/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_spec0_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:55:44,951 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:55:44,952 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:55:44,982 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:55:44,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:55:44,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:55:44,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:55:44,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:55:44,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:55:44,993 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:55:44,994 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:55:44,995 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:55:44,996 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:55:44,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:55:44,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:55:44,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:55:44,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:55:45,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:55:45,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:55:45,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:55:45,005 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:55:45,006 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:55:45,007 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:55:45,008 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:55:45,013 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:55:45,014 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:55:45,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:55:45,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:55:45,015 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:55:45,015 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:55:45,016 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:55:45,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:55:45,017 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:55:45,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:55:45,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:55:45,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:55:45,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:55:45,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:55:45,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:55:45,019 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:55:45,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:55:45,020 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 00:55:45,041 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:55:45,041 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:55:45,041 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:55:45,042 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:55:45,042 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:55:45,043 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:55:45,043 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:55:45,043 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:55:45,044 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:55:45,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:55:45,044 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:55:45,044 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:55:45,044 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:55:45,044 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:55:45,045 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:55:45,045 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:55:45,046 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:55:45,046 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:55:45,047 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:55:45,047 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:55:45,047 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:55:45,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:55:45,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:55:45,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:55:45,276 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:55:45,276 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:55:45,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2023-03-31 00:55:46,260 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:55:46,484 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:55:46,485 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product22.cil.c [2023-03-31 00:55:46,503 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84a2882b/ae704dfd44914fabbf2dd05cf3ab6e8f/FLAG0b74a019e [2023-03-31 00:55:46,516 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c84a2882b/ae704dfd44914fabbf2dd05cf3ab6e8f [2023-03-31 00:55:46,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:55:46,520 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:55:46,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:55:46,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:55:46,525 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:55:46,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:55:46" (1/1) ... [2023-03-31 00:55:46,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d09b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:46, skipping insertion in model container [2023-03-31 00:55:46,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:55:46" (1/1) ... [2023-03-31 00:55:46,532 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:55:46,583 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:55:46,761 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_spec0_product22.cil.c[4724,4737] [2023-03-31 00:55:46,935 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:55:46,944 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:55:46,956 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_spec0_product22.cil.c[4724,4737] [2023-03-31 00:55:47,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:55:47,092 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:55:47,097 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:55:47,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47 WrapperNode [2023-03-31 00:55:47,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:55:47,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:55:47,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:55:47,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:55:47,108 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,136 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,136 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,186 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,212 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,234 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:55:47,235 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:55:47,235 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:55:47,235 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:55:47,236 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (1/1) ... [2023-03-31 00:55:47,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:55:47,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:47,262 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 00:55:47,271 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 00:55:47,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:55:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:55:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:55:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:55:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:55:47,302 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:55:47,303 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:55:47,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 00:55:47,305 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-03-31 00:55:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 00:55:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:55:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:55:47,306 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:55:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:55:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:55:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:55:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:55:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:55:47,307 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:55:47,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:55:47,309 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:55:47,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:55:47,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:55:47,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:55:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:55:47,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:55:47,313 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:55:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:55:47,314 