./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/no-overflow.prp --file ../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.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_current_pc8736x_gpio_get.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 8e03212f81563a7fcbc917917e9bcb47cc00163f783be40727098c4a3913b164 --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 13:29:46,362 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-08-30 13:29:46,364 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-08-30 13:29:46,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-08-30 13:29:46,402 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-08-30 13:29:46,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-08-30 13:29:46,409 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-08-30 13:29:46,411 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-08-30 13:29:46,412 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-08-30 13:29:46,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-08-30 13:29:46,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-08-30 13:29:46,416 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-08-30 13:29:46,416 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-08-30 13:29:46,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-08-30 13:29:46,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-08-30 13:29:46,420 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-08-30 13:29:46,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-08-30 13:29:46,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-08-30 13:29:46,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-08-30 13:29:46,429 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-08-30 13:29:46,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-08-30 13:29:46,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-08-30 13:29:46,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-08-30 13:29:46,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-08-30 13:29:46,442 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-08-30 13:29:46,445 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-08-30 13:29:46,445 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-08-30 13:29:46,446 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-08-30 13:29:46,447 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-08-30 13:29:46,448 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-08-30 13:29:46,448 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-08-30 13:29:46,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-08-30 13:29:46,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-08-30 13:29:46,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-08-30 13:29:46,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-08-30 13:29:46,454 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-08-30 13:29:46,455 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-08-30 13:29:46,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-08-30 13:29:46,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-08-30 13:29:46,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-08-30 13:29:46,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-08-30 13:29:46,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2023-08-30 13:29:46,490 INFO L113 SettingsManager]: Loading preferences was successful [2023-08-30 13:29:46,490 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-30 13:29:46,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-08-30 13:29:46,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-08-30 13:29:46,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-30 13:29:46,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-30 13:29:46,493 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-30 13:29:46,493 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-08-30 13:29:46,493 INFO L138 SettingsManager]: * Use SBE=true [2023-08-30 13:29:46,493 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-30 13:29:46,494 INFO L138 SettingsManager]: * sizeof long=4 [2023-08-30 13:29:46,494 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2023-08-30 13:29:46,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-30 13:29:46,494 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-08-30 13:29:46,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-08-30 13:29:46,495 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-30 13:29:46,495 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-30 13:29:46,495 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-30 13:29:46,495 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2023-08-30 13:29:46,495 INFO L138 SettingsManager]: * sizeof long double=12 [2023-08-30 13:29:46,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-08-30 13:29:46,496 INFO L138 SettingsManager]: * Use constant arrays=true [2023-08-30 13:29:46,496 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-30 13:29:46,496 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-30 13:29:46,496 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-30 13:29:46,496 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-30 13:29:46,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:29:46,497 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-30 13:29:46,497 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-30 13:29:46,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-30 13:29:46,497 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-30 13:29:46,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-30 13:29:46,498 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-30 13:29:46,498 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-08-30 13:29:46,498 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-08-30 13:29:46,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-30 13:29:46,498 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-08-30 13:29:46,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e03212f81563a7fcbc917917e9bcb47cc00163f783be40727098c4a3913b164 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: When to check the insufficient erros location relative to the other error locations -> TOGETHER [2023-08-30 13:29:46,767 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-30 13:29:46,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-30 13:29:46,786 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-30 13:29:46,787 INFO L271 PluginConnector]: Initializing CDTParser... [2023-08-30 