./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_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_get_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 070c6009ff827451d8dab682a6835a3a11ca17731824d2cb72abd5ca38de17b6 --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 13:30:53,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:30:53,236 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:30:53,278 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:30:53,278 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:30:53,279 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:30:53,281 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:30:53,282 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:30:53,284 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:30:53,285 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:30:53,286 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:30:53,290 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:30:53,290 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:30:53,294 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:30:53,295 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:30:53,297 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:30:53,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:30:53,299 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:30:53,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:30:53,301 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:30:53,302 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:30:53,303 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:30:53,304 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:30:53,305 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:30:53,308 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:30:53,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:30:53,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:30:53,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:30:53,316 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:30:53,316 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:30:53,317 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:30:53,318 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:30:53,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:30:53,319 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:30:53,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:30:53,321 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:30:53,322 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:30:53,322 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:30:53,322 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:30:53,323 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:30:53,324 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:30:53,325 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:30:53,357 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:30:53,358 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:30:53,359 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:30:53,359 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:30:53,360 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:30:53,360 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:30:53,360 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:30:53,361 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:30:53,361 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:30:53,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:30:53,362 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:30:53,362 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:30:53,362 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:30:53,363 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:30:53,363 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:30:53,363 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:30:53,363 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:30:53,364 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:30:53,364 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:30:53,365 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:30:53,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:30:53,369 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:30:53,369 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:30:53,370 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:30:53,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:30:53,371 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:30:53,371 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:30:53,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:30:53,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:30:53,372 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:30:53,372 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:30:53,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:30:53,373 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:30:53,373 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:30:53,373 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:30:53,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:30:53,373 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:30:53,374 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 070c6009ff827451d8dab682a6835a3a11ca17731824d2cb72abd5ca38de17b6 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:30:53,640 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:30:53,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:30:53,665 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:30:53,666 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:30:53,666 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:30:53,667 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-30 13:30:54,834 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:30:55,284 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:30:55,285 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-30 13:30:55,327 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8361bb70/45327077392445a7a0ee65fba96928dc/FLAGd617b1975 [2023-08-30 13:30:55,341 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8361bb70/45327077392445a7a0ee65fba96928dc [2023-08-30 13:30:55,343 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:30:55,344 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:30:55,345 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:30:55,345 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:30:55,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:30:55,348 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:30:55" (1/1) ... [2023-08-30 13:30:55,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0d7e3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:55, skipping insertion in model container [2023-08-30 13:30:55,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:30:55" (1/1) ... [2023-08-30 13:30:55,354 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:30:55,470 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:30:55,768 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_get_pc8736x_gpio_set.i[5469,5482] [2023-08-30 13:30:58,014 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:30:58,500 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:30:58,501 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:30:58,558 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:30:58,577 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:30:58,608 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_get_pc8736x_gpio_set.i[5469,5482] [2023-08-30 13:30:58,880 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:30:58,935 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:30:58,935 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:30:58,945 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:30:59,542 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,542 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,543 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,543 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,543 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,543 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,543 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:30:59,549 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:30:59,549 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59 WrapperNode [2023-08-30 13:30:59,549 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:30:59,550 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:30:59,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:30:59,551 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:30:59,557 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,782 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 51, statements flattened = 725 [2023-08-30 13:30:59,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:30:59,784 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:30:59,784 