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:55:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:55:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:55:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:55:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:55:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:55:47,315 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:55:47,318 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:55:47,321 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:55:47,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:55:47,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:55:47,324 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:55:47,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:55:47,326 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:55:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:55:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:55:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:55:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:55:47,327 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:55:47,546 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:55:47,549 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:55:48,403 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:55:48,418 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:55:48,418 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:55:48,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:55:48 BoogieIcfgContainer [2023-03-31 00:55:48,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:55:48,424 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:55:48,424 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:55:48,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:55:48,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:55:46" (1/3) ... [2023-03-31 00:55:48,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680e1f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:55:48, skipping insertion in model container [2023-03-31 00:55:48,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:55:47" (2/3) ... [2023-03-31 00:55:48,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680e1f96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:55:48, skipping insertion in model container [2023-03-31 00:55:48,430 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:55:48" (3/3) ... [2023-03-31 00:55:48,437 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product22.cil.c [2023-03-31 00:55:48,449 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:55:48,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:55:48,504 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:55:48,509 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;@45861ca7, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:55:48,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:55:48,516 INFO L276 IsEmpty]: Start isEmpty. Operand has 505 states, 321 states have (on average 1.411214953271028) internal successors, (453), 329 states have internal predecessors, (453), 107 states have call successors, (107), 72 states have call predecessors, (107), 72 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 00:55:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-03-31 00:55:48,538 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:48,539 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1] [2023-03-31 00:55:48,540 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:48,543 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:48,543 INFO L85 PathProgramCache]: Analyzing trace with hash -742433691, now seen corresponding path program 1 times [2023-03-31 00:55:48,559 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:48,559 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046758843] [2023-03-31 00:55:48,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:48,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:49,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:49,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:49,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:55:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:49,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:55:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:55:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 00:55:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:55:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:55:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:55:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:55:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:55:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:55:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 00:55:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-03-31 00:55:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:49,870 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 00:55:49,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:49,870 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046758843] [2023-03-31 00:55:49,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046758843] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:49,871 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:55:49,871 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 00:55:49,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904663809] [2023-03-31 00:55:49,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:49,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 00:55:49,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:49,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 00:55:49,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2023-03-31 00:55:49,901 INFO L87 Difference]: Start difference. First operand has 505 states, 321 states have (on average 1.411214953271028) internal successors, (453), 329 states have internal predecessors, (453), 107 states have call successors, (107), 72 states have call predecessors, (107), 72 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) Second operand has 11 states, 11 states have (on average 9.0) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (46), 11 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:55:57,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:57,283 INFO L93 Difference]: Finished difference Result 1192 states and 1783 transitions. [2023-03-31 00:55:57,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-03-31 00:55:57,285 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (46), 11 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 200 [2023-03-31 00:55:57,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:57,298 INFO L225 Difference]: With dead ends: 1192 [2023-03-31 00:55:57,299 INFO L226 Difference]: Without dead ends: 825 [2023-03-31 00:55:57,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=283, Invalid=709, Unknown=0, NotChecked=0, Total=992 [2023-03-31 00:55:57,311 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 2318 mSDsluCounter, 131 mSDsCounter, 0 mSdLazyCounter, 1974 mSolverCounterSat, 1198 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2358 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 3172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1198 IncrementalHoareTripleChecker+Valid, 1974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:55:57,312 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2358 Valid, 143 Invalid, 3172 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1198 Valid, 1974 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2023-03-31 00:55:57,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2023-03-31 00:55:57,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 482. [2023-03-31 00:55:57,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 310 states have (on average 1.4096774193548387) internal successors, (437), 315 states have internal predecessors, (437), 103 states have call successors, (103), 72 states have call predecessors, (103), 68 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 00:55:57,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 638 transitions. [2023-03-31 00:55:57,675 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 638 transitions. Word has length 200 [2023-03-31 00:55:57,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:57,675 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 638 transitions. [2023-03-31 00:55:57,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 9.0) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (46), 11 states have call predecessors, (46), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:55:57,676 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 638 transitions. [2023-03-31 00:55:57,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-03-31 00:55:57,681 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:57,681 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:55:57,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:55:57,681 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:57,682 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:57,682 