13:29:46,788 INFO L275 PluginConnector]: CDTParser initialized [2023-08-30 13:29:46,789 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-08-30 13:29:47,922 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-08-30 13:29:48,374 INFO L351 CDTParser]: Found 1 translation units. [2023-08-30 13:29:48,375 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-driver-races/char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-08-30 13:29:48,410 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672e1356f/9d611d100a59498bac6f9f5a16bd7f63/FLAG8342dfbc1 [2023-08-30 13:29:48,432 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/672e1356f/9d611d100a59498bac6f9f5a16bd7f63 [2023-08-30 13:29:48,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-30 13:29:48,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2023-08-30 13:29:48,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-30 13:29:48,439 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-30 13:29:48,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-30 13:29:48,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:29:48" (1/1) ... [2023-08-30 13:29:48,444 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f5b7348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:48, skipping insertion in model container [2023-08-30 13:29:48,444 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.08 01:29:48" (1/1) ... [2023-08-30 13:29:48,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-08-30 13:29:48,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-08-30 13:29:48,888 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_current_pc8736x_gpio_get.i[5469,5482] [2023-08-30 13:29:50,913 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:29:51,309 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:29:51,309 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:29:51,353 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:29:51,369 INFO L203 MainTranslator]: Completed pre-run [2023-08-30 13:29:51,382 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_current_pc8736x_gpio_get.i[5469,5482] [2023-08-30 13:29:51,574 WARN L633 FunctionHandler]: implicit declaration of function __builtin_constant_p [2023-08-30 13:29:51,626 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:29:51,626 WARN L1562 CHandler]: Possible shadowing of function iminor [2023-08-30 13:29:51,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-30 13:29:52,208 WARN L667 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,208 WARN L667 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,209 WARN L667 CHandler]: The function __xchg_wrong_size is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,209 WARN L667 CHandler]: The function release is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,209 WARN L667 CHandler]: The function __builtin_constant_p is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,209 WARN L667 CHandler]: The function ____ilog2_NaN is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,209 WARN L667 CHandler]: The function _whoop_init is called, but not defined or handled by StandardFunctionHandler. [2023-08-30 13:29:52,215 INFO L208 MainTranslator]: Completed translation [2023-08-30 13:29:52,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52 WrapperNode [2023-08-30 13:29:52,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-30 13:29:52,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-30 13:29:52,218 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-30 13:29:52,219 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-30 13:29:52,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,316 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,394 INFO L138 Inliner]: procedures = 1394, calls = 1531, calls flagged for inlining = 392, calls inlined = 47, statements flattened = 650 [2023-08-30 13:29:52,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-30 13:29:52,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-30 13:29:52,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-30 13:29:52,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-08-30 13:29:52,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,413 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,444 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,461 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,465 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,473 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-30 13:29:52,474 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-30 13:29:52,474 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-08-30 13:29:52,474 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-08-30 13:29:52,474 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (1/1) ... [2023-08-30 13:29:52,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-30 13:29:52,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-30 13:29:52,522 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 13:29:52,532 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 13:29:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-30 13:29:52,556 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-30 13:29:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-30 13:29:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-30 13:29:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 13:29:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 13:29:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-30 13:29:52,557 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-30 13:29:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-08-30 13:29:52,557 INFO L130 BoogieDeclarations]: Found specification of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:29:52,558 INFO L138 BoogieDeclarations]: Found implementation of procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:29:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-30 13:29:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-30 13:29:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-30 13:29:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-30 13:29:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-30 13:29:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-30 13:29:52,561 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 13:29:53,003 INFO L236 CfgBuilder]: Building ICFG [2023-08-30 13:29:53,005 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-30 13:29:53,704 INFO L277 CfgBuilder]: Performing block