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:30:59,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:30:59,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,805 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,805 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,841 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,868 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,872 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:30:59,888 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:30:59,888 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:30:59,889 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:30:59,889 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (1/1) ... [2023-08-30 13:30:59,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:30:59,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:30:59,922 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 13:30:59,945 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 13:30:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:30:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:30:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:30:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:30:59,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:30:59,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:30:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:30:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:30:59,959 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:30:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:30:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 13:30:59,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:30:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:30:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:30:59,960 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 13:30:59,961 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_set [2023-08-30 13:30:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:30:59,963 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 13:31:00,508 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:31:00,510 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:31:01,375 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:31:01,388 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:31:01,388 INFO L302 CfgBuilder]: Removed 27 assume(true) statements. [2023-08-30 13:31:01,390 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:31:01 BoogieIcfgContainer [2023-08-30 13:31:01,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:31:01,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:31:01,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:31:01,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:31:01,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:30:55" (1/3) ... [2023-08-30 13:31:01,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7d5b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:31:01, skipping insertion in model container [2023-08-30 13:31:01,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:30:59" (2/3) ... [2023-08-30 13:31:01,397 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7d5b48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:31:01, skipping insertion in model container [2023-08-30 13:31:01,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:31:01" (3/3) ... [2023-08-30 13:31:01,398 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_get_pc8736x_gpio_set.i [2023-08-30 13:31:01,405 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:31:01,413 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:31:01,413 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2023-08-30 13:31:01,414 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:31:01,552 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:31:01,599 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 773 places, 819 transitions, 1654 flow [2023-08-30 13:31:01,842 INFO L130 PetriNetUnfolder]: 53/817 cut-off events. [2023-08-30 13:31:01,843 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:31:01,851 INFO L83 FinitePrefix]: Finished finitePrefix Result has 826 conditions, 817 events. 53/817 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1145 event pairs, 0 based on Foata normal form. 0/736 useless extension candidates. Maximal degree in co-relation 766. Up to 9 conditions per place. [2023-08-30 13:31:01,851 INFO L82 GeneralOperation]: Start removeDead. Operand has 773 places, 819 transitions, 1654 flow [2023-08-30 13:31:01,860 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 763 places, 809 transitions, 1627 flow [2023-08-30 13:31:01,863 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:31:01,873 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 763 places, 809 transitions, 1627 flow [2023-08-30 13:31:01,876 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 763 places, 809 transitions, 1627 flow [2023-08-30 13:31:01,877 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 763 places, 809 transitions, 1627 flow [2023-08-30 13:31:02,057 INFO L130 PetriNetUnfolder]: 53/809 cut-off events. [2023-08-30 13:31:02,058 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2023-08-30 13:31:02,062 INFO L83 FinitePrefix]: Finished finitePrefix Result has 817 conditions, 809 events. 53/809 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 1082 event pairs, 0 based on Foata normal form. 0/728 useless extension candidates. Maximal degree in co-relation 766. Up to 9 conditions per place. [2023-08-30 13:31:02,069 INFO L119 LiptonReduction]: Number of co-enabled transitions 11830 [2023-08-30 13:32:01,660 WARN L222 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 283 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:32:27,455 WARN L222 SmtUtils]: Spent 20.52s on a formula simplification that was a NOOP. DAG size: 406 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:32:43,948 WARN L222 SmtUtils]: Spent 16.48s on a formula simplification that was a NOOP. DAG size: 350 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:33:04,079 WARN L222 SmtUtils]: Spent 20.13s on a formula simplification that was a NOOP. DAG size: 406 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:33:20,855 WARN L222 SmtUtils]: Spent 16.77s on a formula simplification that was a NOOP. DAG size: 350 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:34:14,668 WARN L222 SmtUtils]: Spent 48.35s on a formula simplification that was a NOOP. DAG size: 552 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:34:53,292 WARN L222 SmtUtils]: Spent 38.62s on a formula simplification that was a NOOP. DAG size: 543 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:35:21,096 WARN L222 SmtUtils]: Spent 27.80s on a formula simplification that was a NOOP. DAG size: 552 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:35:46,521 WARN L222 SmtUtils]: Spent 25.42s on a formula simplification that was a NOOP. DAG size: 543 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:37:51,840 WARN L222 SmtUtils]: Spent 1.92m on a formula simplification. DAG size of input: 587 DAG size of output: 585 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:38:51,502 WARN L222 SmtUtils]: Spent 59.66s 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 13:40:30,721 WARN L222 SmtUtils]: Spent 1.65m on a formula simplification. DAG size of input: 587 DAG size of output: 585 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:40:52,916 WARN L222 SmtUtils]: Spent 22.19s 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 13:41:03,070 INFO L134 LiptonReduction]: Checked pairs total: 9741 [2023-08-30 13:41:03,071 INFO L136 LiptonReduction]: Total number of compositions: 979 [2023-08-30 13:41:03,083 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:41:03,087 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;@1531e352, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:41:03,087 INFO L358 AbstractCegarLoop]: Starting to check reachability of 36 error locations. [2023-08-30 13:41:03,095 INFO L130 PetriNetUnfolder]: 2/5 cut-off events. [2023-08-30 13:41:03,095 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:41:03,095 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:03,096 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 13:41:03,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:03,100 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:03,100 INFO L85 PathProgramCache]: Analyzing trace with hash 3037476, now seen corresponding path program 1 times [2023-08-30 13:41:03,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501347027] [2023-08-30 13:41:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:03,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:03,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:03,632 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 13:41:03,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:03,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501347027] [2023-08-30 