/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:03:08,228 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:03:08,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:03:08,246 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:03:08,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:03:08,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:03:08,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:03:08,249 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:03:08,250 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:03:08,251 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:03:08,252 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:03:08,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:03:08,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:03:08,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:03:08,254 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:03:08,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:03:08,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:03:08,255 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:03:08,256 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:03:08,257 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:03:08,258 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:03:08,259 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:03:08,260 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:03:08,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:03:08,262 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:03:08,262 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:03:08,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:03:08,263 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:03:08,263 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:03:08,264 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:03:08,264 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:03:08,264 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:03:08,265 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:03:08,265 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:03:08,266 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:03:08,266 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:03:08,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:03:08,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:03:08,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:03:08,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:03:08,267 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:03:08,269 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:03:08,289 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:03:08,289 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:03:08,290 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:03:08,290 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:03:08,291 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:03:08,291 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:03:08,291 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:03:08,291 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:03:08,292 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:03:08,292 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:03:08,292 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:03:08,292 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:03:08,292 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:03:08,292 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:03:08,293 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:03:08,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:03:08,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:03:08,294 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:03:08,294 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:03:08,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:03:08,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:03:08,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:03:08,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:03:08,295 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:03:08,295 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:03:08,295 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:03:08,295 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:03:08,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:03:08,493 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:03:08,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:03:08,495 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:03:08,495 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:03:08,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product12.cil.c [2023-03-31 01:03:09,538 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:03:09,783 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:03:09,783 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c [2023-03-31 01:03:09,802 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f93d622b/f66ef25c4241484ba9ae51f77d97c6ed/FLAG4d8c42107 [2023-03-31 01:03:09,820 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6f93d622b/f66ef25c4241484ba9ae51f77d97c6ed [2023-03-31 01:03:09,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:03:09,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:03:09,825 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:03:09,825 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:03:09,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:03:09,828 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:03:09" (1/1) ... [2023-03-31 01:03:09,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d2dcc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:09, skipping insertion in model container [2023-03-31 01:03:09,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:03:09" (1/1) ... [2023-03-31 01:03:09,834 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:03:09,880 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:03:10,262 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2023-03-31 01:03:10,281 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:03:10,290 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:03:10,344 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product12.cil.c[52000,52013] [2023-03-31 01:03:10,354 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:03:10,409 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:03:10,414 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:03:10,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10 WrapperNode [2023-03-31 01:03:10,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:03:10,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:03:10,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:03:10,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:03:10,422 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,423 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,467 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,495 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,502 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:03:10,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:03:10,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:03:10,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:03:10,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (1/1) ... [2023-03-31 01:03:10,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:03:10,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:10,559 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) [2023-03-31 01:03:10,585 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 [2023-03-31 01:03:10,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:03:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:03:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:03:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:03:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:03:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:03:10,600 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:03:10,601 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:03:10,602 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:03:10,603 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:03:10,604 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:03:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:03:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:03:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:03:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:03:10,605 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:03:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:03:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:03:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:03:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:03:10,606 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:03:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:03:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:03:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:03:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:03:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:03:10,607 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:03:10,608 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:03:10,609 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:03:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:03:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:03:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:03:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:03:10,610 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:03:10,611 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:03:10,612 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:03:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:03:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:03:10,612 