/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_spec9_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:07:12,183 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:07:12,186 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:07:12,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:07:12,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:07:12,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:07:12,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:07:12,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:07:12,237 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:07:12,241 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:07:12,242 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:07:12,244 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:07:12,244 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:07:12,247 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:07:12,247 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:07:12,248 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:07:12,249 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:07:12,250 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:07:12,251 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:07:12,256 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:07:12,257 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:07:12,258 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:07:12,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:07:12,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:07:12,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:07:12,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:07:12,269 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:07:12,270 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:07:12,270 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:07:12,271 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:07:12,271 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:07:12,272 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:07:12,273 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:07:12,274 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:07:12,274 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:07:12,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:07:12,275 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:07:12,275 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:07:12,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:07:12,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:07:12,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:07:12,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:07:12,306 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:07:12,306 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:07:12,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:07:12,307 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:07:12,308 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:07:12,308 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:07:12,309 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:07:12,309 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:07:12,309 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:07:12,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:07:12,310 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:07:12,310 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:07:12,310 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:07:12,310 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:07:12,310 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:07:12,311 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:07:12,311 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:07:12,312 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:07:12,312 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:07:12,312 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:07:12,312 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:07:12,313 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:07:12,550 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:07:12,578 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:07:12,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:07:12,581 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:07:12,582 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:07:12,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2023-03-31 01:07:13,725 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:07:14,017 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:07:14,017 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product16.cil.c [2023-03-31 01:07:14,053 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67eac31a1/46ba3803aa06494881ba8e782cf105c1/FLAG56b6bbc00 [2023-03-31 01:07:14,064 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/67eac31a1/46ba3803aa06494881ba8e782cf105c1 [2023-03-31 01:07:14,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:07:14,067 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:07:14,068 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:07:14,068 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:07:14,071 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:07:14,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,072 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6aee8423 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14, skipping insertion in model container [2023-03-31 01:07:14,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,079 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:07:14,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:07:14,607 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_spec9_product16.cil.c[33283,33296] [2023-03-31 01:07:14,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:07:14,713 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:07:14,789 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_spec9_product16.cil.c[33283,33296] [2023-03-31 01:07:14,829 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:07:14,852 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:07:14,857 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:07:14,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14 WrapperNode [2023-03-31 01:07:14,858 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:07:14,859 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:07:14,859 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:07:14,859 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:07:14,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,910 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,910 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,946 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,982 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:14,989 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:15,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:07:15,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:07:15,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:07:15,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:07:15,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (1/1) ... [2023-03-31 01:07:15,014 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:07:15,024 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:15,042 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:07:15,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:07:15,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:07:15,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:07:15,084 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:07:15,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:07:15,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:07:15,087 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:07:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:07:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:07:15,088 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:07:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:07:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:07:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:07:15,089 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:07:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 01:07:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:07:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:07:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:07:15,090 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:07:15,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:07:15,092 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:07:15,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:07:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:07:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:07:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:07:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:07:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:07:15,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:07:15,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:07:15,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:07:15,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-03-31 