INFO L85 PathProgramCache]: Analyzing trace with hash 679894393, now seen corresponding path program 1 times [2023-03-31 00:55:57,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:57,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162264359] [2023-03-31 00:55:57,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:57,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:55:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:55:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:55:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:55:58,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:58,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:55:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:55:58,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:55:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:55:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:55:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:55:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:55:58,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:55:58,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:55:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:55:58,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:55:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:55:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:55:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:55:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 00:55:58,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:55:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:55:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-03-31 00:55:58,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:55:58,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162264359] [2023-03-31 00:55:58,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162264359] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:55:58,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614451037] [2023-03-31 00:55:58,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:58,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:55:58,759 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:55:58,761 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 00:55:58,785 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 00:55:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:55:59,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 2298 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:55:59,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:55:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 00:55:59,270 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:55:59,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614451037] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:55:59,272 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:55:59,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:55:59,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554426700] [2023-03-31 00:55:59,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:55:59,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:55:59,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:55:59,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:55:59,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:55:59,276 INFO L87 Difference]: Start difference. First operand 482 states and 638 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:55:59,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:55:59,526 INFO L93 Difference]: Finished difference Result 724 states and 942 transitions. [2023-03-31 00:55:59,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:55:59,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 201 [2023-03-31 00:55:59,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:55:59,531 INFO L225 Difference]: With dead ends: 724 [2023-03-31 00:55:59,531 INFO L226 Difference]: Without dead ends: 485 [2023-03-31 00:55:59,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:55:59,533 INFO L413 NwaCegarLoop]: 636 mSDtfsCounter, 1 mSDsluCounter, 634 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1270 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 00:55:59,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1270 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:55:59,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 485 states. [2023-03-31 00:55:59,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 485 to 484. [2023-03-31 00:55:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 312 states have (on average 1.4070512820512822) internal successors, (439), 317 states have internal predecessors, (439), 103 states have call successors, (103), 72 states have call predecessors, (103), 68 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-03-31 00:55:59,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 640 transitions. [2023-03-31 00:55:59,758 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 640 transitions. Word has length 201 [2023-03-31 00:55:59,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:55:59,760 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 640 transitions. [2023-03-31 00:55:59,760 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:55:59,760 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 640 transitions. [2023-03-31 00:55:59,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-03-31 00:55:59,763 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:55:59,763 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:55:59,774 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 00:55:59,971 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 00:55:59,971 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:55:59,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:55:59,971 INFO L85 PathProgramCache]: Analyzing trace with hash -1292123606, now seen corresponding path program 1 times [2023-03-31 00:55:59,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:55:59,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814074692] [2023-03-31 00:55:59,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:55:59,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:00,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:00,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:00,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:56:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:56:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:56:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:56:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:56:00,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:56:00,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:56:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 00:56:00,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:00,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 00:56:00,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-03-31 00:56:00,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-03-31 00:56:00,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:00,910 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-03-31 00:56:00,910 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814074692] [2023-03-31 00:56:00,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814074692] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [502470146] [2023-03-31 00:56:00,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:00,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:00,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:00,911 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 00:56:00,914 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 00:56:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:01,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 2311 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:56:01,313 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 00:56:01,340 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:01,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [502470146] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:01,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:01,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:56:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101342864] [2023-03-31 00:56:01,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:01,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:56:01,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:01,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:56:01,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:01,342 INFO L87 Difference]: Start difference. First operand 484 states and 640 transitions. Second operand has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:56:01,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:01,616 INFO L93 Difference]: Finished difference Result 946 states and 1281 transitions. [2023-03-31 00:56:01,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:56:01,616 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 