13:41:03,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501347027] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:41:03,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:41:03,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:41:03,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988777657] [2023-08-30 13:41:03,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:41:03,643 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 13:41:03,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:03,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 13:41:03,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 13:41:03,674 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 769 out of 1798 [2023-08-30 13:41:03,680 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 77 transitions, 163 flow. Second operand has 2 states, 2 states have (on average 770.5) internal successors, (1541), 2 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states 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 13:41:03,681 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:03,682 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 769 of 1798 [2023-08-30 13:41:03,683 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:04,033 INFO L130 PetriNetUnfolder]: 115/232 cut-off events. [2023-08-30 13:41:04,034 INFO L131 PetriNetUnfolder]: For 13/13 co-relation queries the response was YES. [2023-08-30 13:41:04,034 INFO L83 FinitePrefix]: Finished finitePrefix Result has 497 conditions, 232 events. 115/232 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 744 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 13:41:04,036 INFO L137 encePairwiseOnDemand]: 1765/1798 looper letters, 36 selfloop transitions, 0 changer transitions 8/44 dead transitions. [2023-08-30 13:41:04,037 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 44 transitions, 185 flow [2023-08-30 13:41:04,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 13:41:04,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 13:41:04,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1615 transitions. [2023-08-30 13:41:04,064 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.44911012235817577 [2023-08-30 13:41:04,064 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1615 transitions. [2023-08-30 13:41:04,065 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1615 transitions. [2023-08-30 13:41:04,068 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:04,070 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1615 transitions. [2023-08-30 13:41:04,078 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 807.5) internal successors, (1615), 2 states have internal predecessors, (1615), 0 states have call successors, (0), 0 states 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 13:41:04,088 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1798.0) internal successors, (5394), 3 states have internal predecessors, (5394), 0 states have call successors, (0), 0 states 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 13:41:04,091 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1798.0) internal successors, (5394), 3 states have internal predecessors, (5394), 0 states have call successors, (0), 0 states 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 13:41:04,093 INFO L175 Difference]: Start difference. First operand has 62 places, 77 transitions, 163 flow. Second operand 2 states and 1615 transitions. [2023-08-30 13:41:04,093 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 44 transitions, 185 flow [2023-08-30 13:41:04,096 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 13:41:04,098 INFO L231 Difference]: Finished difference. Result has 39 places, 36 transitions, 75 flow [2023-08-30 13:41:04,099 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, 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 13:41:04,102 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -23 predicate places. [2023-08-30 13:41:04,102 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 36 transitions, 75 flow [2023-08-30 13:41:04,104 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 770.5) internal successors, (1541), 2 states have internal predecessors, (1541), 0 states have call successors, (0), 0 states 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 13:41:04,104 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:04,104 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:41:04,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:41:04,105 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:04,112 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:04,113 INFO L85 PathProgramCache]: Analyzing trace with hash -1375722561, now seen corresponding path program 1 times [2023-08-30 13:41:04,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:04,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231059321] [2023-08-30 13:41:04,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:04,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:04,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:04,441 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 13:41:04,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:04,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231059321] [2023-08-30 13:41:04,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231059321] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:41:04,442 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:41:04,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:41:04,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [468335937] [2023-08-30 13:41:04,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:41:04,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:41:04,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:04,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:41:04,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:41:04,462 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 759 out of 1798 [2023-08-30 13:41:04,465 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 36 transitions, 75 flow. Second operand has 3 states, 3 states have (on average 760.6666666666666) internal successors, (2282), 3 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states 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 13:41:04,465 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:04,465 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 759 of 1798 [2023-08-30 13:41:04,465 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:04,745 INFO L130 PetriNetUnfolder]: 103/213 cut-off events. [2023-08-30 13:41:04,745 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:41:04,745 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 19. 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 13:41:04,746 INFO L137 encePairwiseOnDemand]: 1792/1798 looper letters, 41 selfloop transitions, 4 changer transitions 0/45 dead transitions. [2023-08-30 13:41:04,746 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 45 transitions, 186 flow [2023-08-30 13:41:04,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:41:04,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:41:04,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2324 transitions. [2023-08-30 13:41:04,758 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43084909158324064 [2023-08-30 13:41:04,758 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2324 transitions. [2023-08-30 13:41:04,758 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2324 transitions. [2023-08-30 13:41:04,759 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:04,760 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2324 transitions. [2023-08-30 13:41:04,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 774.6666666666666) internal successors, (2324), 3 states have internal predecessors, (2324), 0 states have call successors, (0), 0 states 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 13:41:04,772 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1798.0) internal successors, (7192), 4 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states 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 13:41:04,776 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1798.0) internal successors, (7192), 4 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states 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 13:41:04,776 INFO L175 Difference]: Start difference. First operand has 39 places, 36 transitions, 75 flow. Second operand 3 states and 2324 transitions. [2023-08-30 13:41:04,776 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 45 transitions, 186 flow [2023-08-30 13:41:04,776 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 13:41:04,777 INFO L231 Difference]: Finished difference. Result has 31 places, 34 transitions, 79 flow [2023-08-30 13:41:04,777 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, 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 13:41:04,778 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -31 predicate