encoding [2023-08-30 13:29:53,717 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-30 13:29:53,717 INFO L302 CfgBuilder]: Removed 21 assume(true) statements. [2023-08-30 13:29:53,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:29:53 BoogieIcfgContainer [2023-08-30 13:29:53,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-30 13:29:53,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-30 13:29:53,722 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-08-30 13:29:53,725 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-08-30 13:29:53,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 30.08 01:29:48" (1/3) ... [2023-08-30 13:29:53,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc940a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:29:53, skipping insertion in model container [2023-08-30 13:29:53,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.08 01:29:52" (2/3) ... [2023-08-30 13:29:53,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35fc940a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 30.08 01:29:53, skipping insertion in model container [2023-08-30 13:29:53,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:29:53" (3/3) ... [2023-08-30 13:29:53,728 INFO L112 eAbstractionObserver]: Analyzing ICFG char_pc8736x_gpio_pc8736x_gpio_current_pc8736x_gpio_get.i [2023-08-30 13:29:53,734 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-08-30 13:29:53,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-30 13:29:53,742 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2023-08-30 13:29:53,743 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-30 13:29:53,839 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-08-30 13:29:53,890 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 696 places, 731 transitions, 1478 flow [2023-08-30 13:29:54,197 INFO L130 PetriNetUnfolder]: 42/729 cut-off events. [2023-08-30 13:29:54,197 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:29:54,204 INFO L83 FinitePrefix]: Finished finitePrefix Result has 738 conditions, 729 events. 42/729 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 811 event pairs, 0 based on Foata normal form. 0/665 useless extension candidates. Maximal degree in co-relation 683. Up to 9 conditions per place. [2023-08-30 13:29:54,204 INFO L82 GeneralOperation]: Start removeDead. Operand has 696 places, 731 transitions, 1478 flow [2023-08-30 13:29:54,210 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 532 places, 550 transitions, 1100 flow [2023-08-30 13:29:54,213 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-30 13:29:54,221 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 532 places, 550 transitions, 1100 flow [2023-08-30 13:29:54,223 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 532 places, 550 transitions, 1100 flow [2023-08-30 13:29:54,224 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 532 places, 550 transitions, 1100 flow [2023-08-30 13:29:54,337 INFO L130 PetriNetUnfolder]: 19/550 cut-off events. [2023-08-30 13:29:54,338 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:29:54,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 551 conditions, 550 events. 19/550 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 211 event pairs, 0 based on Foata normal form. 0/510 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2023-08-30 13:29:54,340 INFO L119 LiptonReduction]: Number of co-enabled transitions 0 [2023-08-30 13:31:01,892 WARN L222 SmtUtils]: Spent 13.52s on a formula simplification. DAG size of input: 292 DAG size of output: 289 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:31:08,801 WARN L222 SmtUtils]: Spent 6.91s on a formula simplification that was a NOOP. DAG size: 285 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:31:23,681 WARN L222 SmtUtils]: Spent 14.88s on a formula simplification. DAG size of input: 295 DAG size of output: 292 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:31:30,663 WARN L222 SmtUtils]: Spent 6.98s on a formula simplification that was a NOOP. DAG size: 288 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:33:56,398 WARN L222 SmtUtils]: Spent 2.42m on a formula simplification. DAG size of input: 669 DAG size of output: 667 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:34:58,681 WARN L222 SmtUtils]: Spent 1.04m 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 13:37:06,832 WARN L222 SmtUtils]: Spent 2.14m on a formula simplification. DAG size of input: 672 DAG size of output: 670 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:37:58,042 WARN L222 SmtUtils]: Spent 51.19s on a formula simplification that was a NOOP. DAG size: 584 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-30 13:38:08,202 INFO L134 LiptonReduction]: Checked pairs total: 0 [2023-08-30 13:38:08,202 INFO L136 LiptonReduction]: Total number of compositions: 680 [2023-08-30 13:38:08,223 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-08-30 13:38:08,229 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;@58cdfd4b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-08-30 13:38:08,229 INFO L358 AbstractCegarLoop]: Starting to check reachability of 24 error locations. [2023-08-30 13:38:08,240 INFO L130 PetriNetUnfolder]: 2/4 cut-off events. [2023-08-30 13:38:08,240 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:38:08,240 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:38:08,241 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2023-08-30 13:38:08,242 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 13:38:08,246 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:38:08,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2417338, now seen corresponding path program 1 times [2023-08-30 13:38:08,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:38:08,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343812188] [2023-08-30 13:38:08,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:38:08,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:38:08,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:38:08,797 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 13:38:08,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:38:08,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343812188] [2023-08-30 13:38:08,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343812188] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:38:08,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:38:08,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:38:08,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792427108] [2023-08-30 