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:03:10,613 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:03:10,614 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:03:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:03:10,615 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:03:10,618 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:03:10,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:03:10,624 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:03:10,625 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:03:10,626 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:03:10,627 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:03:10,628 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:03:10,629 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:03:10,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:03:10,895 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:03:10,901 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:03:11,732 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:03:11,740 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:03:11,740 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:03:11,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:03:11 BoogieIcfgContainer [2023-03-31 01:03:11,742 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:03:11,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:03:11,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:03:11,746 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:03:11,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:03:09" (1/3) ... [2023-03-31 01:03:11,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630824ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:03:11, skipping insertion in model container [2023-03-31 01:03:11,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:10" (2/3) ... [2023-03-31 01:03:11,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@630824ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:03:11, skipping insertion in model container [2023-03-31 01:03:11,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:03:11" (3/3) ... [2023-03-31 01:03:11,748 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product12.cil.c [2023-03-31 01:03:11,760 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:03:11,760 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:03:11,794 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:03:11,799 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;@41eea3f4, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:03:11,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:03:11,803 INFO L276 IsEmpty]: Start isEmpty. Operand has 432 states, 276 states have (on average 1.4166666666666667) internal successors, (391), 282 states have internal predecessors, (391), 91 states have call successors, (91), 58 states have call predecessors, (91), 58 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-03-31 01:03:11,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-03-31 01:03:11,816 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:11,817 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:11,817 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:11,821 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:11,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1826082075, now seen corresponding path program 1 times [2023-03-31 01:03:11,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:11,827 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669660527] [2023-03-31 01:03:11,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:11,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:12,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:12,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:12,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:12,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:12,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:12,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:12,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:12,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:12,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:12,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:12,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:12,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:03:13,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:03:13,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 01:03:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:03:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:03:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:03:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:13,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:03:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:03:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 01:03:13,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 01:03:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:13,094 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:03:13,095 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:13,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669660527] [2023-03-31 01:03:13,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669660527] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:13,096 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:13,096 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 01:03:13,097 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [469444673] [2023-03-31 01:03:13,097 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:13,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 01:03:13,102 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:13,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 01:03:13,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:03:13,131 INFO L87 Difference]: Start difference. First operand has 432 states, 276 states have (on average 1.4166666666666667) internal successors, (391), 282 states have internal predecessors, (391), 91 states have call successors, (91), 58 states have call predecessors, (91), 58 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) Second operand has 11 states, 11 states have (on average 8.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:03:18,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:18,753 INFO L93 Difference]: Finished difference Result 887 states and 1310 transitions. [2023-03-31 01:03:18,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 01:03:18,755 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 176 [2023-03-31 01:03:18,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:18,767 INFO L225 Difference]: With dead ends: 887 [2023-03-31 01:03:18,767 INFO L226 Difference]: Without dead ends: 633 [2023-03-31 01:03:18,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2023-03-31 01:03:18,773 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2753 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 1351 mSolverCounterSat, 1300 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2777 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 2651 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1300 IncrementalHoareTripleChecker+Valid, 1351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:18,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2777 Valid, 99 Invalid, 2651 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1300 Valid, 1351 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2023-03-31 01:03:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2023-03-31 01:03:19,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 387. [2023-03-31 01:03:19,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 387 states, 252 states have (on average 1.4325396825396826) internal successors, (361), 255 states have internal predecessors, (361), 82 states have call successors, (82), 56 states have call predecessors, (82), 52 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-03-31 01:03:19,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 520 transitions. [2023-03-31 01:03:19,015 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 520 transitions. Word has length 176 [2023-03-31 01:03:19,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:19,016 INFO L495 AbstractCegarLoop]: Abstraction has 387 states and 520 transitions. [2023-03-31 01:03:19,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.0) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (40), 11 states have call predecessors, (40), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:03:19,016 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 520 transitions. [2023-03-31 01:03:19,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-03-31 01:03:19,019 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:19,019 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:19,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:03:19,020 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:19,020 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:19,020 INFO L85 PathProgramCache]: Analyzing trace with hash -641515248, now seen corresponding path program 1 times [2023-03-31 01:03:19,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:19,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172388803] [2023-03-31 01:03:19,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:19,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:19,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:19,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:19,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:19,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:19,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:19,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:03:19,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:19,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:03:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:03:19,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:03:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:03:19,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:03:19,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:19,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:03:19,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:03:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:03:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:03:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:19,988 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 01:03:19,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172388803] [2023-03-31 01:03:19,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172388803] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:19,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [351886639] [2023-03-31 01:03:19,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:19,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:19,990 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:19,993 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:03:19,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:03:20,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:20,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 2045 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:03:20,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:03:20,386 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:20,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [351886639] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:20,387 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:20,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:03:20,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627836168] [2023-03-31 01:03:20,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:20,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:03:20,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:20,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:03:20,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:20,389 INFO L87 Difference]: Start difference. First operand 387 states and 520 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:03:20,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:20,610 INFO L93 Difference]: Finished difference Result 556 states and 734 transitions. [2023-03-31 01:03:20,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:03:20,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 177 [2023-03-31 01:03:20,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:20,615 INFO L225 Difference]: With dead ends: 556 [2023-03-31 01:03:20,615 INFO L226 Difference]: Without dead ends: 390 [2023-03-31 01:03:20,618 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:20,619 INFO L413 NwaCegarLoop]: 518 mSDtfsCounter, 1 mSDsluCounter, 516 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1034 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:20,619 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1034 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:03:20,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2023-03-31 01:03:20,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 389. [2023-03-31 01:03:20,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 389 states, 254 states have (on average 1.4291338582677164) internal successors, (363), 257 states have internal predecessors, (363), 82 states have call successors, (82), 56 states have call predecessors, (82), 52 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-03-31 01:03:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 522 transitions. [2023-03-31 01:03:20,801 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 522 transitions. Word has length 177 [2023-03-31 01:03:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:20,802 INFO L495 AbstractCegarLoop]: Abstraction has 389 states and 522 transitions. [2023-03-31 01:03:20,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:03:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 522 transitions. [2023-03-31 01:03:20,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-03-31 01:03:20,804 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:20,804 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:20,812 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:03:21,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:21,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:21,011 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:21,011 INFO L85 PathProgramCache]: Analyzing trace with hash 774586148, now seen corresponding path program 1 times [2023-03-31 01:03:21,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:21,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062956643] [2023-03-31 01:03:21,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:21,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:21,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:21,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:21,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:21,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:03:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:03:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:03:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:03:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:03:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:03:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:03:21,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:03:21,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 01:03:21,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 01:03:21,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:21,963 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:03:21,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:21,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062956643] [2023-03-31 01:03:21,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2062956643] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:21,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595261138] [2023-03-31 01:03:21,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:21,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:21,967 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:21,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:03:21,988 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:03:22,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:22,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 2057 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:03:22,340 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:03:22,390 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:22,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595261138] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:22,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:22,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:03:22,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034323222] [2023-03-31 01:03:22,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:22,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:03:22,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:22,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:03:22,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:22,393 INFO L87 Difference]: Start difference. First operand 389 states and 522 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:03:22,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:22,612 INFO L93 Difference]: Finished difference Result 752 states and 1039 transitions. [2023-03-31 01:03:22,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:03:22,612 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 183 [2023-03-31 01:03:22,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:22,614 INFO L225 Difference]: With dead ends: 752 [2023-03-31 01:03:22,614 INFO L226 Difference]: Without dead ends: 428 [2023-03-31 01:03:22,615 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:22,616 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 51 mSDsluCounter, 513 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1038 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:22,616 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1038 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:03:22,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2023-03-31 01:03:22,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 427. [2023-03-31 01:03:22,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 285 states have (on average 1.456140350877193) internal successors, (415), 288 states have internal predecessors, (415), 89 states have call successors, (89), 56 states have call predecessors, (89), 52 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-03-31 01:03:22,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 588 transitions. [2023-03-31 01:03:22,802 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 588 transitions. Word has length 183 [2023-03-31 01:03:22,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:22,803 INFO L495 AbstractCegarLoop]: Abstraction has 427 states and 588 transitions. [2023-03-31 01:03:22,803 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-03-31 01:03:22,803 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 588 transitions. [2023-03-31 01:03:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-03-31 01:03:22,805 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:22,805 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:22,812 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-31 01:03:23,012 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 01:03:23,013 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:23,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:23,013 INFO L85 PathProgramCache]: Analyzing trace with hash 347378417, now seen corresponding path program 1 times [2023-03-31 01:03:23,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:23,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168025766] [2023-03-31 01:03:23,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:23,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:23,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:23,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:23,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:03:23,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:03:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:03:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:03:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:03:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:03:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:23,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:03:23,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:03:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 01:03:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 01:03:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:03:23,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:23,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168025766] [2023-03-31 01:03:23,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168025766] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:23,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [765354655] [2023-03-31 01:03:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:23,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:23,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:23,829 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:03:23,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:03:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:24,188 INFO L262 TraceCheckSpWp]: Trace formula consists of 2062 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:03:24,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:24,371 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:03:24,371 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:24,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [765354655] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:24,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:24,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-03-31 01:03:24,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59787590] [2023-03-31 01:03:24,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:24,372 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:03:24,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:24,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:03:24,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:03:24,374 INFO L87 Difference]: Start difference. First operand 427 states and 588 transitions. Second operand has 9 states, 7 states have (on average 15.285714285714286) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:03:25,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:25,046 INFO L93 Difference]: Finished difference Result 832 states and 1156 transitions. [2023-03-31 01:03:25,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:03:25,046 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.285714285714286) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 184 [2023-03-31 01:03:25,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:25,048 INFO L225 Difference]: With dead ends: 832 [2023-03-31 01:03:25,048 INFO L226 Difference]: Without dead ends: 441 [2023-03-31 01:03:25,049 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:03:25,050 INFO L413 NwaCegarLoop]: 525 mSDtfsCounter, 477 mSDsluCounter, 2258 mSDsCounter, 0 mSdLazyCounter, 905 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 485 SdHoareTripleChecker+Valid, 2783 SdHoareTripleChecker+Invalid, 908 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 905 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:25,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [485 Valid, 2783 Invalid, 908 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 905 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:03:25,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2023-03-31 01:03:25,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2023-03-31 01:03:25,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 296 states have (on average 1.4594594594594594) internal successors, (432), 300 states have internal predecessors, (432), 89 states have call successors, (89), 58 states have call predecessors, (89), 55 states have return successors, (85), 84 states have call predecessors, (85), 84 states have call successors, (85) [2023-03-31 01:03:25,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 606 transitions. [2023-03-31 01:03:25,278 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 606 transitions. Word has length 184 [2023-03-31 01:03:25,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:25,278 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 606 transitions. [2023-03-31 01:03:25,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.285714285714286) internal successors, (107), 9 states have internal predecessors, (107), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:03:25,278 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 606 transitions. [2023-03-31 01:03:25,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-03-31 01:03:25,280 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:25,280 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:25,288 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:03:25,484 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:25,484 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:25,484 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:25,485 INFO L85 PathProgramCache]: Analyzing trace with hash -980088406, now seen corresponding path program 1 times [2023-03-31 01:03:25,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:25,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964638024] [2023-03-31 01:03:25,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:25,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:26,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:26,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:03:26,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:03:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:26,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:03:26,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 01:03:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:03:26,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:03:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:03:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:03:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:03:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:03:26,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:03:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:03:26,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:26,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964638024] [2023-03-31 01:03:26,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964638024] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:26,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1766981579] [2023-03-31 01:03:26,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:26,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:26,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:26,361 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:03:26,389 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:03:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:26,751 INFO L262 TraceCheckSpWp]: Trace formula consists of 2063 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:03:26,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:26,868 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:03:26,868 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:26,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1766981579] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:26,869 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:26,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-03-31 01:03:26,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922948766] [2023-03-31 01:03:26,869 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:26,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:03:26,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:26,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:03:26,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 01:03:26,870 INFO L87 Difference]: Start difference. First operand 441 states and 606 transitions. Second operand has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 states have internal predecessors, (108), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 01:03:27,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:27,417 INFO L93 Difference]: Finished difference Result 833 states and 1160 transitions. [2023-03-31 01:03:27,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:03:27,418 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 states have internal predecessors, (108), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 185 [2023-03-31 01:03:27,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:27,420 INFO L225 Difference]: With dead ends: 833 [2023-03-31 01:03:27,420 INFO L226 Difference]: Without dead ends: 443 [2023-03-31 01:03:27,421 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:03:27,421 INFO L413 NwaCegarLoop]: 524 mSDtfsCounter, 471 mSDsluCounter, 1487 mSDsCounter, 0 mSdLazyCounter, 608 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 2011 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 608 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:27,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 2011 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 608 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:03:27,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 443 states. [2023-03-31 01:03:27,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 443 to 443. [2023-03-31 01:03:27,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 443 states, 297 states have (on average 1.4579124579124578) internal successors, (433), 302 states have internal predecessors, (433), 89 states have call successors, (89), 58 states have call predecessors, (89), 56 states have return successors, (87), 84 states have call predecessors, (87), 84 states have call successors, (87) [2023-03-31 01:03:27,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 609 transitions. [2023-03-31 01:03:27,613 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 609 transitions. Word has length 185 [2023-03-31 01:03:27,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:27,613 INFO L495 AbstractCegarLoop]: Abstraction has 443 states and 609 transitions. [2023-03-31 01:03:27,613 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.0) internal successors, (108), 7 states have internal predecessors, (108), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-03-31 01:03:27,613 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 609 transitions. [2023-03-31 01:03:27,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-03-31 01:03:27,615 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:27,615 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:27,627 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:03:27,822 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:27,823 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:27,823 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:27,823 INFO L85 PathProgramCache]: Analyzing trace with hash 1280920941, now seen corresponding path program 1 times [2023-03-31 01:03:27,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:27,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508323459] [2023-03-31 01:03:27,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:27,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:27,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:28,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:28,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:28,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:03:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:03:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:03:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:03:28,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:03:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:03:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:03:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:28,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:03:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:03:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:03:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 01:03:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:28,630 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:03:28,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:28,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508323459] [2023-03-31 01:03:28,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508323459] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:28,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:28,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:03:28,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496408132] [2023-03-31 01:03:28,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:28,631 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:03:28,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:28,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:03:28,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:03:28,632 INFO L87 Difference]: Start difference. First operand 443 states and 609 transitions. Second operand has 18 states, 15 states have (on average 6.8) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:03:37,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:37,852 INFO L93 Difference]: Finished difference Result 1169 states and 1744 transitions. [2023-03-31 01:03:37,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 01:03:37,853 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.8) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 186 [2023-03-31 01:03:37,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:37,856 INFO L225 Difference]: With dead ends: 1169 [2023-03-31 01:03:37,856 INFO L226 Difference]: Without dead ends: 785 [2023-03-31 01:03:37,858 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-03-31 01:03:37,858 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2640 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 5773 mSolverCounterSat, 1290 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2643 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 7063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1290 IncrementalHoareTripleChecker+Valid, 5773 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:37,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2643 Valid, 79 Invalid, 7063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1290 Valid, 5773 Invalid, 0 Unknown, 0 Unchecked, 5.9s Time] [2023-03-31 01:03:37,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2023-03-31 01:03:38,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 453. [2023-03-31 01:03:38,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 306 states have (on average 1.4542483660130718) internal successors, (445), 310 states have internal predecessors, (445), 89 states have call successors, (89), 60 states have call predecessors, (89), 57 states have return successors, (86), 84 states have call predecessors, (86), 84 states have call successors, (86) [2023-03-31 01:03:38,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 620 transitions. [2023-03-31 01:03:38,075 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 620 transitions. Word has length 186 [2023-03-31 01:03:38,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:38,076 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 620 transitions. [2023-03-31 01:03:38,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.8) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:03:38,076 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 620 transitions. [2023-03-31 01:03:38,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-03-31 01:03:38,078 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:38,078 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:38,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:03:38,078 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:38,078 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:38,078 INFO L85 PathProgramCache]: Analyzing trace with hash -518742948, now seen corresponding path program 2 times [2023-03-31 01:03:38,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:38,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775241264] [2023-03-31 01:03:38,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:38,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:38,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:03:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:03:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:03:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:03:38,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:03:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:03:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:03:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:03:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 01:03:38,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:03:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-03-31 01:03:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:03:38,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:38,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775241264] [2023-03-31 01:03:38,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775241264] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:38,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:38,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:03:38,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032332160] [2023-03-31 01:03:38,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:38,896 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:03:38,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:38,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:03:38,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:38,896 INFO L87 Difference]: Start difference. First operand 453 states and 620 transitions. Second operand has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-03-31 01:03:48,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:48,318 INFO L93 Difference]: Finished difference Result 1171 states and 1749 transitions. [2023-03-31 01:03:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-31 01:03:48,319 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 187 [2023-03-31 01:03:48,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:48,322 INFO L225 Difference]: With dead ends: 1171 [2023-03-31 01:03:48,322 INFO L226 Difference]: Without dead ends: 798 [2023-03-31 01:03:48,324 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 595 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-03-31 01:03:48,324 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2085 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 6702 mSolverCounterSat, 1006 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2088 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 7708 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1006 IncrementalHoareTripleChecker+Valid, 6702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.8s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:48,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2088 Valid, 90 Invalid, 7708 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1006 Valid, 6702 Invalid, 0 Unknown, 0 Unchecked, 5.8s Time] [2023-03-31 01:03:48,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-03-31 01:03:48,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 458. [2023-03-31 01:03:48,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 308 states have (on average 1.4512987012987013) internal successors, (447), 313 states have internal predecessors, (447), 90 states have call successors, (90), 60 states have call predecessors, (90), 59 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2023-03-31 01:03:48,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 626 transitions. [2023-03-31 01:03:48,553 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 626 transitions. Word has length 187 [2023-03-31 01:03:48,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:48,554 INFO L495 AbstractCegarLoop]: Abstraction has 458 states and 626 transitions. [2023-03-31 01:03:48,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.625) internal successors, (106), 9 states have internal predecessors, (106), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-03-31 01:03:48,554 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 626 transitions. [2023-03-31 01:03:48,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 01:03:48,556 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:48,556 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:48,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:03:48,556 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:48,556 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:48,556 INFO L85 PathProgramCache]: Analyzing trace with hash 744654003, now seen corresponding path program 3 times [2023-03-31 01:03:48,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:48,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578145901] [2023-03-31 01:03:48,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:48,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:49,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:49,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:03:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:03:49,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:49,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:03:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:03:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:03:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:03:49,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:03:49,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:03:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 01:03:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:03:49,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 01:03:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,375 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-03-31 01:03:49,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:49,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578145901] [2023-03-31 01:03:49,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578145901] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:49,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:49,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:03:49,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753956515] [2023-03-31 01:03:49,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:49,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:03:49,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:49,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:03:49,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:03:49,376 INFO L87 Difference]: Start difference. First operand 458 states and 626 transitions. Second operand has 18 states, 15 states have (on average 6.866666666666666) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:03:58,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:58,221 INFO L93 Difference]: Finished difference Result 1167 states and 1740 transitions. [2023-03-31 01:03:58,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 01:03:58,222 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.866666666666666) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 188 [2023-03-31 01:03:58,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:58,234 INFO L225 Difference]: With dead ends: 1167 [2023-03-31 01:03:58,234 INFO L226 Difference]: Without dead ends: 787 [2023-03-31 01:03:58,236 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-03-31 01:03:58,237 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2680 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5931 mSolverCounterSat, 1245 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2683 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 7176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1245 IncrementalHoareTripleChecker+Valid, 5931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:58,237 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2683 Valid, 77 Invalid, 7176 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1245 Valid, 5931 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-03-31 01:03:58,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2023-03-31 01:03:58,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 453. [2023-03-31 01:03:58,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 453 states, 306 states have (on average 1.4509803921568627) internal successors, (444), 310 states have internal predecessors, (444), 89 states have call successors, (89), 60 states have call predecessors, (89), 57 states have return successors, (86), 84 states have call predecessors, (86), 84 states have call successors, (86) [2023-03-31 01:03:58,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 619 transitions. [2023-03-31 01:03:58,465 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 619 transitions. Word has length 188 [2023-03-31 01:03:58,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:58,465 INFO L495 AbstractCegarLoop]: Abstraction has 453 states and 619 transitions. [2023-03-31 01:03:58,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.866666666666666) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-03-31 01:03:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 619 transitions. [2023-03-31 01:03:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-03-31 01:03:58,467 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:58,468 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:58,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 01:03:58,468 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:58,468 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:58,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1057853016, now seen corresponding path program 1 times [2023-03-31 01:03:58,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:58,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618162166] [2023-03-31 01:03:58,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:58,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:58,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:58,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:58,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:58,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:58,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:58,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:58,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:58,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:58,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:58,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:03:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:59,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:03:59,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:03:59,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:03:59,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:03:59,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:03:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:03:59,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:59,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:03:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 01:03:59,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:03:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 01:03:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:03:59,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:59,256 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618162166] [2023-03-31 01:03:59,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618162166] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:59,256 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:59,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:03:59,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847688242] [2023-03-31 01:03:59,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:59,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:03:59,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:59,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:03:59,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:59,258 INFO L87 Difference]: Start difference. First operand 453 states and 619 transitions. Second operand has 19 states, 16 states have (on average 6.6875) internal successors, (107), 9 states have internal predecessors, (107), 5 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30)