213 [2023-03-31 00:56:01,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:01,620 INFO L225 Difference]: With dead ends: 946 [2023-03-31 00:56:01,620 INFO L226 Difference]: Without dead ends: 527 [2023-03-31 00:56:01,621 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 270 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:01,623 INFO L413 NwaCegarLoop]: 649 mSDtfsCounter, 53 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1280 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 00:56:01,624 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1280 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:56:01,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2023-03-31 00:56:01,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 526. [2023-03-31 00:56:01,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 526 states, 345 states have (on average 1.4289855072463769) internal successors, (493), 350 states have internal predecessors, (493), 112 states have call successors, (112), 72 states have call predecessors, (112), 68 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 00:56:01,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 712 transitions. [2023-03-31 00:56:01,882 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 712 transitions. Word has length 213 [2023-03-31 00:56:01,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:01,883 INFO L495 AbstractCegarLoop]: Abstraction has 526 states and 712 transitions. [2023-03-31 00:56:01,884 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.333333333333336) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:56:01,884 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 712 transitions. [2023-03-31 00:56:01,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2023-03-31 00:56:01,889 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:01,890 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:56:01,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:56:02,097 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 00:56:02,098 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:02,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:02,098 INFO L85 PathProgramCache]: Analyzing trace with hash -898613384, now seen corresponding path program 1 times [2023-03-31 00:56:02,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:02,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178139623] [2023-03-31 00:56:02,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:02,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:02,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,706 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:02,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:02,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:02,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:02,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:56:02,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:02,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:56:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:56:02,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:56:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:56:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:56:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:02,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:56:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 00:56:03,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:03,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 00:56:03,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-03-31 00:56:03,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-03-31 00:56:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:03,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,029 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-03-31 00:56:03,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178139623] [2023-03-31 00:56:03,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178139623] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:03,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052073126] [2023-03-31 00:56:03,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:03,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:03,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:03,031 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 00:56:03,033 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 00:56:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:03,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 2316 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:56:03,429 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:03,455 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 00:56:03,455 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:03,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052073126] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:03,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:03,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 00:56:03,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64071464] [2023-03-31 00:56:03,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:03,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:56:03,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:03,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:56:03,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:03,458 INFO L87 Difference]: Start difference. First operand 526 states and 712 transitions. Second operand has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:56:03,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:03,776 INFO L93 Difference]: Finished difference Result 1069 states and 1492 transitions. [2023-03-31 00:56:03,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:56:03,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 214 [2023-03-31 00:56:03,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:03,780 INFO L225 Difference]: With dead ends: 1069 [2023-03-31 00:56:03,780 INFO L226 Difference]: Without dead ends: 608 [2023-03-31 00:56:03,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 271 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:03,783 INFO L413 NwaCegarLoop]: 641 mSDtfsCounter, 51 mSDsluCounter, 631 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1272 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 00:56:03,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1272 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:56:03,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-03-31 00:56:04,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 607. [2023-03-31 00:56:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 607 states, 409 states have (on average 1.4596577017114913) internal successors, (597), 414 states have internal predecessors, (597), 129 states have call successors, (129), 72 states have call predecessors, (129), 68 states have return successors, (124), 124 states have call predecessors, (124), 124 states have call successors, (124) [2023-03-31 00:56:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 850 transitions. [2023-03-31 00:56:04,058 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 850 transitions. Word has length 214 [2023-03-31 00:56:04,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:04,058 INFO L495 AbstractCegarLoop]: Abstraction has 607 states and 850 transitions. [2023-03-31 00:56:04,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 37.666666666666664) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2023-03-31 00:56:04,058 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 850 transitions. [2023-03-31 00:56:04,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-03-31 00:56:04,061 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:04,061 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 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, 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 00:56:04,070 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 00:56:04,273 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 00:56:04,273 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:04,273 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:04,273 INFO L85 PathProgramCache]: Analyzing trace with hash -675323010, now seen corresponding path program 1 times [2023-03-31 00:56:04,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:04,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630608476] [2023-03-31 00:56:04,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:04,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:04,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:04,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:04,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:04,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:04,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:04,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:04,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:05,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:56:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 00:56:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:05,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:56:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:05,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:56:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:56:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:56:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:56:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:56:05,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 00:56:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 00:56:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 00:56:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-03-31 00:56:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-03-31 00:56:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:05,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,167 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:05,167 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:05,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630608476] [2023-03-31 00:56:05,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630608476] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:05,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [769381063] [2023-03-31 00:56:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:05,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:05,168 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:05,169 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 00:56:05,171 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 00:56:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:05,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 2356 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:56:05,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 00:56:05,720 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:05,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [769381063] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:05,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:05,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-03-31 00:56:05,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853637723] [2023-03-31 00:56:05,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:05,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:56:05,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:05,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:56:05,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:56:05,722 INFO L87 Difference]: Start difference. First operand 607 states and 850 transitions. Second operand has 9 states, 7 states have (on average 17.571428571428573) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-03-31 00:56:06,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:06,653 INFO L93 Difference]: Finished difference Result 1192 states and 1680 transitions. [2023-03-31 00:56:06,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:56:06,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 17.571428571428573) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 217 [2023-03-31 00:56:06,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:06,656 INFO L225 Difference]: With dead ends: 1192 [2023-03-31 00:56:06,656 INFO L226 Difference]: Without dead ends: 621 [2023-03-31 00:56:06,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2023-03-31 00:56:06,658 INFO L413 NwaCegarLoop]: 643 mSDtfsCounter, 594 mSDsluCounter, 2759 mSDsCounter, 0 mSdLazyCounter, 1160 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 3402 SdHoareTripleChecker+Invalid, 1163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:06,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 3402 Invalid, 1163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1160 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:56:06,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 621 states. [2023-03-31 00:56:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 621 to 621. [2023-03-31 00:56:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 420 states have (on average 1.4619047619047618) internal successors, (614), 426 states have internal predecessors, (614), 129 states have call successors, (129), 74 states have call predecessors, (129), 71 states have return successors, (125), 124 states have call predecessors, (125), 124 states have call successors, (125) [2023-03-31 00:56:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 868 transitions. [2023-03-31 00:56:06,969 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 868 transitions. Word has length 217 [2023-03-31 00:56:06,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:06,969 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 868 transitions. [2023-03-31 00:56:06,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 17.571428571428573) internal successors, (123), 9 states have internal predecessors, (123), 6 states have call successors, (48), 3 states have call predecessors, (48), 6 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-03-31 00:56:06,970 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 868 transitions. [2023-03-31 00:56:06,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-03-31 00:56:06,972 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:06,972 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 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 00:56:06,982 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 00:56:07,180 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 00:56:07,181 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:07,181 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:07,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1071197209, now seen corresponding path program 1 times [2023-03-31 00:56:07,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:07,181 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280689330] [2023-03-31 00:56:07,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:07,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:07,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:07,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:56:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:07,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 00:56:07,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:07,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:07,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:56:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:56:08,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:56:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:56:08,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:56:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 00:56:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:56:08,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-03-31 00:56:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 00:56:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-03-31 00:56:08,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-03-31 00:56:08,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:08,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,072 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 00:56:08,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:08,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280689330] [2023-03-31 00:56:08,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280689330] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:56:08,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698931736] [2023-03-31 00:56:08,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:08,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:08,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:56:08,074 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:56:08,076 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 00:56:08,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:08,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 2357 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:56:08,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:56:08,561 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 00:56:08,561 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:56:08,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698931736] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:08,562 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:56:08,562 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-03-31 00:56:08,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882255766] [2023-03-31 00:56:08,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:08,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:56:08,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:08,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:56:08,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:56:08,563 INFO L87 Difference]: Start difference. First operand 621 states and 868 transitions. Second operand has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-03-31 00:56:09,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:09,399 INFO L93 Difference]: Finished difference Result 1193 states and 1686 transitions. [2023-03-31 00:56:09,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:56:09,400 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) Word has length 218 [2023-03-31 00:56:09,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:09,402 INFO L225 Difference]: With dead ends: 1193 [2023-03-31 00:56:09,402 INFO L226 Difference]: Without dead ends: 623 [2023-03-31 00:56:09,404 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 300 GetRequests, 276 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:56:09,405 INFO L413 NwaCegarLoop]: 642 mSDtfsCounter, 594 mSDsluCounter, 1797 mSDsCounter, 0 mSdLazyCounter, 770 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 602 SdHoareTripleChecker+Valid, 2439 SdHoareTripleChecker+Invalid, 771 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 770 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:09,405 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [602 Valid, 2439 Invalid, 771 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 770 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:56:09,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2023-03-31 00:56:09,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 623. [2023-03-31 00:56:09,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 421 states have (on average 1.4608076009501187) internal successors, (615), 428 states have internal predecessors, (615), 129 states have call successors, (129), 74 states have call predecessors, (129), 72 states have return successors, (127), 124 states have call predecessors, (127), 124 states have call successors, (127) [2023-03-31 00:56:09,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 871 transitions. [2023-03-31 00:56:09,693 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 871 transitions. Word has length 218 [2023-03-31 00:56:09,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:09,693 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 871 transitions. [2023-03-31 00:56:09,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.666666666666668) internal successors, (124), 7 states have internal predecessors, (124), 4 states have call successors, (48), 3 states have call predecessors, (48), 5 states have return successors, (36), 5 states have call predecessors, (36), 4 states have call successors, (36) [2023-03-31 00:56:09,693 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 871 transitions. [2023-03-31 00:56:09,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-03-31 00:56:09,695 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:09,696 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 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 00:56:09,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 00:56:09,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:56:09,904 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:09,904 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:09,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1423104541, now seen corresponding path program 1 times [2023-03-31 00:56:09,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:09,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231853864] [2023-03-31 00:56:09,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:09,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:10,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:10,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:10,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:10,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:56:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:10,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 00:56:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:56:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:10,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:56:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:56:10,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 00:56:10,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:56:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 00:56:10,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:56:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-03-31 00:56:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:10,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 00:56:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-03-31 00:56:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-03-31 00:56:10,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:10,822 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 00:56:10,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:10,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231853864] [2023-03-31 00:56:10,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231853864] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:10,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:10,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:56:10,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557827265] [2023-03-31 00:56:10,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:10,823 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:56:10,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:10,824 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:56:10,824 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:10,824 INFO L87 Difference]: Start difference. First operand 623 states and 871 transitions. Second operand has 19 states, 16 states have (on average 7.375) internal successors, (118), 9 states have internal predecessors, (118), 7 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2023-03-31 00:56:22,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:22,670 INFO L93 Difference]: Finished difference Result 2134 states and 3415 transitions. [2023-03-31 00:56:22,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 00:56:22,670 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.375) internal successors, (118), 9 states have internal predecessors, (118), 7 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) Word has length 219 [2023-03-31 00:56:22,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:22,677 INFO L225 Difference]: With dead ends: 2134 [2023-03-31 00:56:22,677 INFO L226 Difference]: Without dead ends: 1570 [2023-03-31 00:56:22,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 518 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=555, Invalid=1995, Unknown=0, NotChecked=0, Total=2550 [2023-03-31 00:56:22,679 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2725 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 7424 mSolverCounterSat, 1393 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2728 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 8817 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1393 IncrementalHoareTripleChecker+Valid, 7424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:22,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2728 Valid, 81 Invalid, 8817 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1393 Valid, 7424 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-03-31 00:56:22,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1570 states. [2023-03-31 00:56:22,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1570 to 633. [2023-03-31 00:56:22,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 633 states, 430 states have (on average 1.458139534883721) internal successors, (627), 436 states have internal predecessors, (627), 129 states have call successors, (129), 76 states have call predecessors, (129), 73 states have return successors, (126), 124 states have call predecessors, (126), 124 states have call successors, (126) [2023-03-31 00:56:22,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 633 states to 633 states and 882 transitions. [2023-03-31 00:56:22,995 INFO L78 Accepts]: Start accepts. Automaton has 633 states and 882 transitions. Word has length 219 [2023-03-31 00:56:22,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:22,996 INFO L495 AbstractCegarLoop]: Abstraction has 633 states and 882 transitions. [2023-03-31 00:56:22,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.375) internal successors, (118), 9 states have internal predecessors, (118), 7 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36) [2023-03-31 00:56:22,996 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 882 transitions. [2023-03-31 00:56:22,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-03-31 00:56:22,998 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:22,999 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 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, 1, 1, 1, 1, 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 00:56:22,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 00:56:22,999 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:22,999 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:22,999 