07cb16e1c47b4a8f98660bb91bbb9 [2023-08-30 13:23:00,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:23:00,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:23:00,146 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:23:00,146 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:23:00,148 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:23:00,149 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:23:00" (1/1) ... [2023-08-30 13:23:00,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c1eec86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:00, skipping insertion in model container [2023-08-30 13:23:00,150 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:23:00" (1/1) ... [2023-08-30 13:23:00,154 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:23:00,235 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:23:00,447 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 13:23:02,342 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:23:02,704 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:23:02,705 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:23:02,761 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:23:02,776 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:23:02,795 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 13:23:02,956 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:23:03,001 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:23:03,002 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:23:03,008 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:23:03,448 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,448 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,448 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,448 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,449 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,449 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,449 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:23:03,454 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:23:03,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03 WrapperNode [2023-08-30 13:23:03,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:23:03,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:23:03,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:23:03,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:23:03,461 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,536 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,585 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 72, statements flattened = 838 [2023-08-30 13:23:03,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:23:03,586 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:23:03,586 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:23:03,586 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:23:03,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,615 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,619 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:23:03,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:23:03,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:23:03,631 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:23:03,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (1/1) ... [2023-08-30 13:23:03,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:23:03,645 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:23:03,686 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 13:23:03,733 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 13:23:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:23:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:23:03,738 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:23:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:23:03,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:23:03,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 13:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:23:03,757 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_configure [2023-08-30 13:23:03,757 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-30 13:23:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:23:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-30 13:23:03,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:23:03,759 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 13:23:03,760 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 13:23:03,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:23:03,761 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 13:23:04,144 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:23:04,145 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:23:04,710 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:23:04,730 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:23:04,730 INFO L302 CfgBuilder]: Removed 25 assume(true) statements. [2023-08-30 13:23:04,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:23:04 BoogieIcfgContainer [2023-08-30 13:23:04,733 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:23:04,734 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:23:04,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:23:04,737 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:23:04,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:23:00" (1/3) ... [2023-08-30 13:23:04,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c4bcc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:23:04, skipping insertion in model container [2023-08-30 13:23:04,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:23:03" (2/3) ... [2023-08-30 13:23:04,738 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c4bcc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:23:04, skipping insertion in model container [2023-08-30 13:23:04,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:23:04" (3/3) ... [2023-08-30 13:23:04,739 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_configure_pc8736x_gpio_set.i [2023-08-30 13:23:04,744 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:23:04,750 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:23:04,750 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 38 error locations. [2023-08-30 13:23:04,751 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:23:04,860 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:23:04,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 912 places, 963 transitions, 1942 flow [2023-08-30 13:23:05,079 INFO L130 PetriNetUnfolder]: 58/961 cut-off events. [2023-08-30 13:23:05,080 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:23:05,088 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 13:23:05,089 INFO L82 GeneralOperation]: Start removeDead. Operand has 912 places, 963 transitions, 1942 flow [2023-08-30 13:23:05,096 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 902 places, 953 transitions, 1915 flow [2023-08-30 13:23:05,098 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:23:05,104 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 902 places, 953 transitions, 1915 flow [2023-08-30 13:23:05,106 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 902 places, 953 transitions, 1915 flow [2023-08-30 13:23:05,106 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 902 places, 953 transitions, 1915 flow [2023-08-30 13:23:05,248 INFO L130 PetriNetUnfolder]: 58/953 cut-off events. [2023-08-30 13:23:05,248 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:23:05,252 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 13:23:05,267 INFO L119 LiptonReduction]: Number of co-enabled transitions 48406 [2023-08-30 13:24:06,264 WARN L222 SmtUtils]: Spent 6.60s 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 13:24:15,634 WARN L222 SmtUtils]: Spent 5.43s 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 13:24:42,214 WARN L222 SmtUtils]: Spent 17.74s 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 13:25:00,520 WARN L222 SmtUtils]: Spent 18.30s 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 13:25:46,890 WARN L222 SmtUtils]: Spent 46.37s 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 13:26:31,382 WARN L222 SmtUtils]: Spent 44.49s 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 13:27:38,665 WARN L222 SmtUtils]: Spent 49.30s 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 13:28:03,853 WARN L222 SmtUtils]: Spent 25.18s 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 13:30:07,634 WARN L222 SmtUtils]: Spent 2.06m 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 13:30:29,604 WARN L222 SmtUtils]: Spent 21.96s 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 13:30:29,631 INFO L134 LiptonReduction]: Checked pairs total: 40709 [2023-08-30 13:30:29,631 INFO L136 LiptonReduction]: Total number of compositions: 1158 [2023-08-30 13:30:29,640 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:30:29,643 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;@2fb238ec, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:30:29,643 INFO L358 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2023-08-30 13:30:29,649 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 13:30:29,649 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:29,649 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:29,649 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 13:30:29,650 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 13:30:29,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:29,653 INFO L85 PathProgramCache]: Analyzing trace with hash 3694476, now seen corresponding path program 1 times [2023-08-30 13:30:29,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:29,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728715153] [2023-08-30 13:30:29,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:29,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:29,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:30,052 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 13:30:30,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:30,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728715153] [2023-08-30 13:30:30,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728715153] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:30,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:30,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:30:30,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712570688] [2023-08-30 13:30:30,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:30,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 13:30:30,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:30,078 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 13:30:30,079 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 13:30:30,084 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 904 out of 2121 [2023-08-30 13:30:30,088 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 13:30:30,088 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:30,089 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 904 of 2121 [2023-08-30 13:30:30,091 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:30,318 INFO L130 PetriNetUnfolder]: 115/232 cut-off events. [2023-08-30 13:30:30,318 INFO L131 PetriNetUnfolder]: For 14/14 co-relation queries the response was YES. [2023-08-30 13:30:30,319 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 13:30:30,321 INFO L137 encePairwiseOnDemand]: 2079/2121 looper letters, 36 selfloop transitions, 0 changer transitions 8/44 dead transitions. [2023-08-30 13:30:30,321 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 44 transitions, 185 flow [2023-08-30 13:30:30,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 13:30:30,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 13:30:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1894 transitions. [2023-08-30 13:30:30,336 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4464875058934465 [2023-08-30 13:30:30,339 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1894 transitions. [2023-08-30 13:30:30,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1894 transitions. [2023-08-30 13:30:30,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:30,344 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1894 transitions. [2023-08-30 13:30:30,349 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 13:30:30,357 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 13:30:30,359 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 13:30:30,361 INFO L175 Difference]: Start difference. First operand has 72 places, 86 transitions, 181 flow. Second operand 2 states and 1894 transitions. [2023-08-30 13:30:30,361 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 44 transitions, 185 flow [2023-08-30 13:30:30,363 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 13:30:30,364 INFO L231 Difference]: Finished difference. Result has 39 places, 36 transitions, 75 flow [2023-08-30 13:30:30,365 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 13:30:30,368 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-30 13:30:30,368 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 36 transitions, 75 flow [2023-08-30 13:30:30,369 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 13:30:30,369 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:30,370 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:30:30,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:30:30,370 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 13:30:30,370 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash -744309994, now seen corresponding path program 1 times [2023-08-30 13:30:30,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:30,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626386238] [2023-08-30 13:30:30,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:30,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:30,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:30,569 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 13:30:30,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:30,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626386238] [2023-08-30 13:30:30,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626386238] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:30,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:30,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:30:30,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839071848] [2023-08-30 13:30:30,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:30,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:30:30,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:30,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:30:30,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:30:30,588 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 894 out of 2121 [2023-08-30 13:30:30,591 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 13:30:30,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:30,591 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 894 of 2121 [2023-08-30 13:30:30,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:30,805 INFO L130 