13:38:08,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:38:08,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-08-30 13:38:08,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:38:08,831 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-08-30 13:38:08,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-08-30 13:38:08,838 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 687 out of 1411 [2023-08-30 13:38:08,843 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 35 transitions, 70 flow. Second operand has 2 states, 2 states have (on average 688.5) internal successors, (1377), 2 states have internal predecessors, (1377), 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 13:38:08,844 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:38:08,844 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 687 of 1411 [2023-08-30 13:38:08,845 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:38:09,245 INFO L130 PetriNetUnfolder]: 4/14 cut-off events. [2023-08-30 13:38:09,247 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:38:09,248 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 14 events. 4/14 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 13 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 0. Up to 15 conditions per place. [2023-08-30 13:38:09,250 INFO L137 encePairwiseOnDemand]: 1390/1411 looper letters, 14 selfloop transitions, 0 changer transitions 0/14 dead transitions. [2023-08-30 13:38:09,251 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 14 transitions, 56 flow [2023-08-30 13:38:09,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-08-30 13:38:09,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-08-30 13:38:09,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 1409 transitions. [2023-08-30 13:38:09,276 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.49929128277817153 [2023-08-30 13:38:09,281 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 1409 transitions. [2023-08-30 13:38:09,282 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 1409 transitions. [2023-08-30 13:38:09,286 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:38:09,288 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 1409 transitions. [2023-08-30 13:38:09,303 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 704.5) internal successors, (1409), 2 states have internal predecessors, (1409), 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 13:38:09,314 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 1411.0) internal successors, (4233), 3 states have internal predecessors, (4233), 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 13:38:09,316 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 1411.0) internal successors, (4233), 3 states have internal predecessors, (4233), 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 13:38:09,318 INFO L175 Difference]: Start difference. First operand has 29 places, 35 transitions, 70 flow. Second operand 2 states and 1409 transitions. [2023-08-30 13:38:09,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 14 transitions, 56 flow [2023-08-30 13:38:09,320 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 14 transitions, 56 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 13:38:09,321 INFO L231 Difference]: Finished difference. Result has 12 places, 14 transitions, 28 flow [2023-08-30 13:38:09,322 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=14, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=28, PETRI_PLACES=12, PETRI_TRANSITIONS=14} [2023-08-30 13:38:09,326 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -17 predicate places. [2023-08-30 13:38:09,326 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 14 transitions, 28 flow [2023-08-30 13:38:09,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 688.5) internal successors, (1377), 2 states have internal predecessors, (1377), 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 13:38:09,327 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:38:09,327 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2023-08-30 13:38:09,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-08-30 13:38:09,328 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 13:38:09,335 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:38:09,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1971725615, now seen corresponding path program 1 times [2023-08-30 13:38:09,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:38:09,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97754017] [2023-08-30 13:38:09,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:38:09,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:38:09,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:38:09,618 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 13:38:09,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:38:09,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [97754017] [2023-08-30 13:38:09,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [97754017] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:38:09,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:38:09,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-08-30 13:38:09,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850600053] [2023-08-30 13:38:09,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:38:09,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:38:09,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:38:09,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:38:09,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:38:09,647 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 677 out of 1411 [2023-08-30 13:38:09,649 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 14 transitions, 28 flow. Second operand has 3 states, 3 states have (on average 678.6666666666666) internal successors, (2036), 3 states have internal predecessors, (2036), 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 13:38:09,649 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:38:09,649 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 677 of 1411 [2023-08-30 13:38:09,649 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:38:09,823 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 13:38:09,823 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:38:09,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 12 events. 