INFO L85 PathProgramCache]: Analyzing trace with hash -1052315948, now seen corresponding path program 2 times [2023-03-31 00:56:22,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:22,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932589041] [2023-03-31 00:56:23,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:23,000 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:23,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:23,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:23,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:23,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:56:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 00:56:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:23,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 00:56:23,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:23,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:56:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:56:23,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:56:23,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:56:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:56:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:56:23,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 00:56:23,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-03-31 00:56:23,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-03-31 00:56:23,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-03-31 00:56:23,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:23,840 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 00:56:23,840 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:23,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932589041] [2023-03-31 00:56:23,840 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932589041] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:23,840 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:23,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-03-31 00:56:23,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912304339] [2023-03-31 00:56:23,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:23,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-03-31 00:56:23,841 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:23,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-03-31 00:56:23,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2023-03-31 00:56:23,842 INFO L87 Difference]: Start difference. First operand 633 states and 882 transitions. Second operand has 20 states, 17 states have (on average 7.176470588235294) internal successors, (122), 9 states have internal predecessors, (122), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-03-31 00:56:36,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:56:36,473 INFO L93 Difference]: Finished difference Result 2136 states and 3420 transitions. [2023-03-31 00:56:36,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-31 00:56:36,474 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.176470588235294) internal successors, (122), 9 states have internal predecessors, (122), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) Word has length 220 [2023-03-31 00:56:36,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:56:36,481 INFO L225 Difference]: With dead ends: 2136 [2023-03-31 00:56:36,481 INFO L226 Difference]: Without dead ends: 1583 [2023-03-31 00:56:36,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 597 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2023-03-31 00:56:36,483 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2683 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8287 mSolverCounterSat, 1378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2686 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 9665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1378 IncrementalHoareTripleChecker+Valid, 8287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:56:36,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2686 Valid, 90 Invalid, 9665 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1378 Valid, 8287 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-03-31 00:56:36,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1583 states. [2023-03-31 00:56:36,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1583 to 638. [2023-03-31 00:56:36,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 638 states, 432 states have (on average 1.4560185185185186) internal successors, (629), 439 states have internal predecessors, (629), 130 states have call successors, (130), 76 states have call predecessors, (130), 75 states have return successors, (129), 126 states have call predecessors, (129), 125 states have call successors, (129) [2023-03-31 00:56:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 638 states and 888 transitions. [2023-03-31 00:56:36,840 INFO L78 Accepts]: Start accepts. Automaton has 638 states and 888 transitions. Word has length 220 [2023-03-31 00:56:36,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:56:36,840 INFO L495 AbstractCegarLoop]: Abstraction has 638 states and 888 transitions. [2023-03-31 00:56:36,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.176470588235294) internal successors, (122), 9 states have internal predecessors, (122), 6 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 6 states have call successors, (36) [2023-03-31 00:56:36,840 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 888 transitions. [2023-03-31 00:56:36,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-03-31 00:56:36,845 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:56:36,845 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 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, 1, 1, 1, 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 00:56:36,845 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:56:36,845 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:56:36,845 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:56:36,845 INFO L85 PathProgramCache]: Analyzing trace with hash 259287388, now seen corresponding path program 3 times [2023-03-31 00:56:36,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:56:36,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125440639] [2023-03-31 00:56:36,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:56:36,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:56:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:37,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:56:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:56:37,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:56:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:56:37,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:56:37,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:56:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 00:56:37,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:56:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 00:56:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:56:37,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 00:56:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:56:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:56:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:56:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:56:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 00:56:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 00:56:37,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:56:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-03-31 00:56:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-03-31 00:56:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-03-31 00:56:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:56:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:56:37,678 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-31 00:56:37,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:56:37,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125440639] [2023-03-31 00:56:37,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2125440639] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:56:37,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:56:37,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:56:37,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453219115] [2023-03-31 00:56:37,678 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:56:37,679 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:56:37,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:56:37,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:56:37,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:56:37,680 INFO L87 Difference]: Start difference. First operand 638 states and 888 transitions. Second operand has 19 states, 16 states have (on average 7.4375) internal successors, (119), 9 states have internal predecessors, (119), 7 states have call successors, (48), 12 states have call predecessors, (48), 5 states have return successors, (36), 4 states have call predecessors, (36), 7 states have call successors, (36)