01:07:15,097 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-03-31 01:07:15,098 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:07:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:07:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:07:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:07:15,099 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:07:15,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:07:15,103 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:07:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:07:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:07:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:07:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:07:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:07:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:07:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:07:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:07:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:07:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:07:15,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:07:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:07:15,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:07:15,481 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:07:15,484 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:07:16,638 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:07:16,655 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:07:16,655 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:07:16,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:07:16 BoogieIcfgContainer [2023-03-31 01:07:16,659 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:07:16,661 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:07:16,661 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:07:16,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:07:16,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:07:14" (1/3) ... [2023-03-31 01:07:16,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcac99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:07:16, skipping insertion in model container [2023-03-31 01:07:16,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:07:14" (2/3) ... [2023-03-31 01:07:16,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fcac99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:07:16, skipping insertion in model container [2023-03-31 01:07:16,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:07:16" (3/3) ... [2023-03-31 01:07:16,665 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product16.cil.c [2023-03-31 01:07:16,680 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:07:16,681 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:07:16,747 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:07:16,752 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;@a6e4ec1, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:07:16,753 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:07:16,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 480 states, 306 states have (on average 1.411764705882353) internal successors, (432), 313 states have internal predecessors, (432), 101 states have call successors, (101), 68 states have call predecessors, (101), 68 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) [2023-03-31 01:07:16,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-03-31 01:07:16,782 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:16,783 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:07:16,783 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:16,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:16,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1316305350, now seen corresponding path program 1 times [2023-03-31 01:07:16,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:16,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294034864] [2023-03-31 01:07:16,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:16,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:17,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:17,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:17,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:17,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:17,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:18,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:07:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:18,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:07:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:07:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 01:07:18,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:07:18,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:07:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:07:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:18,258 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:07:18,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:18,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294034864] [2023-03-31 01:07:18,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294034864] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:18,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:07:18,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 01:07:18,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796768285] [2023-03-31 01:07:18,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:18,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 01:07:18,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:18,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 01:07:18,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-03-31 01:07:18,301 INFO L87 Difference]: Start difference. First operand has 480 states, 306 states have (on average 1.411764705882353) internal successors, (432), 313 states have internal predecessors, (432), 101 states have call successors, (101), 68 states have call predecessors, (101), 68 states have return successors, (101), 101 states have call predecessors, (101), 101 states have call successors, (101) Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 10 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 01:07:26,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:26,004 INFO L93 Difference]: Finished difference Result 1037 states and 1506 transitions. [2023-03-31 01:07:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 01:07:26,010 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 10 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 145 [2023-03-31 01:07:26,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:26,028 INFO L225 Difference]: With dead ends: 1037 [2023-03-31 01:07:26,028 INFO L226 Difference]: Without dead ends: 724 [2023-03-31 01:07:26,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-03-31 01:07:26,037 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 1782 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 1713 mSolverCounterSat, 903 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1821 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 2616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 903 IncrementalHoareTripleChecker+Valid, 1713 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:26,038 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1821 Valid, 132 Invalid, 2616 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [903 Valid, 1713 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-03-31 01:07:26,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 724 states. [2023-03-31 01:07:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 724 to 457. [2023-03-31 01:07:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 295 states have (on average 1.4101694915254237) internal successors, (416), 299 states have internal predecessors, (416), 97 states have call successors, (97), 68 states have call predecessors, (97), 64 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 01:07:26,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 605 transitions. [2023-03-31 01:07:26,379 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 605 transitions. Word has length 145 [2023-03-31 01:07:26,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:26,380 INFO L495 AbstractCegarLoop]: Abstraction has 457 states and 605 transitions. [2023-03-31 01:07:26,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 10 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 01:07:26,381 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 605 transitions. [2023-03-31 01:07:26,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-03-31 01:07:26,386 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:26,386 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:07:26,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:07:26,387 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:26,387 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:26,387 INFO L85 PathProgramCache]: Analyzing trace with hash 1623711793, now seen corresponding path program 1 times [2023-03-31 01:07:26,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:26,387 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668807333] [2023-03-31 01:07:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:26,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:27,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:27,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:27,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:27,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:27,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:27,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:07:27,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:27,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:07:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:27,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:07:27,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:07:27,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:07:27,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:07:27,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:07:27,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:07:27,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:27,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668807333] [2023-03-31 01:07:27,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1668807333] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:07:27,639 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873157691] [2023-03-31 01:07:27,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:27,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:27,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:27,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:07:27,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:07:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:28,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 2046 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:07:28,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:07:28,129 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:07:28,129 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:07:28,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873157691] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:28,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:07:28,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:07:28,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409121642] [2023-03-31 01:07:28,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:28,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:07:28,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:28,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:07:28,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:07:28,133 INFO L87 Difference]: Start difference. First operand 457 states and 605 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 01:07:28,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:28,439 INFO L93 Difference]: Finished difference Result 685 states and 890 transitions. [2023-03-31 01:07:28,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:07:28,442 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 146 [2023-03-31 01:07:28,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:28,449 INFO L225 Difference]: With dead ends: 685 [2023-03-31 01:07:28,449 INFO L226 Difference]: Without dead ends: 460 [2023-03-31 01:07:28,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:07:28,451 INFO L413 NwaCegarLoop]: 603 mSDtfsCounter, 1 mSDsluCounter, 601 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1204 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:28,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1204 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:07:28,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2023-03-31 01:07:28,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 459. [2023-03-31 01:07:28,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 459 states, 297 states have (on average 1.4074074074074074) internal successors, (418), 301 states have internal predecessors, (418), 97 states have call successors, (97), 68 states have call predecessors, (97), 64 states have return successors, (92), 92 states have call predecessors, (92), 92 states have call successors, (92) [2023-03-31 01:07:28,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 607 transitions. [2023-03-31 01:07:28,745 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 607 transitions. Word has length 146 [2023-03-31 01:07:28,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:28,746 INFO L495 AbstractCegarLoop]: Abstraction has 459 states and 607 transitions. [2023-03-31 01:07:28,746 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 01:07:28,746 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 607 transitions. [2023-03-31 01:07:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-03-31 01:07:28,749 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:28,749 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:07:28,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 01:07:28,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:28,958 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:28,959 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:28,959 INFO L85 PathProgramCache]: Analyzing trace with hash -1875392483, now seen corresponding path program 1 times [2023-03-31 01:07:28,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:28,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508190935] [2023-03-31 01:07:28,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:28,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:29,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:29,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:07:29,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:29,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:29,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:07:30,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:30,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:07:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:07:30,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:07:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:07:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:07:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,065 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:07:30,066 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:30,066 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1508190935] [2023-03-31 01:07:30,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1508190935] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:07:30,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [226985560] [2023-03-31 01:07:30,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:30,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:30,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:30,071 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:07:30,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:07:30,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:30,510 INFO L262 TraceCheckSpWp]: Trace formula consists of 2058 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:07:30,516 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:07:30,550 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:07:30,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:07:30,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [226985560] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:30,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:07:30,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 01:07:30,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868860465] [2023-03-31 01:07:30,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:30,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:07:30,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:30,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:07:30,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:07:30,554 INFO L87 Difference]: Start difference. First operand 459 states and 607 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 01:07:30,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:30,903 INFO L93 Difference]: Finished difference Result 894 states and 1212 transitions. [2023-03-31 01:07:30,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:07:30,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2023-03-31 01:07:30,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:30,906 INFO L225 Difference]: With dead ends: 894 [2023-03-31 01:07:30,906 INFO L226 Difference]: Without dead ends: 500 [2023-03-31 01:07:30,907 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:07:30,908 INFO L413 NwaCegarLoop]: 614 mSDtfsCounter, 52 mSDsluCounter, 598 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1212 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:30,909 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1212 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:07:30,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2023-03-31 01:07:31,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 499. [2023-03-31 01:07:31,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 499 states, 329 states have (on average 1.43161094224924) internal successors, (471), 333 states have internal predecessors, (471), 105 states have call successors, (105), 68 states have call predecessors, (105), 64 states have return successors, (100), 100 states have call predecessors, (100), 100 states have call successors, (100) [2023-03-31 01:07:31,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 676 transitions. [2023-03-31 01:07:31,232 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 676 transitions. Word has length 152 [2023-03-31 01:07:31,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:31,233 INFO L495 AbstractCegarLoop]: Abstraction has 499 states and 676 transitions. [2023-03-31 01:07:31,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 01:07:31,233 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 676 transitions. [2023-03-31 01:07:31,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 01:07:31,235 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:31,236 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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] [2023-03-31 01:07:31,247 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 01:07:31,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 01:07:31,444 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:31,444 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:31,444 INFO L85 PathProgramCache]: Analyzing trace with hash 1065109796, now seen corresponding path program 1 times [2023-03-31 01:07:31,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:31,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1049690818] [2023-03-31 01:07:31,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:31,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:07:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:07:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:32,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:07:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:07:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:07:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:07:32,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:07:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,516 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:07:32,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:32,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1049690818] [2023-03-31 01:07:32,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1049690818] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:07:32,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175873463] [2023-03-31 01:07:32,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:32,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:32,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:32,523 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:07:32,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:07:32,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:32,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 2063 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:07:32,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:07:33,195 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:07:33,196 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:07:33,196 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175873463] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:33,196 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:07:33,196 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 23 [2023-03-31 01:07:33,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717053904] [2023-03-31 01:07:33,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:33,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:07:33,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:33,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:07:33,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-03-31 01:07:33,198 INFO L87 Difference]: Start difference. First operand 499 states and 676 transitions. Second operand has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 9 states have internal predecessors, (90), 6 states have call successors, (34), 3 states have call predecessors, (34), 6 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 01:07:34,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:34,176 INFO L93 Difference]: Finished difference Result 976 states and 1332 transitions. [2023-03-31 01:07:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:07:34,177 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 9 states have internal predecessors, (90), 6 states have call successors, (34), 3 states have call predecessors, (34), 6 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) Word has length 153 [2023-03-31 01:07:34,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:34,180 INFO L225 Difference]: With dead ends: 976 [2023-03-31 01:07:34,180 INFO L226 Difference]: Without dead ends: 513 [2023-03-31 01:07:34,181 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2023-03-31 01:07:34,182 INFO L413 NwaCegarLoop]: 610 mSDtfsCounter, 566 mSDsluCounter, 2596 mSDsCounter, 0 mSdLazyCounter, 1077 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 574 SdHoareTripleChecker+Valid, 3206 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1077 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:34,182 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [574 Valid, 3206 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1077 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:07:34,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2023-03-31 01:07:34,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 513. [2023-03-31 01:07:34,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 340 states have (on average 1.4352941176470588) internal successors, (488), 345 states have internal predecessors, (488), 105 states have call successors, (105), 70 states have call predecessors, (105), 67 states have return successors, (101), 100 states have call predecessors, (101), 100 states have call successors, (101) [2023-03-31 01:07:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 694 transitions. [2023-03-31 01:07:34,411 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 694 transitions. Word has length 153 [2023-03-31 01:07:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:34,411 INFO L495 AbstractCegarLoop]: Abstraction has 513 states and 694 transitions. [2023-03-31 01:07:34,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 9 states have internal predecessors, (90), 6 states have call successors, (34), 3 states have call predecessors, (34), 6 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 01:07:34,412 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 694 transitions. [2023-03-31 01:07:34,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 01:07:34,414 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:34,414 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 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] [2023-03-31 01:07:34,426 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-31 01:07:34,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:34,623 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:34,623 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:34,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1928966431, now seen corresponding path program 1 times [2023-03-31 01:07:34,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:34,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331733213] [2023-03-31 01:07:34,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:34,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:35,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:35,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:35,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:07:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:07:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:07:35,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 01:07:35,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:07:35,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:07:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:07:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:35,638 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:07:35,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331733213] [2023-03-31 01:07:35,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331733213] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:07:35,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205928128] [2023-03-31 01:07:35,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:35,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:35,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:07:35,641 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:07:35,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:07:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:36,079 INFO L262 TraceCheckSpWp]: Trace formula consists of 2064 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:07:36,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:07:36,232 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 01:07:36,233 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:07:36,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205928128] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:36,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:07:36,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 22 [2023-03-31 01:07:36,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053362254] [2023-03-31 01:07:36,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:36,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:07:36,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:36,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:07:36,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-03-31 01:07:36,235 INFO L87 Difference]: Start difference. First operand 513 states and 694 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2023-03-31 01:07:37,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:37,023 INFO L93 Difference]: Finished difference Result 977 states and 1336 transitions. [2023-03-31 01:07:37,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:07:37,023 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) Word has length 154 [2023-03-31 01:07:37,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:37,026 INFO L225 Difference]: With dead ends: 977 [2023-03-31 01:07:37,026 INFO L226 Difference]: Without dead ends: 515 [2023-03-31 01:07:37,027 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:07:37,028 INFO L413 NwaCegarLoop]: 609 mSDtfsCounter, 561 mSDsluCounter, 1668 mSDsCounter, 0 mSdLazyCounter, 719 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 569 SdHoareTripleChecker+Valid, 2277 SdHoareTripleChecker+Invalid, 720 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 719 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:37,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [569 Valid, 2277 Invalid, 720 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 719 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 01:07:37,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2023-03-31 01:07:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2023-03-31 01:07:37,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 341 states have (on average 1.434017595307918) internal successors, (489), 347 states have internal predecessors, (489), 105 states have call successors, (105), 70 states have call predecessors, (105), 68 states have return successors, (103), 100 states have call predecessors, (103), 100 states have call successors, (103) [2023-03-31 01:07:37,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 697 transitions. [2023-03-31 01:07:37,261 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 697 transitions. Word has length 154 [2023-03-31 01:07:37,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:37,262 INFO L495 AbstractCegarLoop]: Abstraction has 515 states and 697 transitions. [2023-03-31 01:07:37,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2023-03-31 01:07:37,262 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 697 transitions. [2023-03-31 01:07:37,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 01:07:37,264 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:37,264 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:07:37,277 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:07:37,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:07:37,474 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:37,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:37,474 INFO L85 PathProgramCache]: Analyzing trace with hash -569890174, now seen corresponding path program 1 times [2023-03-31 01:07:37,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:37,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537499205] [2023-03-31 01:07:37,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:37,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:38,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:38,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:38,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:38,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:07:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:07:38,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:38,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:38,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:07:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:07:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:07:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:07:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:07:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:38,491 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 01:07:38,491 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:38,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537499205] [2023-03-31 01:07:38,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [537499205] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:38,492 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:07:38,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-03-31 01:07:38,492 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632791877] [2023-03-31 01:07:38,492 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:38,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 01:07:38,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:38,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 01:07:38,493 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 01:07:38,493 INFO L87 Difference]: Start difference. First operand 515 states and 697 transitions. Second operand has 17 states, 14 states have (on average 6.071428571428571) internal successors, (85), 9 states have internal predecessors, (85), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 01:07:48,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:07:48,894 INFO L93 Difference]: Finished difference Result 1338 states and 1962 transitions. [2023-03-31 01:07:48,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-31 01:07:48,897 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.071428571428571) internal successors, (85), 9 states have internal predecessors, (85), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) Word has length 155 [2023-03-31 01:07:48,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:07:48,901 INFO L225 Difference]: With dead ends: 1338 [2023-03-31 01:07:48,902 INFO L226 Difference]: Without dead ends: 882 [2023-03-31 01:07:48,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2023-03-31 01:07:48,904 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2139 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 6587 mSolverCounterSat, 1092 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2143 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 7679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1092 IncrementalHoareTripleChecker+Valid, 6587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:07:48,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2143 Valid, 77 Invalid, 7679 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1092 Valid, 6587 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-03-31 01:07:48,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 882 states. [2023-03-31 01:07:49,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 882 to 525. [2023-03-31 01:07:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 525 states, 350 states have (on average 1.4314285714285715) internal successors, (501), 355 states have internal predecessors, (501), 105 states have call successors, (105), 72 states have call predecessors, (105), 69 states have return successors, (102), 100 states have call predecessors, (102), 100 states have call successors, (102) [2023-03-31 01:07:49,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 708 transitions. [2023-03-31 01:07:49,151 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 708 transitions. Word has length 155 [2023-03-31 01:07:49,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:07:49,151 INFO L495 AbstractCegarLoop]: Abstraction has 525 states and 708 transitions. [2023-03-31 01:07:49,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.071428571428571) internal successors, (85), 9 states have internal predecessors, (85), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 01:07:49,152 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 708 transitions. [2023-03-31 01:07:49,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-03-31 01:07:49,153 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:07:49,154 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:07:49,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:07:49,154 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:07:49,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:07:49,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1863845763, now seen corresponding path program 2 times [2023-03-31 01:07:49,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:07:49,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200030721] [2023-03-31 01:07:49,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:07:49,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:07:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:07:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:07:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:07:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:07:49,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:07:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:07:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:07:49,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:07:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:07:50,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:07:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:07:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:07:50,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:07:50,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:07:50,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:07:50,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:07:50,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:07:50,107 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:07:50,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:07:50,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200030721] [2023-03-31 01:07:50,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200030721] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:07:50,108 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:07:50,108 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:07:50,108 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638354122] [2023-03-31 01:07:50,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:07:50,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:07:50,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:07:50,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:07:50,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:07:50,112 INFO L87 Difference]: Start difference. First operand 525 states and 708 transitions. Second operand has 18 states, 15 states have (on average 5.933333333333334) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) [2023-03-31 01:08:00,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:08:00,973 INFO L93 Difference]: Finished difference Result 1340 states and 1967 transitions. [2023-03-31 01:08:00,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-31 01:08:00,977 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.933333333333334) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) Word has length 156 [2023-03-31 01:08:00,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:08:00,982 INFO L225 Difference]: With dead ends: 1340 [2023-03-31 01:08:00,982 INFO L226 Difference]: Without dead ends: 895 [2023-03-31 01:08:00,984 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 415 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=421, Invalid=1741, Unknown=0, NotChecked=0, Total=2162 [2023-03-31 01:08:00,985 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2636 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 7619 mSolverCounterSat, 1247 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2641 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 8866 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1247 IncrementalHoareTripleChecker+Valid, 7619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-03-31 01:08:00,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2641 Valid, 84 Invalid, 8866 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1247 Valid, 7619 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-03-31 01:08:00,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 895 states. [2023-03-31 01:08:01,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 895 to 530. [2023-03-31 01:08:01,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 530 states, 352 states have (on average 1.4289772727272727) internal successors, (503), 358 states have internal predecessors, (503), 106 states have call successors, (106), 72 states have call predecessors, (106), 71 states have return successors, (105), 102 states have call predecessors, (105), 101 states have call successors, (105) [2023-03-31 01:08:01,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 714 transitions. [2023-03-31 01:08:01,268 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 714 transitions. Word has length 156 [2023-03-31 01:08:01,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:08:01,268 INFO L495 AbstractCegarLoop]: Abstraction has 530 states and 714 transitions. [2023-03-31 01:08:01,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.933333333333334) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) [2023-03-31 01:08:01,268 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 714 transitions. [2023-03-31 01:08:01,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-03-31 01:08:01,270 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:08:01,271 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:08:01,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:08:01,271 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:08:01,271 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:08:01,271 INFO L85 PathProgramCache]: Analyzing trace with hash -1926585433, now seen corresponding path program 1 times [2023-03-31 01:08:01,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:08:01,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027156824] [2023-03-31 01:08:01,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:08:01,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:08:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:08:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:08:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:08:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:08:01,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:08:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:01,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:01,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:08:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:08:02,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:02,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:08:02,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:08:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:02,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:02,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:08:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:08:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:08:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:08:02,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:08:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:08:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:08:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:08:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:08:02,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:08:02,182 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 01:08:02,182 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:08:02,182 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027156824] [2023-03-31 01:08:02,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027156824] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:08:02,182 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:08:02,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:08:02,183 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914235798] [2023-03-31 01:08:02,183 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:08:02,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:08:02,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:08:02,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:08:02,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:08:02,184 INFO L87 Difference]: Start difference. First operand 530 states and 714 transitions. Second operand has 18 states, 15 states have (on average 6.0) internal successors, (90), 9 states have internal predecessors, (90), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25)