PetriNetUnfolder]: 103/213 cut-off events. [2023-08-30 13:30:30,806 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:30,806 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 13:30:30,806 INFO L137 encePairwiseOnDemand]: 2115/2121 looper letters, 41 selfloop transitions, 4 changer transitions 0/45 dead transitions. [2023-08-30 13:30:30,807 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 45 transitions, 186 flow [2023-08-30 13:30:30,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:30:30,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:30:30,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2729 transitions. [2023-08-30 13:30:30,812 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4288857457174289 [2023-08-30 13:30:30,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2729 transitions. [2023-08-30 13:30:30,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2729 transitions. [2023-08-30 13:30:30,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:30,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2729 transitions. [2023-08-30 13:30:30,817 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 13:30:30,825 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 13:30:30,827 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 13:30:30,827 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 75 flow. Second operand 3 states and 2729 transitions. [2023-08-30 13:30:30,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 45 transitions, 186 flow [2023-08-30 13:30:30,828 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 13:30:30,829 INFO L231 Difference]: Finished difference. Result has 31 places, 34 transitions, 79 flow [2023-08-30 13:30:30,829 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 13:30:30,829 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -41 predicate places. [2023-08-30 13:30:30,830 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 79 flow [2023-08-30 13:30:30,831 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 13:30:30,831 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:30,831 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:30:30,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:30:30,832 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 13:30:30,832 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:30,832 INFO L85 PathProgramCache]: Analyzing trace with hash -743677193, now seen corresponding path program 1 times [2023-08-30 13:30:30,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:30,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623913127] [2023-08-30 13:30:30,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:31,173 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 13:30:31,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623913127] [2023-08-30 13:30:31,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623913127] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:31,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:31,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:30:31,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155972234] [2023-08-30 13:30:31,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:31,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:30:31,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:31,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:30:31,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:30:31,188 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 899 out of 2121 [2023-08-30 13:30:31,191 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 13:30:31,191 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:31,191 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 899 of 2121 [2023-08-30 13:30:31,191 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:31,454 INFO L130 PetriNetUnfolder]: 85/179 cut-off events. [2023-08-30 13:30:31,454 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:31,455 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 13:30:31,455 INFO L137 encePairwiseOnDemand]: 2119/2121 looper letters, 37 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-30 13:30:31,455 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 38 transitions, 165 flow [2023-08-30 13:30:31,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:30:31,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:30:31,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2736 transitions. [2023-08-30 13:30:31,461 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42998585572843 [2023-08-30 13:30:31,461 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2736 transitions. [2023-08-30 13:30:31,461 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2736 transitions. [2023-08-30 13:30:31,462 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:31,462 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2736 transitions. [2023-08-30 13:30:31,466 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 13:30:31,473 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 13:30:31,475 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 13:30:31,475 INFO L175 Difference]: Start difference. First operand has 31 places, 34 transitions, 79 flow. Second operand 3 states and 2736 transitions. [2023-08-30 13:30:31,475 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 38 transitions, 165 flow [2023-08-30 13:30:31,476 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 13:30:31,476 INFO L231 Difference]: Finished difference. Result has 30 places, 33 transitions, 71 flow [2023-08-30 13:30:31,477 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 13:30:31,477 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -42 predicate places. [2023-08-30 13:30:31,477 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 33 transitions, 71 flow [2023-08-30 13:30:31,478 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 13:30:31,478 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:31,479 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:30:31,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:30:31,479 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 13:30:31,479 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:31,479 INFO L85 PathProgramCache]: Analyzing trace with hash -743676784, now seen corresponding path program 1 times [2023-08-30 13:30:31,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:31,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [817460813] [2023-08-30 13:30:31,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:31,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:31,866 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 13:30:31,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:31,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [817460813] [2023-08-30 13:30:31,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [817460813] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:30:31,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:30:31,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:30:31,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960380668] [2023-08-30 13:30:31,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:30:31,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:30:31,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:31,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:30:31,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:30:31,891 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 896 out of 2121 [2023-08-30 13:30:31,893 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 