places. [2023-08-30 13:41:04,778 INFO L495 AbstractCegarLoop]: Abstraction has has 31 places, 34 transitions, 79 flow [2023-08-30 13:41:04,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 760.6666666666666) internal successors, (2282), 3 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states 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 13:41:04,780 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:04,780 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:41:04,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:41:04,780 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:04,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:04,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1375378678, now seen corresponding path program 1 times [2023-08-30 13:41:04,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:04,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251071104] [2023-08-30 13:41:04,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:04,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:05,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:05,812 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 13:41:05,812 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:05,812 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251071104] [2023-08-30 13:41:05,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251071104] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:41:05,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:41:05,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:41:05,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614403505] [2023-08-30 13:41:05,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:41:05,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:41:05,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:05,814 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:41:05,814 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:41:05,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 759 out of 1798 [2023-08-30 13:41:05,865 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 34 transitions, 79 flow. Second operand has 3 states, 3 states have (on average 760.6666666666666) internal successors, (2282), 3 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states 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 13:41:05,865 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:05,865 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 759 of 1798 [2023-08-30 13:41:05,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:06,156 INFO L130 PetriNetUnfolder]: 103/214 cut-off events. [2023-08-30 13:41:06,156 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:41:06,156 INFO L83 FinitePrefix]: Finished finitePrefix Result has 462 conditions, 214 events. 103/214 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 714 event pairs, 94 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 458. Up to 214 conditions per place. [2023-08-30 13:41:06,157 INFO L137 encePairwiseOnDemand]: 1794/1798 looper letters, 33 selfloop transitions, 2 changer transitions 0/35 dead transitions. [2023-08-30 13:41:06,157 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 35 transitions, 151 flow [2023-08-30 13:41:06,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:41:06,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:41:06,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2314 transitions. [2023-08-30 13:41:06,163 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42899517982944013 [2023-08-30 13:41:06,164 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2314 transitions. [2023-08-30 13:41:06,164 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2314 transitions. [2023-08-30 13:41:06,165 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:06,165 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2314 transitions. [2023-08-30 13:41:06,169 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 771.3333333333334) internal successors, (2314), 3 states have internal predecessors, (2314), 0 states have call successors, (0), 0 states 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 13:41:06,178 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1798.0) internal successors, (7192), 4 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states 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 13:41:06,181 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1798.0) internal successors, (7192), 4 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states 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 13:41:06,181 INFO L175 Difference]: Start difference. First operand has 31 places, 34 transitions, 79 flow. Second operand 3 states and 2314 transitions. [2023-08-30 13:41:06,181 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 35 transitions, 151 flow [2023-08-30 13:41:06,182 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 35 transitions, 143 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:41:06,183 INFO L231 Difference]: Finished difference. Result has 32 places, 35 transitions, 85 flow [2023-08-30 13:41:06,183 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, PETRI_DIFFERENCE_MINUEND_FLOW=71, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=85, PETRI_PLACES=32, PETRI_TRANSITIONS=35} [2023-08-30 13:41:06,187 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -30 predicate places. [2023-08-30 13:41:06,188 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 35 transitions, 85 flow [2023-08-30 13:41:06,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 760.6666666666666) internal successors, (2282), 3 states have internal predecessors, (2282), 0 states have call successors, (0), 0 states 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 13:41:06,190 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:06,190 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:41:06,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:41:06,190 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting whoop_wrapper_pc8736x_gpio_setErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:06,191 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:06,191 INFO L85 PathProgramCache]: Analyzing trace with hash 182714102, now seen corresponding path program 1 times [2023-08-30 13:41:06,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:06,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1012876341] [2023-08-30 13:41:06,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:06,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:06,845 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 13:41:06,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:06,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1012876341] [2023-08-30 13:41:06,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1012876341] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:41:06,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100014734] [2023-08-30 13:41:06,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:06,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:06,846 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:41:06,853 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 13:41:06,873 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 13:41:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:07,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 1063 conjuncts, 8 conjunts are in the unsatisfiable core [2023-08-30 13:41:07,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:41:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-30 13:41:07,414 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 13:41:07,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100014734] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:41:07,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 13:41:07,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-30 13:41:07,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487862124] [2023-08-30 13:41:07,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:41:07,415 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-08-30 13:41:07,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:07,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-08-30 13:41:07,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-08-30 13:41:07,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 762 out of 1798 [2023-08-30 13:41:07,462 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 35 transitions, 85 flow. Second operand has 4 states, 4 states have (on average 763.5) internal successors, (3054), 4 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states 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 13:41:07,463 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:07,463 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 762 of 1798 [2023-08-30 13:41:07,463 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:08,392 INFO L130 PetriNetUnfolder]: 48/102 cut-off events. [2023-08-30 13:41:08,393 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:41:08,393 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 102 events. 