4/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 24. Up to 7 conditions per place. [2023-08-30 13:38:09,824 INFO L137 encePairwiseOnDemand]: 1406/1411 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 13:38:09,824 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 12 places, 12 transitions, 48 flow [2023-08-30 13:38:09,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:38:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:38:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2045 transitions. [2023-08-30 13:38:09,830 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48310890621308766 [2023-08-30 13:38:09,830 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2045 transitions. [2023-08-30 13:38:09,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2045 transitions. [2023-08-30 13:38:09,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:38:09,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2045 transitions. [2023-08-30 13:38:09,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 681.6666666666666) internal successors, (2045), 3 states have internal predecessors, (2045), 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 13:38:09,844 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:09,846 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:09,847 INFO L175 Difference]: Start difference. First operand has 12 places, 14 transitions, 28 flow. Second operand 3 states and 2045 transitions. [2023-08-30 13:38:09,847 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 12 places, 12 transitions, 48 flow [2023-08-30 13:38:09,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 12 transitions, 48 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-08-30 13:38:09,848 INFO L231 Difference]: Finished difference. Result has 12 places, 12 transitions, 30 flow [2023-08-30 13:38:09,848 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=12, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=30, PETRI_PLACES=12, PETRI_TRANSITIONS=12} [2023-08-30 13:38:09,849 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -17 predicate places. [2023-08-30 13:38:09,849 INFO L495 AbstractCegarLoop]: Abstraction has has 12 places, 12 transitions, 30 flow [2023-08-30 13:38:09,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 678.6666666666666) internal successors, (2036), 3 states have internal predecessors, (2036), 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 13:38:09,851 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:38:09,851 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:38:09,851 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-08-30 13:38:09,852 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 13:38:09,853 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:38:09,853 INFO L85 PathProgramCache]: Analyzing trace with hash -993942045, now seen corresponding path program 1 times [2023-08-30 13:38:09,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:38:09,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447735783] [2023-08-30 13:38:09,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:38:09,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:38:09,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:38:10,063 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 13:38:10,064 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:38:10,064 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447735783] [2023-08-30 13:38:10,064 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447735783] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:38:10,064 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:38:10,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:38:10,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840895014] [2023-08-30 13:38:10,065 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:38:10,065 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:38:10,065 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:38:10,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:38:10,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:38:10,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 681 out of 1411 [2023-08-30 13:38:10,119 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 12 places, 12 transitions, 30 flow. Second operand has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 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 13:38:10,120 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:38:10,120 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 681 of 1411 [2023-08-30 13:38:10,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:38:10,447 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 13:38:10,447 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:38:10,447 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29 conditions, 11 events. 4/11 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/7 useless extension candidates. Maximal degree in co-relation 25. Up to 8 conditions per place. [2023-08-30 13:38:10,448 INFO L137 encePairwiseOnDemand]: 1408/1411 looper letters, 9 selfloop transitions, 2 changer transitions 0/11 dead transitions. [2023-08-30 13:38:10,448 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 11 transitions, 50 flow [2023-08-30 13:38:10,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:38:10,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:38:10,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2055 transitions. [2023-08-30 13:38:10,453 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48547129695251595 [2023-08-30 13:38:10,454 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2055 transitions. [2023-08-30 13:38:10,454 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2055 transitions. [2023-08-30 13:38:10,455 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:38:10,455 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2055 transitions. [2023-08-30 13:38:10,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 685.0) internal successors, (2055), 3 states have internal predecessors, (2055), 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 13:38:10,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:10,469 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:10,470 INFO L175 Difference]: Start difference. First operand has 12 places, 12 transitions, 30 flow. Second operand 3 states and 2055 transitions. [2023-08-30 13:38:10,470 