13:30:31,893 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:31,893 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 896 of 2121 [2023-08-30 13:30:31,894 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:32,075 INFO L130 PetriNetUnfolder]: 48/102 cut-off events. [2023-08-30 13:30:32,076 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 13:30:32,076 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 13:30:32,077 INFO L137 encePairwiseOnDemand]: 2117/2121 looper letters, 32 selfloop transitions, 2 changer transitions 0/34 dead transitions. [2023-08-30 13:30:32,077 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 34 transitions, 141 flow [2023-08-30 13:30:32,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:30:32,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:30:32,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2724 transitions. [2023-08-30 13:30:32,083 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4280999528524281 [2023-08-30 13:30:32,083 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2724 transitions. [2023-08-30 13:30:32,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2724 transitions. [2023-08-30 13:30:32,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:32,084 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2724 transitions. [2023-08-30 13:30:32,087 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 13:30:32,093 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 13:30:32,103 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 13:30:32,103 INFO L175 Difference]: Start difference. First operand has 30 places, 33 transitions, 71 flow. Second operand 3 states and 2724 transitions. [2023-08-30 13:30:32,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 34 transitions, 141 flow [2023-08-30 13:30:32,104 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 13:30:32,105 INFO L231 Difference]: Finished difference. Result has 32 places, 34 transitions, 84 flow [2023-08-30 13:30:32,105 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 13:30:32,106 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -40 predicate places. [2023-08-30 13:30:32,106 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 34 transitions, 84 flow [2023-08-30 13:30:32,107 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 13:30:32,107 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:32,107 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:30:32,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 13:30:32,107 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 13:30:32,108 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:32,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1686681539, now seen corresponding path program 1 times [2023-08-30 13:30:32,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:32,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944053408] [2023-08-30 13:30:32,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:32,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:32,476 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 13:30:32,476 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:32,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944053408] [2023-08-30 13:30:32,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944053408] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:30:32,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1707251672] [2023-08-30 13:30:32,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:32,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:30:32,477 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:30:32,479 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 13:30:32,510 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 13:30:33,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:33,409 INFO L263 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 9 conjunts are in the unsatisfiable core [2023-08-30 13:30:33,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:30:33,466 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 13:30:33,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:30:33,672 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 13:30:33,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1707251672] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:30:33,673 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:30:33,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-30 13:30:33,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432454937] [2023-08-30 13:30:33,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:30:33,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 13:30:33,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:33,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 13:30:33,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2023-08-30 13:30:33,757 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 892 out of 2121 [2023-08-30 13:30:33,761 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 13:30:33,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:33,761 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 892 of 2121 [2023-08-30 13:30:33,761 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:34,780 INFO L130 PetriNetUnfolder]: 48/107 cut-off events. [2023-08-30 13:30:34,781 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:30:34,781 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 13:30:34,781 INFO L137 encePairwiseOnDemand]: 2113/2121 looper letters, 31 selfloop transitions, 8 changer transitions 0/39 dead transitions. [2023-08-30 13:30:34,781 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 39 transitions, 178 flow [2023-08-30 13:30:34,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-08-30 13:30:34,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-08-30 13:30:34,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5401 transitions. [2023-08-30 13:30:34,790 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4244067263869244 [2023-08-30 13:30:34,790 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 5401 transitions. [2023-08-30 13:30:34,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 5401 transitions. [2023-08-30 13:30:34,792 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:34,792 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 5401 transitions. [2023-08-30 13:30:34,797 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 13:30:34,807 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 13:30:34,808 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 13:30:34,808 INFO L175 Difference]: Start difference. First operand has 32 places, 34 transitions, 84 flow. Second operand 6 states and 5401 transitions. [2023-08-30 13:30:34,809 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 39 transitions, 178 flow [2023-08-30 13:30:34,809 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 13:30:34,810 INFO L231 Difference]: Finished difference. Result has 39 places, 39 transitions, 146 flow [2023-08-30 13:30:34,810 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 13:30:34,811 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -33 predicate places. [2023-08-30 13:30:34,811 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 39 transitions, 146 flow [2023-08-30 13:30:34,812 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 13:30:34,812 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:34,813 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2023-08-30 13:30:34,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-08-30 13:30:35,021 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 13:30:35,022 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 13:30:35,022 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:35,022 INFO L85 PathProgramCache]: Analyzing trace with hash -518101040, now seen corresponding path program 2 times [2023-08-30 13:30:35,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:35,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908592036] [2023-08-30 13:30:35,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:35,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:35,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:35,653 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 13:30:35,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:35,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908592036] [2023-08-30 13:30:35,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908592036] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:30:35,653 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1201849509] [2023-08-30 13:30:35,653 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 13:30:35,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:30:35,654 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:30:35,670 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 13:30:35,671 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 13:30:36,853 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-30 13:30:36,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:30:36,860 INFO L263 TraceCheckSpWp]: Trace formula consists of 1117 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-30 13:30:36,863 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:30:36,934 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 13:30:36,934 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:30:37,139 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 13:30:37,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1201849509] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:30:37,139 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:30:37,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-30 13:30:37,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176925311] [2023-08-30 13:30:37,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:30:37,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-30 13:30:37,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:37,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-30 13:30:37,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=187, Unknown=0, NotChecked=0, Total=272 [2023-08-30 13:30:37,521 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 2121 [2023-08-30 13:30:37,528 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 13:30:37,528 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:37,528 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 2121 [2023-08-30 13:30:37,529 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:30:39,818 INFO L130 PetriNetUnfolder]: 48/116 cut-off events. [2023-08-30 13:30:39,819 INFO L131 PetriNetUnfolder]: For 23/23 co-relation queries the response was YES. [2023-08-30 13:30:39,819 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 13:30:39,819 INFO L137 encePairwiseOnDemand]: 2113/2121 looper letters, 31 selfloop transitions, 17 changer transitions 0/48 dead transitions. [2023-08-30 13:30:39,819 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 48 transitions, 290 flow [2023-08-30 13:30:39,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:30:39,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:30:39,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 10746 transitions. [2023-08-30 13:30:39,836 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4222065063649222 [2023-08-30 13:30:39,836 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 10746 transitions. [2023-08-30 13:30:39,836 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 10746 transitions. [2023-08-30 13:30:39,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:30:39,840 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 10746 transitions. [2023-08-30 13:30:39,852 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 13:30:39,870 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 13:30:39,873 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 13:30:39,873 INFO L175 Difference]: Start difference. First operand has 39 places, 39 transitions, 146 flow. Second operand 12 states and 10746 transitions. [2023-08-30 13:30:39,873 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 48 transitions, 290 flow [2023-08-30 13:30:39,874 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 13:30:39,875 INFO L231 Difference]: Finished difference. Result has 55 places, 48 transitions, 280 flow [2023-08-30 13:30:39,875 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 13:30:39,876 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, -17 predicate places. [2023-08-30 13:30:39,876 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 48 transitions, 280 flow [2023-08-30 13:30:39,879 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 13:30:39,879 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:30:39,879 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1] [2023-08-30 13:30:39,890 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-08-30 13:30:40,088 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 13:30:40,089 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 13:30:40,089 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:30:40,089 INFO L85 PathProgramCache]: Analyzing trace with hash -499539792, now seen corresponding path program 3 times [2023-08-30 13:30:40,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:30:40,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134354187] [2023-08-30 13:30:40,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:30:40,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:30:40,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:30:40,781 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 13:30:40,782 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:30:40,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134354187] [2023-08-30 13:30:40,782 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2134354187] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:30:40,782 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231210281] [2023-08-30 13:30:40,782 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-30 13:30:40,782 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:30:40,782 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:30:40,785 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 13:30:40,787 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 13:30:46,538 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-30 13:30:46,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:30:46,550 INFO L263 TraceCheckSpWp]: Trace formula consists of 1219 conjuncts, 34 conjunts are in the unsatisfiable core [2023-08-30 13:30:46,554 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:30:46,830 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 13:30:46,834 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:30:47,620 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 13:30:47,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231210281] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:30:47,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:30:47,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2023-08-30 13:30:47,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972834839] [2023-08-30 13:30:47,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:30:47,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-08-30 13:30:47,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:30:47,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-08-30 13:30:47,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=340, Invalid=850, Unknown=0, NotChecked=0, Total=1190 [2023-08-30 13:30:50,316 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 890 out of 2121 [2023-08-30 13:30:50,334 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 13:30:50,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:30:50,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 890 of 2121 [2023-08-30 13:30:50,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:31:07,575 WARN L222 SmtUtils]: Spent 11.19s 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 13:31:20,627 WARN L222 SmtUtils]: Spent 11.19s 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 13:31:36,312 INFO L130 PetriNetUnfolder]: 48/134 cut-off events. [2023-08-30 13:31:36,312 INFO L131 PetriNetUnfolder]: For 530/530 co-relation queries the response was YES. [2023-08-30 13:31:36,312 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 13:31:36,313 INFO L137 encePairwiseOnDemand]: 2113/2121 looper letters, 27 selfloop transitions, 39 changer transitions 0/66 dead transitions. [2023-08-30 13:31:36,313 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 66 transitions, 544 flow [2023-08-30 13:31:36,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-30 13:31:36,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-30 13:31:36,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 22352 transitions. [2023-08-30 13:31:36,340 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4215370108439415 [2023-08-30 13:31:36,340 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 22352 transitions. [2023-08-30 13:31:36,340 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 22352 transitions. [2023-08-30 13:31:36,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:31:36,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 22352 transitions. [2023-08-30 13:31:36,410 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 13:31:36,442 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 13:31:36,449 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 13:31:36,449 INFO L175 Difference]: Start difference. First operand has 55 places, 48 transitions, 280 flow. Second operand 25 states and 22352 transitions. [2023-08-30 13:31:36,449 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 66 transitions, 544 flow [2023-08-30 13:31:36,454 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 13:31:36,456 INFO L231 Difference]: Finished difference. Result has 77 places, 66 transitions, 418 flow [2023-08-30 13:31:36,456 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 13:31:36,456 INFO L281 CegarLoopForPetriNet]: 72 programPoint places, 5 predicate places. [2023-08-30 13:31:36,459 INFO L495 AbstractCegarLoop]: Abstraction has has 77 places, 66 transitions, 418 flow [2023-08-30 13:31:36,464 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 13:31:36,464 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:31:36,464 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1] [2023-08-30 13:31:36,489 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-08-30 13:31:36,676 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 13:31:36,676 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 13:31:36,677 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:31:36,677 INFO L85 PathProgramCache]: Analyzing trace with hash -1775527312, now seen corresponding path program 4 times [2023-08-30 13:31:36,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:31:36,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062102423] [2023-08-30 13:31:36,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:31:36,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:31:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:31:38,190 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 13:31:38,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:31:38,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062102423] [2023-08-30 13:31:38,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062102423] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:31:38,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201530200] [2023-08-30 13:31:38,191 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-30 13:31:38,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:31:38,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:31:38,192 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 13:31:38,193 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 13:31:46,027 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-30 13:31:46,027 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:31:46,043 INFO L263 TraceCheckSpWp]: Trace formula consists of 1423 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-30 13:31:46,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:31:46,749 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 13:31:46,749 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:31:47,929 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 13:31:47,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201530200] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:31:47,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:31:47,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-08-30 13:31:47,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7806489] [2023-08-30 13:31:47,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:31:47,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-08-30 13:31:47,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:31:47,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-08-30 13:31:47,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1264, Invalid=3706, Unknown=0, NotChecked=0, Total=4970 [2023-08-30 13:31:52,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 892 out of 2121 [2023-08-30 13:31:52,546 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 13:31:52,547 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:31:52,547 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 892 of 2121 [2023-08-30 13:31:52,547 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:32:01,837 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 13:33:25,885 WARN L222 SmtUtils]: Spent 50.75s on a formula simplification that was a NOOP. DAG size: 91 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:34:24,832 WARN L222 SmtUtils]: Spent 29.77s 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 13:34:26,840 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 13:34:29,022 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:34:34,225 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:35:50,675 WARN L222 SmtUtils]: Spent 48.13s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:35:52,694 WARN L539 Checker$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 13:35:54,702 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 13:37:05,948 WARN L222 SmtUtils]: Spent 41.43s on a formula simplification that was a NOOP. DAG size: 79 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:37:07,649 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 13:37:09,832 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:37:11,891 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false Killed by 15