48/102 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 330 event pairs, 2 based on Foata normal form. 0/75 useless extension candidates. Maximal degree in co-relation 221. Up to 68 conditions per place. [2023-08-30 13:41:08,394 INFO L137 encePairwiseOnDemand]: 1795/1798 looper letters, 37 selfloop transitions, 2 changer transitions 0/39 dead transitions. [2023-08-30 13:41:08,394 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 39 transitions, 173 flow [2023-08-30 13:41:08,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-08-30 13:41:08,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-08-30 13:41:08,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 3087 transitions. [2023-08-30 13:41:08,402 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4292269187986652 [2023-08-30 13:41:08,402 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 3087 transitions. [2023-08-30 13:41:08,402 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 3087 transitions. [2023-08-30 13:41:08,404 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:08,404 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 3087 transitions. [2023-08-30 13:41:08,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 771.75) internal successors, (3087), 4 states have internal predecessors, (3087), 0 states have call successors, (0), 0 states 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 13:41:08,424 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 1798.0) internal successors, (8990), 5 states have internal predecessors, (8990), 0 states have call successors, (0), 0 states 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 13:41:08,427 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 1798.0) internal successors, (8990), 5 states have internal predecessors, (8990), 0 states have call successors, (0), 0 states 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 13:41:08,427 INFO L175 Difference]: Start difference. First operand has 32 places, 35 transitions, 85 flow. Second operand 4 states and 3087 transitions. [2023-08-30 13:41:08,427 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 39 transitions, 173 flow [2023-08-30 13:41:08,428 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 39 transitions, 169 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 13:41:08,429 INFO L231 Difference]: Finished difference. Result has 33 places, 34 transitions, 83 flow [2023-08-30 13:41:08,429 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=83, PETRI_PLACES=33, PETRI_TRANSITIONS=34} [2023-08-30 13:41:08,431 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -29 predicate places. [2023-08-30 13:41:08,431 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 34 transitions, 83 flow [2023-08-30 13:41:08,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 763.5) internal successors, (3054), 4 states have internal predecessors, (3054), 0 states have call successors, (0), 0 states 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 13:41:08,444 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:08,444 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:41:08,456 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 13:41:08,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:08,652 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting whoop_wrapper_pc8736x_gpio_setErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:08,653 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:08,653 INFO L85 PathProgramCache]: Analyzing trace with hash 182713764, now seen corresponding path program 1 times [2023-08-30 13:41:08,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:08,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223388943] [2023-08-30 13:41:08,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:09,250 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 13:41:09,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:09,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223388943] [2023-08-30 13:41:09,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223388943] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:41:09,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749401055] [2023-08-30 13:41:09,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:09,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:09,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:41:09,253 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 13:41:09,269 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 13:41:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:10,345 INFO L263 TraceCheckSpWp]: Trace formula consists of 1062 conjuncts, 3 conjunts are in the unsatisfiable core [2023-08-30 13:41:10,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:41:10,478 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-08-30 13:41:10,480 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-08-30 13:41:10,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749401055] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:41:10,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-08-30 13:41:10,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 5 [2023-08-30 13:41:10,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260954531] [2023-08-30 13:41:10,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:41:10,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:41:10,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:10,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:41:10,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-08-30 13:41:10,510 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 764 out of 1798 [2023-08-30 13:41:10,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 34 transitions, 83 flow. Second operand has 3 states, 3 states have (on average 766.0) internal successors, (2298), 3 states have internal predecessors, (2298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:41:10,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:10,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 764 of 1798 [2023-08-30 13:41:10,513 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:10,901 INFO L130 PetriNetUnfolder]: 39/85 cut-off events. [2023-08-30 13:41:10,901 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 13:41:10,902 INFO L83 FinitePrefix]: Finished finitePrefix Result has 197 conditions, 85 events. 39/85 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 247 event pairs, 2 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 192. Up to 51 conditions per place. [2023-08-30 13:41:10,902 INFO L137 encePairwiseOnDemand]: 1796/1798 looper letters, 37 selfloop transitions, 1 changer transitions 0/38 dead transitions. [2023-08-30 13:41:10,902 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 38 transitions, 169 flow [2023-08-30 13:41:10,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:41:10,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:41:10,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2330 transitions. [2023-08-30 13:41:10,908 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.43196143863552094 [2023-08-30 13:41:10,908 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2330 transitions. [2023-08-30 13:41:10,909 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2330 transitions. [2023-08-30 13:41:10,910 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:10,910 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2330 transitions. [2023-08-30 13:41:10,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 776.6666666666666) internal successors, (2330), 3 states have internal predecessors, (2330), 0 states have call successors, (0), 0 states 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 13:41:10,920 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1798.0) internal successors, (7192), 4 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states 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 13:41:10,921 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1798.0) internal successors, (7192), 4 states have internal predecessors, (7192), 0 states have call successors, (0), 0 states 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 13:41:10,922 INFO L175 Difference]: Start difference. First operand has 33 places, 34 transitions, 83 flow. Second operand 3 states and 2330 transitions. [2023-08-30 13:41:10,922 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 38 transitions, 169 flow [2023-08-30 13:41:10,922 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 38 transitions, 166 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:41:10,923 INFO L231 Difference]: Finished difference. Result has 32 places, 33 transitions, 80 flow [2023-08-30 13:41:10,923 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=30, 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=80, PETRI_PLACES=32, PETRI_TRANSITIONS=33} [2023-08-30 13:41:10,924 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -30 predicate places. [2023-08-30 13:41:10,924 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 33 transitions, 80 flow [2023-08-30 13:41:10,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 766.0) internal successors, (2298), 3 states have internal predecessors, (2298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-08-30 13:41:10,925 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:10,925 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:41:10,939 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 13:41:11,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:11,136 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:11,137 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:11,137 INFO L85 PathProgramCache]: Analyzing trace with hash 182714103, now seen corresponding path program 1 times [2023-08-30 13:41:11,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:11,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426150839] [2023-08-30 13:41:11,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:11,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:12,055 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 13:41:12,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:12,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1426150839] [2023-08-30 13:41:12,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1426150839] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:41:12,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302315329] [2023-08-30 13:41:12,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:12,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:12,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:41:12,061 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 13:41:12,064 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 13:41:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:12,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 1067 conjuncts, 10 conjunts are in the unsatisfiable core [2023-08-30 13:41:12,765 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:41:12,804 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 13:41:12,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:41:13,104 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 13:41:13,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302315329] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:41:13,106 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:41:13,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2023-08-30 13:41:13,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194424174] [2023-08-30 13:41:13,108 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:41:13,108 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-08-30 13:41:13,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:13,110 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-08-30 13:41:13,110 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-08-30 13:41:13,214 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 755 out of 1798 [2023-08-30 13:41:13,218 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 33 transitions, 80 flow. Second operand has 8 states, 8 states have (on average 756.5) internal successors, (6052), 8 states have internal predecessors, (6052), 0 states have call successors, (0), 0 states 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 13:41:13,218 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:13,218 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 755 of 1798 [2023-08-30 13:41:13,218 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:13,916 INFO L130 PetriNetUnfolder]: 39/90 cut-off events. [2023-08-30 13:41:13,917 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2023-08-30 13:41:13,917 INFO L83 FinitePrefix]: Finished finitePrefix Result has 217 conditions, 90 events. 39/90 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 219 event pairs, 29 based on Foata normal form. 0/71 useless extension candidates. Maximal degree in co-relation 212. Up to 80 conditions per place. [2023-08-30 13:41:13,918 INFO L137 encePairwiseOnDemand]: 1790/1798 looper letters, 26 selfloop transitions, 12 changer transitions 0/38 dead transitions. [2023-08-30 13:41:13,918 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 38 transitions, 172 flow [2023-08-30 13:41:13,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-08-30 13:41:13,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2023-08-30 13:41:13,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 5333 transitions. [2023-08-30 13:41:13,930 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4237247735579215 [2023-08-30 13:41:13,930 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 5333 transitions. [2023-08-30 13:41:13,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 5333 transitions. [2023-08-30 13:41:13,933 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:13,933 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 5333 transitions. [2023-08-30 13:41:13,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 761.8571428571429) internal successors, (5333), 7 states have internal predecessors, (5333), 0 states have call successors, (0), 0 states 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 13:41:13,956 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 1798.0) internal successors, (14384), 8 states have internal predecessors, (14384), 0 states have call successors, (0), 0 states 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 13:41:13,958 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 1798.0) internal successors, (14384), 8 states have internal predecessors, (14384), 0 states have call successors, (0), 0 states 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 13:41:13,959 INFO L175 Difference]: Start difference. First operand has 32 places, 33 transitions, 80 flow. Second operand 7 states and 5333 transitions. [2023-08-30 13:41:13,959 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 38 transitions, 172 flow [2023-08-30 13:41:13,960 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 38 transitions, 171 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:41:13,961 INFO L231 Difference]: Finished difference. Result has 37 places, 38 transitions, 123 flow [2023-08-30 13:41:13,961 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, PETRI_DIFFERENCE_MINUEND_FLOW=79, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=123, PETRI_PLACES=37, PETRI_TRANSITIONS=38} [2023-08-30 13:41:13,965 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -25 predicate places. [2023-08-30 13:41:13,965 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 38 transitions, 123 flow [2023-08-30 13:41:13,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 756.5) internal successors, (6052), 8 states have internal predecessors, (6052), 0 states have call successors, (0), 0 states 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 13:41:13,966 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:13,967 INFO L208 CegarLoopForPetriNet]: trace histogram [4, 1, 1, 1, 1, 1] [2023-08-30 13:41:13,979 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-08-30 13:41:14,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:14,177 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:14,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:14,177 INFO L85 PathProgramCache]: Analyzing trace with hash 1052966411, now seen corresponding path program 2 times [2023-08-30 13:41:14,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:14,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901752012] [2023-08-30 13:41:14,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:14,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:14,950 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 13:41:14,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:14,952 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901752012] [2023-08-30 13:41:14,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901752012] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:41:14,953 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1959393211] [2023-08-30 13:41:14,953 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-08-30 13:41:14,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:14,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:41:14,955 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 13:41:14,957 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 13:41:17,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-08-30 13:41:17,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:41:17,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 1118 conjuncts, 15 conjunts are in the unsatisfiable core [2023-08-30 13:41:17,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:41:17,209 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 13:41:17,209 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:41:17,548 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 13:41:17,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1959393211] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:41:17,548 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:41:17,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 16 [2023-08-30 13:41:17,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741550838] [2023-08-30 13:41:17,549 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:41:17,549 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-08-30 13:41:17,549 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:17,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-08-30 13:41:17,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2023-08-30 13:41:18,110 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 755 out of 1798 [2023-08-30 13:41:18,131 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 38 transitions, 123 flow. Second operand has 17 states, 17 states have (on average 756.2352941176471) internal successors, (12856), 17 states have internal predecessors, (12856), 0 states have call successors, (0), 0 states 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 13:41:18,131 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:18,131 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 755 of 1798 [2023-08-30 13:41:18,131 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:21,010 INFO L130 PetriNetUnfolder]: 39/99 cut-off events. [2023-08-30 13:41:21,011 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:41:21,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 264 conditions, 99 events. 39/99 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 236 event pairs, 29 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 259. Up to 85 conditions per place. [2023-08-30 13:41:21,012 INFO L137 encePairwiseOnDemand]: 1790/1798 looper letters, 30 selfloop transitions, 17 changer transitions 0/47 dead transitions. [2023-08-30 13:41:21,012 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 265 flow [2023-08-30 13:41:21,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-08-30 13:41:21,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2023-08-30 13:41:21,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 9125 transitions. [2023-08-30 13:41:21,070 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4229236188357434 [2023-08-30 13:41:21,070 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 9125 transitions. [2023-08-30 13:41:21,070 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 9125 transitions. [2023-08-30 13:41:21,074 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:41:21,074 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 9125 transitions. [2023-08-30 13:41:21,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 760.4166666666666) internal successors, (9125), 12 states have internal predecessors, (9125), 0 states have call successors, (0), 0 states 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 13:41:21,117 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 1798.0) internal successors, (23374), 13 states have internal predecessors, (23374), 0 states have call successors, (0), 0 states 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 13:41:21,123 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 1798.0) internal successors, (23374), 13 states have internal predecessors, (23374), 0 states have call successors, (0), 0 states 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 13:41:21,123 INFO L175 Difference]: Start difference. First operand has 37 places, 38 transitions, 123 flow. Second operand 12 states and 9125 transitions. [2023-08-30 13:41:21,123 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 265 flow [2023-08-30 13:41:21,124 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 47 transitions, 230 flow, removed 13 selfloop flow, removed 3 redundant places. [2023-08-30 13:41:21,125 INFO L231 Difference]: Finished difference. Result has 51 places, 47 transitions, 232 flow [2023-08-30 13:41:21,126 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=232, PETRI_PLACES=51, PETRI_TRANSITIONS=47} [2023-08-30 13:41:21,126 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, -11 predicate places. [2023-08-30 13:41:21,126 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 47 transitions, 232 flow [2023-08-30 13:41:21,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 756.2352941176471) internal successors, (12856), 17 states have internal predecessors, (12856), 0 states have call successors, (0), 0 states 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 13:41:21,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:41:21,130 INFO L208 CegarLoopForPetriNet]: trace histogram [10, 1, 1, 1, 1, 1] [2023-08-30 13:41:21,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-08-30 13:41:21,342 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:21,343 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:41:21,343 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:41:21,343 INFO L85 PathProgramCache]: Analyzing trace with hash 1450776203, now seen corresponding path program 3 times [2023-08-30 13:41:21,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:41:21,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352971738] [2023-08-30 13:41:21,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:41:21,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:41:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:41:22,745 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 13:41:22,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:41:22,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352971738] [2023-08-30 13:41:22,745 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352971738] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:41:22,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2074937287] [2023-08-30 13:41:22,745 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-08-30 13:41:22,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:41:22,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:41:22,747 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:41:22,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-08-30 13:41:31,395 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-08-30 13:41:31,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:41:31,408 INFO L263 TraceCheckSpWp]: Trace formula consists of 1220 conjuncts, 34 conjunts are in the unsatisfiable core [2023-08-30 13:41:31,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:41:31,722 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 13:41:31,722 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:41:32,701 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 13:41:32,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2074937287] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:41:32,702 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:41:32,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 34 [2023-08-30 13:41:32,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609784846] [2023-08-30 13:41:32,702 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:41:32,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2023-08-30 13:41:32,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:41:32,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2023-08-30 13:41:32,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=859, Unknown=0, NotChecked=0, Total=1190 [2023-08-30 13:41:36,745 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 755 out of 1798 [2023-08-30 13:41:36,761 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 47 transitions, 232 flow. Second operand has 35 states, 35 states have (on average 756.1142857142858) internal successors, (26464), 35 states have internal predecessors, (26464), 0 states have call successors, (0), 0 states 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 13:41:36,761 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:41:36,762 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 755 of 1798 [2023-08-30 13:41:36,762 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:41:56,734 WARN L222 SmtUtils]: Spent 13.33s on a formula simplification. DAG size of input: 67 DAG size of output: 47 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:42:11,483 WARN L222 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 55 DAG size of output: 39 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:42:21,393 INFO L130 PetriNetUnfolder]: 39/117 cut-off events. [2023-08-30 13:42:21,393 INFO L131 PetriNetUnfolder]: For 209/209 co-relation queries the response was YES. [2023-08-30 13:42:21,394 INFO L83 FinitePrefix]: Finished finitePrefix Result has 371 conditions, 117 events. 39/117 cut-off events. For 209/209 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 222 event pairs, 29 based on Foata normal form. 18/119 useless extension candidates. Maximal degree in co-relation 360. Up to 80 conditions per place. [2023-08-30 13:42:21,394 INFO L137 encePairwiseOnDemand]: 1790/1798 looper letters, 26 selfloop transitions, 39 changer transitions 0/65 dead transitions. [2023-08-30 13:42:21,395 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 65 transitions, 470 flow [2023-08-30 13:42:21,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-08-30 13:42:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2023-08-30 13:42:21,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 18976 transitions. [2023-08-30 13:42:21,430 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4221579532814238 [2023-08-30 13:42:21,430 INFO L72 ComplementDD]: Start complementDD. Operand 25 states and 18976 transitions. [2023-08-30 13:42:21,430 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 18976 transitions. [2023-08-30 13:42:21,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:42:21,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 25 states and 18976 transitions. [2023-08-30 13:42:21,459 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 26 states, 25 states have (on average 759.04) internal successors, (18976), 25 states have internal predecessors, (18976), 0 states have call successors, (0), 0 states 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 13:42:21,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 26 states, 26 states have (on average 1798.0) internal successors, (46748), 26 states have internal predecessors, (46748), 0 states have call successors, (0), 0 states 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 13:42:21,505 INFO L81 ComplementDD]: Finished complementDD. Result has 26 states, 26 states have (on average 1798.0) internal successors, (46748), 26 states have internal predecessors, (46748), 0 states have call successors, (0), 0 states 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 13:42:21,505 INFO L175 Difference]: Start difference. First operand has 51 places, 47 transitions, 232 flow. Second operand 25 states and 18976 transitions. [2023-08-30 13:42:21,505 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 65 transitions, 470 flow [2023-08-30 13:42:21,508 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 65 transitions, 446 flow, removed 10 selfloop flow, removed 2 redundant places. [2023-08-30 13:42:21,510 INFO L231 Difference]: Finished difference. Result has 73 places, 65 transitions, 398 flow [2023-08-30 13:42:21,510 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1798, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=25, PETRI_FLOW=398, PETRI_PLACES=73, PETRI_TRANSITIONS=65} [2023-08-30 13:42:21,510 INFO L281 CegarLoopForPetriNet]: 62 programPoint places, 11 predicate places. [2023-08-30 13:42:21,510 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 65 transitions, 398 flow [2023-08-30 13:42:21,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 756.1142857142858) internal successors, (26464), 35 states have internal predecessors, (26464), 0 states have call successors, (0), 0 states 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 13:42:21,514 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:42:21,514 INFO L208 CegarLoopForPetriNet]: trace histogram [22, 1, 1, 1, 1, 1] [2023-08-30 13:42:21,529 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-08-30 13:42:21,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:42:21,729 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting whoop_wrapper_pc8736x_gpio_setErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 33 more)] === [2023-08-30 13:42:21,729 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:42:21,729 INFO L85 PathProgramCache]: Analyzing trace with hash 389031819, now seen corresponding path program 4 times [2023-08-30 13:42:21,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:42:21,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435188911] [2023-08-30 13:42:21,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:42:21,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:42:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:42:25,210 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 13:42:25,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:42:25,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435188911] [2023-08-30 13:42:25,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435188911] provided 0 perfect and 1 imperfect interpolant sequences [2023-08-30 13:42:25,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1344565776] [2023-08-30 13:42:25,211 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-08-30 13:42:25,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-08-30 13:42:25,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:42:25,212 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-08-30 13:42:25,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-08-30 13:42:29,863 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-08-30 13:42:29,863 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-08-30 13:42:29,875 INFO L263 TraceCheckSpWp]: Trace formula consists of 1424 conjuncts, 51 conjunts are in the unsatisfiable core [2023-08-30 13:42:29,879 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-08-30 13:42:30,720 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 13:42:30,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-08-30 13:42:32,465 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 13:42:32,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1344565776] provided 0 perfect and 2 imperfect interpolant sequences [2023-08-30 13:42:32,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-08-30 13:42:32,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 70 [2023-08-30 13:42:32,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826871717] [2023-08-30 13:42:32,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-08-30 13:42:32,467 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-08-30 13:42:32,467 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:42:32,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-08-30 13:42:32,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1202, Invalid=3768, Unknown=0, NotChecked=0, Total=4970 [2023-08-30 13:42:39,797 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 755 out of 1798 [2023-08-30 13:42:39,820 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 65 transitions, 398 flow. Second operand has 71 states, 71 states have (on average 756.056338028169) internal successors, (53680), 71 states have internal predecessors, (53680), 0 states have call successors, (0), 0 states 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 13:42:39,820 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:42:39,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 755 of 1798 [2023-08-30 13:42:39,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:42:49,660 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 13:42:51,670 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 21) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 20) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:42:53,820 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:42:55,907 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 13:42:57,977 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ 19 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:43:00,020 WARN L839 $PredicateComparison]: unable to prove that (let ((.cse0 (mod |c_ULTIMATE.start_external_alloc_~size#1| 4294967296))) (and (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 8) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 14) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 5) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 1) 4294967296) .cse0) (< (mod |c_ULTIMATE.start_external_alloc_~i~0#1| 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 3) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 6) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 2) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 15) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 16) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 18) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 13) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 12) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 17) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 9) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 10) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 4) 4294967296) .cse0) (< (mod (+ |c_ULTIMATE.start_external_alloc_~i~0#1| 11) 4294967296) .cse0) (< (mod (+ 7 |c_ULTIMATE.start_external_alloc_~i~0#1|) 4294967296) .cse0))) is different from false [2023-08-30 13:44:25,220 WARN L222 SmtUtils]: Spent 35.17s on a formula simplification that was a NOOP. DAG size: 75 (called from [L 376] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-08-30 13:44:26,945 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 13:44:28,182 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-08-30 13:44:29,476 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15