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 11 transitions, 50 flow [2023-08-30 13:38:10,471 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 11 places, 11 transitions, 44 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-08-30 13:38:10,472 INFO L231 Difference]: Finished difference. Result has 11 places, 11 transitions, 26 flow [2023-08-30 13:38:10,472 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=22, PETRI_DIFFERENCE_MINUEND_PLACES=9, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=9, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=26, PETRI_PLACES=11, PETRI_TRANSITIONS=11} [2023-08-30 13:38:10,473 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -18 predicate places. [2023-08-30 13:38:10,473 INFO L495 AbstractCegarLoop]: Abstraction has has 11 places, 11 transitions, 26 flow [2023-08-30 13:38:10,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 683.0) internal successors, (2049), 3 states have internal predecessors, (2049), 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 13:38:10,474 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:38:10,475 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-08-30 13:38:10,478 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-08-30 13:38:10,478 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 13:38:10,478 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:38:10,478 INFO L85 PathProgramCache]: Analyzing trace with hash -993942013, now seen corresponding path program 1 times [2023-08-30 13:38:10,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:38:10,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873116778] [2023-08-30 13:38:10,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:38:10,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:38:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:38:10,687 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 13:38:10,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:38:10,689 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873116778] [2023-08-30 13:38:10,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873116778] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:38:10,690 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:38:10,690 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:38:10,690 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634987375] [2023-08-30 13:38:10,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:38:10,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:38:10,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:38:10,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:38:10,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:38:10,713 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 680 out of 1411 [2023-08-30 13:38:10,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 11 places, 11 transitions, 26 flow. Second operand has 3 states, 3 states have (on average 682.0) internal successors, (2046), 3 states have internal predecessors, (2046), 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 13:38:10,716 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:38:10,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 680 of 1411 [2023-08-30 13:38:10,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:38:11,009 INFO L130 PetriNetUnfolder]: 4/12 cut-off events. [2023-08-30 13:38:11,009 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2023-08-30 13:38:11,010 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 12 events. 4/12 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 26. Up to 11 conditions per place. [2023-08-30 13:38:11,010 INFO L137 encePairwiseOnDemand]: 1407/1411 looper letters, 9 selfloop transitions, 3 changer transitions 0/12 dead transitions. [2023-08-30 13:38:11,010 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 13 places, 12 transitions, 52 flow [2023-08-30 13:38:11,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:38:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:38:11,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2053 transitions. [2023-08-30 13:38:11,016 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4849988188046303 [2023-08-30 13:38:11,016 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2053 transitions. [2023-08-30 13:38:11,016 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2053 transitions. [2023-08-30 13:38:11,017 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:38:11,017 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2053 transitions. [2023-08-30 13:38:11,022 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 684.3333333333334) internal successors, (2053), 3 states have internal predecessors, (2053), 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 13:38:11,029 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:11,033 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:11,033 INFO L175 Difference]: Start difference. First operand has 11 places, 11 transitions, 26 flow. Second operand 3 states and 2053 transitions. [2023-08-30 13:38:11,033 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 13 places, 12 transitions, 52 flow [2023-08-30 13:38:11,033 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 12 places, 12 transitions, 50 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-08-30 13:38:11,034 INFO L231 Difference]: Finished difference. Result has 13 places, 12 transitions, 39 flow [2023-08-30 13:38:11,034 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=10, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=39, PETRI_PLACES=13, PETRI_TRANSITIONS=12} [2023-08-30 13:38:11,036 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -16 predicate places. [2023-08-30 13:38:11,036 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 12 transitions, 39 flow [2023-08-30 13:38:11,037 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 682.0) internal successors, (2046), 3 states have internal predecessors, (2046), 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 13:38:11,037 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-08-30 13:38:11,038 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2023-08-30 13:38:11,038 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-08-30 13:38:11,038 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 21 more)] === [2023-08-30 13:38:11,038 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-08-30 13:38:11,038 INFO L85 PathProgramCache]: Analyzing trace with hash -747425763, now seen corresponding path program 1 times [2023-08-30 13:38:11,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-08-30 13:38:11,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065963891] [2023-08-30 13:38:11,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-08-30 13:38:11,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-08-30 13:38:11,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-08-30 13:38:11,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-08-30 13:38:11,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-08-30 13:38:11,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2065963891] [2023-08-30 13:38:11,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2065963891] provided 1 perfect and 0 imperfect interpolant sequences [2023-08-30 13:38:11,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-08-30 13:38:11,235 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-08-30 13:38:11,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893218361] [2023-08-30 13:38:11,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-08-30 13:38:11,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-08-30 13:38:11,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-08-30 13:38:11,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-08-30 13:38:11,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-08-30 13:38:11,254 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 679 out of 1411 [2023-08-30 13:38:11,256 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 13 places, 12 transitions, 39 flow. Second operand has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 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 13:38:11,256 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-08-30 13:38:11,256 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 679 of 1411 [2023-08-30 13:38:11,256 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-08-30 13:38:11,646 INFO L130 PetriNetUnfolder]: 4/11 cut-off events. [2023-08-30 13:38:11,646 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2023-08-30 13:38:11,646 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 11 events. 4/11 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 5 event pairs, 0 based on Foata normal form. 0/9 useless extension candidates. Maximal degree in co-relation 29. Up to 8 conditions per place. [2023-08-30 13:38:11,646 INFO L137 encePairwiseOnDemand]: 1408/1411 looper letters, 0 selfloop transitions, 0 changer transitions 11/11 dead transitions. [2023-08-30 13:38:11,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 14 places, 11 transitions, 57 flow [2023-08-30 13:38:11,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-08-30 13:38:11,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-08-30 13:38:11,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 2048 transitions. [2023-08-30 13:38:11,652 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.48381762343491613 [2023-08-30 13:38:11,652 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 2048 transitions. [2023-08-30 13:38:11,652 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 2048 transitions. [2023-08-30 13:38:11,653 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-08-30 13:38:11,653 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 2048 transitions. [2023-08-30 13:38:11,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 682.6666666666666) internal successors, (2048), 3 states have internal predecessors, (2048), 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 13:38:11,663 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:11,665 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 1411.0) internal successors, (5644), 4 states have internal predecessors, (5644), 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 13:38:11,665 INFO L175 Difference]: Start difference. First operand has 13 places, 12 transitions, 39 flow. Second operand 3 states and 2048 transitions. [2023-08-30 13:38:11,665 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 14 places, 11 transitions, 57 flow [2023-08-30 13:38:11,665 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 13 places, 11 transitions, 52 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-08-30 13:38:11,666 INFO L231 Difference]: Finished difference. Result has 13 places, 0 transitions, 0 flow [2023-08-30 13:38:11,666 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=1411, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=11, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=13, PETRI_TRANSITIONS=0} [2023-08-30 13:38:11,666 INFO L281 CegarLoopForPetriNet]: 29 programPoint places, -16 predicate places. [2023-08-30 13:38:11,667 INFO L495 AbstractCegarLoop]: Abstraction has has 13 places, 0 transitions, 0 flow [2023-08-30 13:38:11,667 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 681.3333333333334) internal successors, (2044), 3 states have internal predecessors, (2044), 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 13:38:11,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 24 remaining) [2023-08-30 13:38:11,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 24 remaining) [2023-08-30 13:38:11,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 24 remaining) [2023-08-30 13:38:11,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 24 remaining) [2023-08-30 13:38:11,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 24 remaining) [2023-08-30 13:38:11,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 24 remaining) [2023-08-30 13:38:11,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 24 remaining) [2023-08-30 13:38:11,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 24 remaining) [2023-08-30 13:38:11,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 24 remaining) [2023-08-30 13:38:11,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 24 remaining) [2023-08-30 13:38:11,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 24 remaining) [2023-08-30 13:38:11,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 24 remaining) [2023-08-30 13:38:11,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 24 remaining) [2023-08-30 13:38:11,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 24 remaining) [2023-08-30 13:38:11,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 24 remaining) [2023-08-30 13:38:11,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 24 remaining) [2023-08-30 13:38:11,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 24 remaining) [2023-08-30 13:38:11,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 24 remaining) [2023-08-30 13:38:11,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 24 remaining) [2023-08-30 13:38:11,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 24 remaining) [2023-08-30 13:38:11,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 24 remaining) [2023-08-30 13:38:11,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 24 remaining) [2023-08-30 13:38:11,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 24 remaining) [2023-08-30 13:38:11,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 24 remaining) [2023-08-30 13:38:11,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-08-30 13:38:11,674 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2023-08-30 13:38:11,677 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-08-30 13:38:11,677 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-08-30 13:38:11,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 30.08 01:38:11 BasicIcfg [2023-08-30 13:38:11,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-08-30 13:38:11,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-08-30 13:38:11,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2023-08-30 13:38:11,681 INFO L275 PluginConnector]: Witness Printer initialized [2023-08-30 13:38:11,681 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.08 01:29:53" (3/4) ... [2023-08-30 13:38:11,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-08-30 13:38:11,688 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_current [2023-08-30 13:38:11,689 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure whoop_wrapper_pc8736x_gpio_get [2023-08-30 13:38:11,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 94 nodes and edges [2023-08-30 13:38:11,699 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2023-08-30 13:38:11,700 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-08-30 13:38:11,701 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-08-30 13:38:11,783 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2023-08-30 13:38:11,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-08-30 13:38:11,784 INFO L158 Benchmark]: Toolchain (without parser) took 503347.61ms. Allocated memory was 69.2MB in the beginning and 302.0MB in the end (delta: 232.8MB). Free memory was 34.6MB in the beginning and 195.2MB in the end (delta: -160.6MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,784 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-08-30 13:38:11,785 INFO L158 Benchmark]: CACSL2BoogieTranslator took 3778.02ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 34.4MB in the beginning and 56.9MB in the end (delta: -22.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,785 INFO L158 Benchmark]: Boogie Procedure Inliner took 177.92ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 45.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,785 INFO L158 Benchmark]: Boogie Preprocessor took 76.88ms. Allocated memory is still 136.3MB. Free memory was 45.4MB in the beginning and 40.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,786 INFO L158 Benchmark]: RCFGBuilder took 1246.31ms. Allocated memory is still 136.3MB. Free memory was 39.1MB in the beginning and 60.4MB in the end (delta: -21.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,786 INFO L158 Benchmark]: TraceAbstraction took 497957.84ms. Allocated memory was 136.3MB in the beginning and 302.0MB in the end (delta: 165.7MB). Free memory was 59.9MB in the beginning and 204.6MB in the end (delta: -144.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,786 INFO L158 Benchmark]: Witness Printer took 103.43ms. Allocated memory is still 302.0MB. Free memory was 204.6MB in the beginning and 195.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-08-30 13:38:11,788 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 69.2MB. Free memory was 46.2MB in the beginning and 46.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 3778.02ms. Allocated memory was 69.2MB in the beginning and 136.3MB in the end (delta: 67.1MB). Free memory was 34.4MB in the beginning and 56.9MB in the end (delta: -22.5MB). Peak memory consumption was 74.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 177.92ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 45.4MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.88ms. Allocated memory is still 136.3MB. Free memory was 45.4MB in the beginning and 40.1MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1246.31ms. Allocated memory is still 136.3MB. Free memory was 39.1MB in the beginning and 60.4MB in the end (delta: -21.3MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * TraceAbstraction took 497957.84ms. Allocated memory was 136.3MB in the beginning and 302.0MB in the end (delta: 165.7MB). Free memory was 59.9MB in the beginning and 204.6MB in the end (delta: -144.7MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. * Witness Printer took 103.43ms. Allocated memory is still 302.0MB. Free memory was 204.6MB in the beginning and 195.2MB in the end (delta: 9.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 494.0s, 532 PlacesBefore, 29 PlacesAfterwards, 550 TransitionsBefore, 35 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 12 FixpointIterations, 621 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 47 TrivialYvCompositions, 0 ConcurrentYvCompositions, 12 ChoiceCompositions, 680 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6938]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6947]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6900]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 6900]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 760 locations, 24 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 497.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 494.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 104 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 39 mSDsluCounter, 3 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 151 IncrementalHoareTripleChecker+Invalid, 182 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 3 mSDtfsCounter, 151 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=0, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 36 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 1/1 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 22 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-08-30 13:38:11,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE