/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_product33.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 04:02:22,330 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 04:02:22,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 04:02:22,363 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 04:02:22,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 04:02:22,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 04:02:22,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 04:02:22,367 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 04:02:22,369 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 04:02:22,369 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 04:02:22,370 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 04:02:22,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 04:02:22,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 04:02:22,372 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 04:02:22,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 04:02:22,381 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 04:02:22,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 04:02:22,386 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 04:02:22,387 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 04:02:22,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 04:02:22,393 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 04:02:22,394 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 04:02:22,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 04:02:22,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 04:02:22,406 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 04:02:22,406 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 04:02:22,406 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 04:02:22,407 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 04:02:22,407 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 04:02:22,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 04:02:22,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 04:02:22,408 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 04:02:22,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 04:02:22,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 04:02:22,410 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 04:02:22,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 04:02:22,411 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 04:02:22,411 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 04:02:22,411 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 04:02:22,412 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 04:02:22,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 04:02:22,415 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 [2023-04-02 04:02:22,443 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 04:02:22,444 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 04:02:22,445 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 04:02:22,445 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 04:02:22,446 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 04:02:22,446 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 04:02:22,447 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 04:02:22,447 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 04:02:22,447 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 04:02:22,447 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 04:02:22,448 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 04:02:22,448 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 04:02:22,448 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 04:02:22,448 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 04:02:22,448 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 04:02:22,448 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 04:02:22,449 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 04:02:22,449 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:02:22,450 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 04:02:22,450 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 04:02:22,450 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 04:02:22,450 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 04:02:22,450 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 04:02:22,451 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 04:02:22,451 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 04:02:22,451 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 04:02:22,451 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 04:02:22,451 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 04:02:22,451 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 04:02:22,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 04:02:22,687 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 04:02:22,692 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 04:02:22,693 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 04:02:22,693 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 04:02:22,694 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec9_product33.cil.c [2023-04-02 04:02:23,791 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 04:02:24,092 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 04:02:24,093 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec9_product33.cil.c [2023-04-02 04:02:24,113 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2f7d98e/2580ff6bd38d4e0a8872ae436410f72f/FLAG07ede7043 [2023-04-02 04:02:24,123 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb2f7d98e/2580ff6bd38d4e0a8872ae436410f72f [2023-04-02 04:02:24,125 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 04:02:24,126 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 04:02:24,127 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 04:02:24,127 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 04:02:24,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 04:02:24,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:24,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a099fcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24, skipping insertion in model container [2023-04-02 04:02:24,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:24,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 04:02:24,201 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 04:02:24,651 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_product33.cil.c[33566,33579] [2023-04-02 04:02:24,793 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:02:24,806 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 04:02:24,860 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_product33.cil.c[33566,33579] [2023-04-02 04:02:24,890 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 04:02:24,921 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 04:02:24,927 INFO L208 MainTranslator]: Completed translation [2023-04-02 04:02:24,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24 WrapperNode [2023-04-02 04:02:24,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 04:02:24,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 04:02:24,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 04:02:24,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 04:02:24,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:24,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:24,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:24,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:25,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:25,068 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:25,078 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:25,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:25,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 04:02:25,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 04:02:25,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 04:02:25,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 04:02:25,108 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (1/1) ... [2023-04-02 04:02:25,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 04:02:25,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:25,142 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) [2023-04-02 04:02:25,150 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 [2023-04-02 04:02:25,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 04:02:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 04:02:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 04:02:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 04:02:25,194 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 04:02:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2023-04-02 04:02:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2023-04-02 04:02:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 04:02:25,195 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 04:02:25,198 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 04:02:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 04:02:25,200 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 04:02:25,201 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 04:02:25,202 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 04:02:25,203 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 04:02:25,204 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 04:02:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 04:02:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 04:02:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 04:02:25,205 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 04:02:25,206 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 04:02:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 04:02:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 04:02:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 04:02:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 04:02:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 04:02:25,207 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 04:02:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 04:02:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 04:02:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 04:02:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 04:02:25,208 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 04:02:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 04:02:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 04:02:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 04:02:25,209 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 04:02:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 04:02:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 04:02:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 04:02:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 04:02:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 04:02:25,210 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 04:02:25,211 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 04:02:25,212 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 04:02:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 04:02:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 04:02:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 04:02:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 04:02:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 04:02:25,213 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 04:02:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 04:02:25,213 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 04:02:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 04:02:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 04:02:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 04:02:25,214 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 04:02:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 04:02:25,215 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 04:02:25,219 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 04:02:25,223 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 04:02:25,224 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 04:02:25,225 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 04:02:25,226 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 04:02:25,227 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 04:02:25,228 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 04:02:25,229 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 04:02:25,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 04:02:25,231 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 04:02:25,232 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 04:02:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 04:02:25,233 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 04:02:25,234 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 04:02:25,235 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 04:02:25,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 04:02:25,554 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 04:02:25,557 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 04:02:26,700 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 04:02:26,711 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 04:02:26,712 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 04:02:26,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:02:26 BoogieIcfgContainer [2023-04-02 04:02:26,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 04:02:26,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 04:02:26,716 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 04:02:26,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 04:02:26,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 04:02:24" (1/3) ... [2023-04-02 04:02:26,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:02:26, skipping insertion in model container [2023-04-02 04:02:26,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 04:02:24" (2/3) ... [2023-04-02 04:02:26,719 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d3c4a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 04:02:26, skipping insertion in model container [2023-04-02 04:02:26,719 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 04:02:26" (3/3) ... [2023-04-02 04:02:26,720 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec9_product33.cil.c [2023-04-02 04:02:26,732 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 04:02:26,732 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 04:02:26,785 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 04:02:26,789 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;@698a8ff3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 04:02:26,789 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 04:02:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand has 594 states, 376 states have (on average 1.398936170212766) internal successors, (526), 386 states have internal predecessors, (526), 128 states have call successors, (128), 85 states have call predecessors, (128), 85 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-02 04:02:26,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-02 04:02:26,813 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:26,814 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:26,814 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:26,818 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:26,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1598452367, now seen corresponding path program 1 times [2023-04-02 04:02:26,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:26,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035425278] [2023-04-02 04:02:26,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:26,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:27,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:28,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:28,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:28,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 04:02:28,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:28,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 04:02:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 04:02:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 04:02:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 04:02:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:02:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 04:02:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:28,315 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:28,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:28,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035425278] [2023-04-02 04:02:28,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035425278] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:28,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:02:28,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-04-02 04:02:28,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43509264] [2023-04-02 04:02:28,319 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:28,323 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 04:02:28,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:28,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 04:02:28,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-04-02 04:02:28,366 INFO L87 Difference]: Start difference. First operand has 594 states, 376 states have (on average 1.398936170212766) internal successors, (526), 386 states have internal predecessors, (526), 128 states have call successors, (128), 85 states have call predecessors, (128), 85 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) Second operand has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:37,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:37,940 INFO L93 Difference]: Finished difference Result 1421 states and 2093 transitions. [2023-04-02 04:02:37,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 04:02:37,943 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 158 [2023-04-02 04:02:37,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:37,964 INFO L225 Difference]: With dead ends: 1421 [2023-04-02 04:02:37,964 INFO L226 Difference]: Without dead ends: 933 [2023-04-02 04:02:37,972 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 466 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-04-02 04:02:37,975 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3065 mSDsluCounter, 204 mSDsCounter, 0 mSdLazyCounter, 2383 mSolverCounterSat, 1579 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3111 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 3962 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1579 IncrementalHoareTripleChecker+Valid, 2383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:37,975 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3111 Valid, 218 Invalid, 3962 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1579 Valid, 2383 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2023-04-02 04:02:37,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 933 states. [2023-04-02 04:02:38,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 933 to 571. [2023-04-02 04:02:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 571 states, 365 states have (on average 1.3972602739726028) internal successors, (510), 372 states have internal predecessors, (510), 124 states have call successors, (124), 85 states have call predecessors, (124), 81 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 04:02:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 571 states and 753 transitions. [2023-04-02 04:02:38,363 INFO L78 Accepts]: Start accepts. Automaton has 571 states and 753 transitions. Word has length 158 [2023-04-02 04:02:38,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:38,364 INFO L495 AbstractCegarLoop]: Abstraction has 571 states and 753 transitions. [2023-04-02 04:02:38,364 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 7.181818181818182) internal successors, (79), 2 states have internal predecessors, (79), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 753 transitions. [2023-04-02 04:02:38,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-02 04:02:38,369 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:38,369 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:38,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 04:02:38,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:38,371 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:38,371 INFO L85 PathProgramCache]: Analyzing trace with hash -589226746, now seen corresponding path program 1 times [2023-04-02 04:02:38,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:38,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199055971] [2023-04-02 04:02:38,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:38,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 04:02:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 04:02:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 04:02:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:02:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 04:02:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:02:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:02:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:39,631 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-04-02 04:02:39,631 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:39,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199055971] [2023-04-02 04:02:39,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199055971] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:39,631 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561660665] [2023-04-02 04:02:39,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:39,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:39,632 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:39,639 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) [2023-04-02 04:02:39,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-04-02 04:02:40,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:40,084 INFO L262 TraceCheckSpWp]: Trace formula consists of 2335 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 04:02:40,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:40,137 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:40,137 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:40,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561660665] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:40,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:40,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 04:02:40,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705321729] [2023-04-02 04:02:40,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:40,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:02:40,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:40,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:02:40,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:40,140 INFO L87 Difference]: Start difference. First operand 571 states and 753 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:40,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:40,541 INFO L93 Difference]: Finished difference Result 902 states and 1172 transitions. [2023-04-02 04:02:40,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:02:40,542 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 159 [2023-04-02 04:02:40,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:40,552 INFO L225 Difference]: With dead ends: 902 [2023-04-02 04:02:40,552 INFO L226 Difference]: Without dead ends: 574 [2023-04-02 04:02:40,553 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:40,554 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 1 mSDsluCounter, 749 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1500 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 [2023-04-02 04:02:40,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1500 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:02:40,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-04-02 04:02:40,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 573. [2023-04-02 04:02:40,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 573 states, 367 states have (on average 1.3950953678474114) internal successors, (512), 374 states have internal predecessors, (512), 124 states have call successors, (124), 85 states have call predecessors, (124), 81 states have return successors, (119), 119 states have call predecessors, (119), 119 states have call successors, (119) [2023-04-02 04:02:40,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 573 states and 755 transitions. [2023-04-02 04:02:40,849 INFO L78 Accepts]: Start accepts. Automaton has 573 states and 755 transitions. Word has length 159 [2023-04-02 04:02:40,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:40,849 INFO L495 AbstractCegarLoop]: Abstraction has 573 states and 755 transitions. [2023-04-02 04:02:40,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:40,850 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 755 transitions. [2023-04-02 04:02:40,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-04-02 04:02:40,852 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:40,853 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:40,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 04:02:41,055 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 [2023-04-02 04:02:41,056 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:41,056 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:41,057 INFO L85 PathProgramCache]: Analyzing trace with hash 574332484, now seen corresponding path program 1 times [2023-04-02 04:02:41,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:41,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512510128] [2023-04-02 04:02:41,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:41,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:41,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:41,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:41,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:41,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:41,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:42,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:42,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 04:02:42,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:42,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 04:02:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 04:02:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:02:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 04:02:42,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:02:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:02:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:02:42,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:42,214 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512510128] [2023-04-02 04:02:42,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512510128] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:42,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [951141263] [2023-04-02 04:02:42,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:42,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:42,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:42,219 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) [2023-04-02 04:02:42,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-04-02 04:02:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:42,709 INFO L262 TraceCheckSpWp]: Trace formula consists of 2353 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:02:42,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:42,763 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:42,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [951141263] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:42,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:42,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 04:02:42,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315197068] [2023-04-02 04:02:42,764 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:42,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:02:42,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:42,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:02:42,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:42,766 INFO L87 Difference]: Start difference. First operand 573 states and 755 transitions. Second operand has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:43,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:43,192 INFO L93 Difference]: Finished difference Result 1124 states and 1511 transitions. [2023-04-02 04:02:43,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:02:43,193 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 171 [2023-04-02 04:02:43,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:43,198 INFO L225 Difference]: With dead ends: 1124 [2023-04-02 04:02:43,198 INFO L226 Difference]: Without dead ends: 616 [2023-04-02 04:02:43,200 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 214 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:43,202 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 53 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1506 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 [2023-04-02 04:02:43,203 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:02:43,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2023-04-02 04:02:43,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 615. [2023-04-02 04:02:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 615 states, 400 states have (on average 1.415) internal successors, (566), 407 states have internal predecessors, (566), 133 states have call successors, (133), 85 states have call predecessors, (133), 81 states have return successors, (128), 128 states have call predecessors, (128), 128 states have call successors, (128) [2023-04-02 04:02:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 827 transitions. [2023-04-02 04:02:43,565 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 827 transitions. Word has length 171 [2023-04-02 04:02:43,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:43,566 INFO L495 AbstractCegarLoop]: Abstraction has 615 states and 827 transitions. [2023-04-02 04:02:43,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.666666666666668) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 827 transitions. [2023-04-02 04:02:43,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-04-02 04:02:43,569 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:43,569 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:43,578 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 04:02:43,775 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 [2023-04-02 04:02:43,776 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:43,776 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:43,776 INFO L85 PathProgramCache]: Analyzing trace with hash 386040113, now seen corresponding path program 1 times [2023-04-02 04:02:43,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:43,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384256166] [2023-04-02 04:02:43,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:43,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:44,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:44,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:44,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 04:02:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 04:02:44,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:44,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 04:02:44,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:02:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 04:02:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:02:44,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:02:44,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:44,769 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:02:44,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:44,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384256166] [2023-04-02 04:02:44,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384256166] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:44,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223975137] [2023-04-02 04:02:44,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:44,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:44,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:44,781 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) [2023-04-02 04:02:44,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-04-02 04:02:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:45,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 2358 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:02:45,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:45,316 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:45,316 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:45,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223975137] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:45,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:45,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 04:02:45,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533797637] [2023-04-02 04:02:45,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:45,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:02:45,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:45,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:02:45,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:45,318 INFO L87 Difference]: Start difference. First operand 615 states and 827 transitions. Second operand has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:45,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:45,775 INFO L93 Difference]: Finished difference Result 1247 states and 1722 transitions. [2023-04-02 04:02:45,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:02:45,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 172 [2023-04-02 04:02:45,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:45,780 INFO L225 Difference]: With dead ends: 1247 [2023-04-02 04:02:45,780 INFO L226 Difference]: Without dead ends: 697 [2023-04-02 04:02:45,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:45,782 INFO L413 NwaCegarLoop]: 760 mSDtfsCounter, 51 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1506 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 [2023-04-02 04:02:45,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1506 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:02:45,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2023-04-02 04:02:46,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 696. [2023-04-02 04:02:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 696 states, 464 states have (on average 1.4439655172413792) internal successors, (670), 471 states have internal predecessors, (670), 150 states have call successors, (150), 85 states have call predecessors, (150), 81 states have return successors, (145), 145 states have call predecessors, (145), 145 states have call successors, (145) [2023-04-02 04:02:46,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 696 states to 696 states and 965 transitions. [2023-04-02 04:02:46,162 INFO L78 Accepts]: Start accepts. Automaton has 696 states and 965 transitions. Word has length 172 [2023-04-02 04:02:46,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:46,163 INFO L495 AbstractCegarLoop]: Abstraction has 696 states and 965 transitions. [2023-04-02 04:02:46,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.0) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:46,163 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 965 transitions. [2023-04-02 04:02:46,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-04-02 04:02:46,166 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:46,167 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:46,176 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-04-02 04:02:46,376 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 [2023-04-02 04:02:46,377 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:46,377 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:46,377 INFO L85 PathProgramCache]: Analyzing trace with hash -948661884, now seen corresponding path program 1 times [2023-04-02 04:02:46,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:46,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56518658] [2023-04-02 04:02:46,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:46,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:46,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:47,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:47,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:47,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:47,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:47,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 04:02:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 04:02:47,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 04:02:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:02:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 04:02:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:02:47,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 04:02:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:02:47,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:47,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56518658] [2023-04-02 04:02:47,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56518658] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:47,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1167954839] [2023-04-02 04:02:47,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:47,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:47,369 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:47,370 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) [2023-04-02 04:02:47,382 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-04-02 04:02:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:47,796 INFO L262 TraceCheckSpWp]: Trace formula consists of 2363 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:02:47,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:47,837 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-04-02 04:02:47,837 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:47,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1167954839] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:47,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:47,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-04-02 04:02:47,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965176780] [2023-04-02 04:02:47,838 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:47,838 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 04:02:47,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:47,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 04:02:47,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:47,839 INFO L87 Difference]: Start difference. First operand 696 states and 965 transitions. Second operand has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:48,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:48,393 INFO L93 Difference]: Finished difference Result 1484 states and 2126 transitions. [2023-04-02 04:02:48,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 04:02:48,394 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 173 [2023-04-02 04:02:48,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:48,399 INFO L225 Difference]: With dead ends: 1484 [2023-04-02 04:02:48,399 INFO L226 Difference]: Without dead ends: 853 [2023-04-02 04:02:48,401 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:48,402 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 49 mSDsluCounter, 746 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1502 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 [2023-04-02 04:02:48,402 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1502 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 04:02:48,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-04-02 04:02:48,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2023-04-02 04:02:48,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 588 states have (on average 1.4795918367346939) internal successors, (870), 595 states have internal predecessors, (870), 182 states have call successors, (182), 85 states have call predecessors, (182), 81 states have return successors, (177), 177 states have call predecessors, (177), 177 states have call successors, (177) [2023-04-02 04:02:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1229 transitions. [2023-04-02 04:02:48,969 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1229 transitions. Word has length 173 [2023-04-02 04:02:48,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:48,969 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1229 transitions. [2023-04-02 04:02:48,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.333333333333332) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (37), 2 states have call predecessors, (37), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:02:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1229 transitions. [2023-04-02 04:02:48,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-04-02 04:02:48,973 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:48,973 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:48,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 04:02:49,181 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 [2023-04-02 04:02:49,182 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:49,182 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:49,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1076436683, now seen corresponding path program 1 times [2023-04-02 04:02:49,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:49,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159628444] [2023-04-02 04:02:49,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:49,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:49,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:49,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:49,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:49,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:49,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 04:02:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-04-02 04:02:50,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:50,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 04:02:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:50,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 04:02:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 04:02:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:02:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 04:02:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:02:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 04:02:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,234 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:02:50,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:50,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159628444] [2023-04-02 04:02:50,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159628444] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:50,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1427915306] [2023-04-02 04:02:50,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:50,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:50,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:50,245 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:02:50,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 04:02:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:50,692 INFO L262 TraceCheckSpWp]: Trace formula consists of 2393 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 04:02:50,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 04:02:50,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:50,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1427915306] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:50,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:50,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-04-02 04:02:50,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701761256] [2023-04-02 04:02:50,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:50,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 04:02:50,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:50,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 04:02:50,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-04-02 04:02:50,922 INFO L87 Difference]: Start difference. First operand 852 states and 1229 transitions. Second operand has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:02:52,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:52,379 INFO L93 Difference]: Finished difference Result 1682 states and 2438 transitions. [2023-04-02 04:02:52,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 04:02:52,380 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 175 [2023-04-02 04:02:52,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:52,387 INFO L225 Difference]: With dead ends: 1682 [2023-04-02 04:02:52,387 INFO L226 Difference]: Without dead ends: 866 [2023-04-02 04:02:52,389 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-04-02 04:02:52,390 INFO L413 NwaCegarLoop]: 758 mSDtfsCounter, 709 mSDsluCounter, 3150 mSDsCounter, 0 mSdLazyCounter, 1411 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 3908 SdHoareTripleChecker+Invalid, 1414 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:52,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 3908 Invalid, 1414 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1411 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-04-02 04:02:52,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-04-02 04:02:52,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2023-04-02 04:02:52,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 599 states have (on average 1.4808013355592655) internal successors, (887), 607 states have internal predecessors, (887), 182 states have call successors, (182), 87 states have call predecessors, (182), 84 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 04:02:52,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1247 transitions. [2023-04-02 04:02:52,823 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1247 transitions. Word has length 175 [2023-04-02 04:02:52,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:52,823 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1247 transitions. [2023-04-02 04:02:52,823 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.714285714285714) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 3 states have call predecessors, (39), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:02:52,823 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1247 transitions. [2023-04-02 04:02:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-04-02 04:02:52,827 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:52,827 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:52,838 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 04:02:53,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:53,037 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:53,037 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:53,037 INFO L85 PathProgramCache]: Analyzing trace with hash -478341461, now seen corresponding path program 1 times [2023-04-02 04:02:53,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:53,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882491738] [2023-04-02 04:02:53,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:53,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:53,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:53,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:53,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:53,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:53,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:02:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 04:02:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 04:02:53,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 04:02:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:53,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 04:02:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 04:02:53,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:02:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 04:02:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:02:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 04:02:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:53,984 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:02:53,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:53,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882491738] [2023-04-02 04:02:53,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882491738] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:02:53,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1838443984] [2023-04-02 04:02:53,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:53,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:53,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:02:53,985 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:02:54,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-04-02 04:02:54,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:54,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 2394 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 04:02:54,401 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:02:54,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-04-02 04:02:54,521 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 04:02:54,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1838443984] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:54,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 04:02:54,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-04-02 04:02:54,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394563546] [2023-04-02 04:02:54,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:54,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 04:02:54,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:54,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 04:02:54,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-04-02 04:02:54,523 INFO L87 Difference]: Start difference. First operand 866 states and 1247 transitions. Second operand has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 04:02:55,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:02:55,672 INFO L93 Difference]: Finished difference Result 1683 states and 2444 transitions. [2023-04-02 04:02:55,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 04:02:55,672 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 176 [2023-04-02 04:02:55,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:02:55,677 INFO L225 Difference]: With dead ends: 1683 [2023-04-02 04:02:55,677 INFO L226 Difference]: Without dead ends: 868 [2023-04-02 04:02:55,680 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:02:55,681 INFO L413 NwaCegarLoop]: 757 mSDtfsCounter, 703 mSDsluCounter, 2128 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 2885 SdHoareTripleChecker+Invalid, 948 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:02:55,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 2885 Invalid, 948 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 04:02:55,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2023-04-02 04:02:56,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2023-04-02 04:02:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 600 states have (on average 1.48) internal successors, (888), 609 states have internal predecessors, (888), 182 states have call successors, (182), 87 states have call predecessors, (182), 85 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 04:02:56,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1250 transitions. [2023-04-02 04:02:56,134 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1250 transitions. Word has length 176 [2023-04-02 04:02:56,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:02:56,135 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1250 transitions. [2023-04-02 04:02:56,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 17.333333333333332) internal successors, (104), 7 states have internal predecessors, (104), 4 states have call successors, (39), 3 states have call predecessors, (39), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-04-02 04:02:56,135 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1250 transitions. [2023-04-02 04:02:56,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 04:02:56,139 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:02:56,139 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:02:56,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-04-02 04:02:56,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:02:56,349 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:02:56,349 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:02:56,349 INFO L85 PathProgramCache]: Analyzing trace with hash -634217413, now seen corresponding path program 1 times [2023-04-02 04:02:56,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:02:56,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047708005] [2023-04-02 04:02:56,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:02:56,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:02:56,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:56,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:56,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:02:56,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:56,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:02:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:02:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:02:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:02:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:02:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:02:57,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 04:02:57,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:02:57,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 04:02:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:02:57,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 04:02:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:02:57,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 04:02:57,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 04:02:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 04:02:57,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 04:02:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 04:02:57,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:02:57,283 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-04-02 04:02:57,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:02:57,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047708005] [2023-04-02 04:02:57,284 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047708005] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:02:57,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:02:57,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:02:57,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973052205] [2023-04-02 04:02:57,284 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:02:57,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:02:57,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:02:57,285 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:02:57,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:02:57,285 INFO L87 Difference]: Start difference. First operand 868 states and 1250 transitions. Second operand has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 04:03:11,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:11,201 INFO L93 Difference]: Finished difference Result 3267 states and 5413 transitions. [2023-04-02 04:03:11,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 04:03:11,201 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) Word has length 177 [2023-04-02 04:03:11,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:11,215 INFO L225 Difference]: With dead ends: 3267 [2023-04-02 04:03:11,215 INFO L226 Difference]: Without dead ends: 2458 [2023-04-02 04:03:11,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=588, Invalid=2168, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 04:03:11,219 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4091 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8001 mSolverCounterSat, 2249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4094 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2249 IncrementalHoareTripleChecker+Valid, 8001 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:11,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4094 Valid, 79 Invalid, 10250 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2249 Valid, 8001 Invalid, 0 Unknown, 0 Unchecked, 9.3s Time] [2023-04-02 04:03:11,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2023-04-02 04:03:11,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 878. [2023-04-02 04:03:11,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.477832512315271) internal successors, (900), 617 states have internal predecessors, (900), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (179), 177 states have call predecessors, (179), 177 states have call successors, (179) [2023-04-02 04:03:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1261 transitions. [2023-04-02 04:03:11,824 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1261 transitions. Word has length 177 [2023-04-02 04:03:11,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:11,825 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1261 transitions. [2023-04-02 04:03:11,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.125) internal successors, (98), 9 states have internal predecessors, (98), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 04:03:11,825 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1261 transitions. [2023-04-02 04:03:11,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 04:03:11,828 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:11,828 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:11,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 04:03:11,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:11,829 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:11,829 INFO L85 PathProgramCache]: Analyzing trace with hash 72956047, now seen corresponding path program 2 times [2023-04-02 04:03:11,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:11,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088140117] [2023-04-02 04:03:11,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:11,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:12,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 04:03:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:12,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 04:03:12,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 04:03:12,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 04:03:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 04:03:12,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 04:03:12,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 04:03:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 04:03:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:12,799 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:12,800 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:12,800 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088140117] [2023-04-02 04:03:12,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088140117] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:12,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:12,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:03:12,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753120000] [2023-04-02 04:03:12,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:12,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:03:12,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:12,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:03:12,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:03:12,802 INFO L87 Difference]: Start difference. First operand 878 states and 1261 transitions. Second operand has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:03:27,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:27,188 INFO L93 Difference]: Finished difference Result 3269 states and 5418 transitions. [2023-04-02 04:03:27,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-04-02 04:03:27,189 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 178 [2023-04-02 04:03:27,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:27,201 INFO L225 Difference]: With dead ends: 3269 [2023-04-02 04:03:27,201 INFO L226 Difference]: Without dead ends: 2471 [2023-04-02 04:03:27,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 671 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=620, Invalid=2460, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 04:03:27,205 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3310 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 9425 mSolverCounterSat, 1781 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3313 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 11206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1781 IncrementalHoareTripleChecker+Valid, 9425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:27,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3313 Valid, 92 Invalid, 11206 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1781 Valid, 9425 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-04-02 04:03:27,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2471 states. [2023-04-02 04:03:27,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2471 to 883. [2023-04-02 04:03:27,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 611 states have (on average 1.4762684124386252) internal successors, (902), 620 states have internal predecessors, (902), 183 states have call successors, (183), 89 states have call predecessors, (183), 88 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-04-02 04:03:27,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1267 transitions. [2023-04-02 04:03:27,862 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1267 transitions. Word has length 178 [2023-04-02 04:03:27,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:27,864 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1267 transitions. [2023-04-02 04:03:27,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0) internal successors, (102), 9 states have internal predecessors, (102), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:03:27,864 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1267 transitions. [2023-04-02 04:03:27,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 04:03:27,868 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:27,868 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:27,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 04:03:27,869 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:27,869 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:27,869 INFO L85 PathProgramCache]: Analyzing trace with hash 1202863425, now seen corresponding path program 3 times [2023-04-02 04:03:27,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:27,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330740693] [2023-04-02 04:03:27,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:27,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:28,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:28,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:28,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:28,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:28,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:03:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:03:28,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:28,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:03:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:28,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:03:28,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 04:03:28,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:03:28,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:03:28,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:03:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:28,758 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-04-02 04:03:28,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:28,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330740693] [2023-04-02 04:03:28,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330740693] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:28,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:28,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 04:03:28,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042120127] [2023-04-02 04:03:28,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:28,759 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 04:03:28,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:28,760 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 04:03:28,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 04:03:28,760 INFO L87 Difference]: Start difference. First operand 883 states and 1267 transitions. Second operand has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 04:03:42,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:42,196 INFO L93 Difference]: Finished difference Result 3265 states and 5409 transitions. [2023-04-02 04:03:42,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 04:03:42,197 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) Word has length 179 [2023-04-02 04:03:42,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:42,209 INFO L225 Difference]: With dead ends: 3265 [2023-04-02 04:03:42,209 INFO L226 Difference]: Without dead ends: 2460 [2023-04-02 04:03:42,213 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=588, Invalid=2168, Unknown=0, NotChecked=0, Total=2756 [2023-04-02 04:03:42,213 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4195 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8211 mSolverCounterSat, 2404 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4198 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 10615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2404 IncrementalHoareTripleChecker+Valid, 8211 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:42,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4198 Valid, 79 Invalid, 10615 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2404 Valid, 8211 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-04-02 04:03:42,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2023-04-02 04:03:42,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 878. [2023-04-02 04:03:42,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.4761904761904763) internal successors, (899), 617 states have internal predecessors, (899), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (179), 177 states have call predecessors, (179), 177 states have call successors, (179) [2023-04-02 04:03:42,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1260 transitions. [2023-04-02 04:03:42,858 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1260 transitions. Word has length 179 [2023-04-02 04:03:42,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:42,858 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1260 transitions. [2023-04-02 04:03:42,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.1875) internal successors, (99), 9 states have internal predecessors, (99), 7 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-04-02 04:03:42,858 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1260 transitions. [2023-04-02 04:03:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 04:03:42,861 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:42,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:42,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 04:03:42,861 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:42,862 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:42,862 INFO L85 PathProgramCache]: Analyzing trace with hash 697056768, now seen corresponding path program 1 times [2023-04-02 04:03:42,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:42,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153232582] [2023-04-02 04:03:42,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:42,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:43,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:43,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:43,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:03:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:43,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:03:43,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:03:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:03:43,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 04:03:43,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:03:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:03:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:03:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:43,750 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:43,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:43,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153232582] [2023-04-02 04:03:43,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153232582] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:43,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:43,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:03:43,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265397167] [2023-04-02 04:03:43,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:43,751 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:03:43,751 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:43,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:03:43,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:03:43,752 INFO L87 Difference]: Start difference. First operand 878 states and 1260 transitions. Second operand has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:03:57,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:03:57,989 INFO L93 Difference]: Finished difference Result 3260 states and 5399 transitions. [2023-04-02 04:03:57,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 04:03:57,990 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 179 [2023-04-02 04:03:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:03:58,001 INFO L225 Difference]: With dead ends: 3260 [2023-04-02 04:03:58,001 INFO L226 Difference]: Without dead ends: 2462 [2023-04-02 04:03:58,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2023-04-02 04:03:58,005 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3583 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 9183 mSolverCounterSat, 2009 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3586 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 11192 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2009 IncrementalHoareTripleChecker+Valid, 9183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:03:58,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3586 Valid, 94 Invalid, 11192 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2009 Valid, 9183 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 04:03:58,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2462 states. [2023-04-02 04:03:58,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2462 to 883. [2023-04-02 04:03:58,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 611 states have (on average 1.474631751227496) internal successors, (901), 620 states have internal predecessors, (901), 183 states have call successors, (183), 89 states have call predecessors, (183), 88 states have return successors, (182), 179 states have call predecessors, (182), 178 states have call successors, (182) [2023-04-02 04:03:58,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1266 transitions. [2023-04-02 04:03:58,645 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1266 transitions. Word has length 179 [2023-04-02 04:03:58,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:03:58,646 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1266 transitions. [2023-04-02 04:03:58,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:03:58,646 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1266 transitions. [2023-04-02 04:03:58,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-04-02 04:03:58,649 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:03:58,649 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:03:58,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 04:03:58,649 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:03:58,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:03:58,649 INFO L85 PathProgramCache]: Analyzing trace with hash -950306174, now seen corresponding path program 1 times [2023-04-02 04:03:58,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:03:58,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089521299] [2023-04-02 04:03:58,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:03:58,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:03:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:59,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:59,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:03:59,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:03:59,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:03:59,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:03:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:03:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:03:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:03:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 04:03:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:03:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 04:03:59,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:03:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 04:03:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:03:59,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 04:03:59,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 04:03:59,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 04:03:59,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 04:03:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 04:03:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:03:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:03:59,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:03:59,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089521299] [2023-04-02 04:03:59,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089521299] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:03:59,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:03:59,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:03:59,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827594034] [2023-04-02 04:03:59,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:03:59,538 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:03:59,538 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:03:59,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:03:59,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:03:59,540 INFO L87 Difference]: Start difference. First operand 883 states and 1266 transitions. Second operand has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:04:15,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:15,785 INFO L93 Difference]: Finished difference Result 3258 states and 5396 transitions. [2023-04-02 04:04:15,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 04:04:15,786 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 179 [2023-04-02 04:04:15,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:15,797 INFO L225 Difference]: With dead ends: 3258 [2023-04-02 04:04:15,797 INFO L226 Difference]: Without dead ends: 2460 [2023-04-02 04:04:15,801 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 809 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=736, Invalid=2686, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 04:04:15,802 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5726 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9246 mSolverCounterSat, 3033 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5729 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3033 IncrementalHoareTripleChecker+Valid, 9246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:15,802 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5729 Valid, 88 Invalid, 12279 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3033 Valid, 9246 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-04-02 04:04:15,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2460 states. [2023-04-02 04:04:16,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2460 to 878. [2023-04-02 04:04:16,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 609 states have (on average 1.4761904761904763) internal successors, (899), 617 states have internal predecessors, (899), 182 states have call successors, (182), 89 states have call predecessors, (182), 86 states have return successors, (178), 177 states have call predecessors, (178), 177 states have call successors, (178) [2023-04-02 04:04:16,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1259 transitions. [2023-04-02 04:04:16,579 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1259 transitions. Word has length 179 [2023-04-02 04:04:16,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:16,579 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1259 transitions. [2023-04-02 04:04:16,579 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.0588235294117645) internal successors, (103), 9 states have internal predecessors, (103), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:04:16,579 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1259 transitions. [2023-04-02 04:04:16,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 04:04:16,582 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:16,582 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:16,582 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 04:04:16,582 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:16,583 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:16,583 INFO L85 PathProgramCache]: Analyzing trace with hash -924850704, now seen corresponding path program 2 times [2023-04-02 04:04:16,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:16,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233160557] [2023-04-02 04:04:16,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:16,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:17,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 04:04:17,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 04:04:17,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:17,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:04:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:17,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:04:17,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:04:17,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:04:17,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 04:04:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 04:04:17,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:04:17,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:17,459 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233160557] [2023-04-02 04:04:17,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233160557] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:17,459 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:17,459 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:04:17,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186956549] [2023-04-02 04:04:17,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:17,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:04:17,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:17,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:04:17,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:04:17,461 INFO L87 Difference]: Start difference. First operand 878 states and 1259 transitions. Second operand has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:04:32,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:32,381 INFO L93 Difference]: Finished difference Result 3264 states and 5405 transitions. [2023-04-02 04:04:32,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-04-02 04:04:32,382 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 180 [2023-04-02 04:04:32,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:32,391 INFO L225 Difference]: With dead ends: 3264 [2023-04-02 04:04:32,392 INFO L226 Difference]: Without dead ends: 2466 [2023-04-02 04:04:32,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=587, Invalid=2275, Unknown=0, NotChecked=0, Total=2862 [2023-04-02 04:04:32,395 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3707 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9348 mSolverCounterSat, 1930 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3710 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 11278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1930 IncrementalHoareTripleChecker+Valid, 9348 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.2s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:32,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3710 Valid, 90 Invalid, 11278 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1930 Valid, 9348 Invalid, 0 Unknown, 0 Unchecked, 9.2s Time] [2023-04-02 04:04:32,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2023-04-02 04:04:33,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 885. [2023-04-02 04:04:33,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 612 states have (on average 1.473856209150327) internal successors, (902), 622 states have internal predecessors, (902), 183 states have call successors, (183), 89 states have call predecessors, (183), 89 states have return successors, (184), 179 states have call predecessors, (184), 178 states have call successors, (184) [2023-04-02 04:04:33,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1269 transitions. [2023-04-02 04:04:33,089 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1269 transitions. Word has length 180 [2023-04-02 04:04:33,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:33,089 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1269 transitions. [2023-04-02 04:04:33,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:04:33,090 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1269 transitions. [2023-04-02 04:04:33,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 04:04:33,092 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:33,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:33,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 04:04:33,093 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:33,093 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:33,093 INFO L85 PathProgramCache]: Analyzing trace with hash -453494354, now seen corresponding path program 2 times [2023-04-02 04:04:33,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:33,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789984407] [2023-04-02 04:04:33,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:33,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:33,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:33,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:33,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:33,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:33,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 04:04:33,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:33,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 04:04:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:33,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:04:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:04:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:04:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:04:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 04:04:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 04:04:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:33,958 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-04-02 04:04:33,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:33,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789984407] [2023-04-02 04:04:33,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1789984407] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:33,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:33,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 04:04:33,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74742189] [2023-04-02 04:04:33,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:33,959 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 04:04:33,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:33,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 04:04:33,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 04:04:33,960 INFO L87 Difference]: Start difference. First operand 885 states and 1269 transitions. Second operand has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:04:50,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:04:50,357 INFO L93 Difference]: Finished difference Result 3266 states and 5407 transitions. [2023-04-02 04:04:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 04:04:50,357 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 180 [2023-04-02 04:04:50,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:04:50,366 INFO L225 Difference]: With dead ends: 3266 [2023-04-02 04:04:50,366 INFO L226 Difference]: Without dead ends: 2466 [2023-04-02 04:04:50,368 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 807 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=736, Invalid=2686, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 04:04:50,368 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5970 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9158 mSolverCounterSat, 3125 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5973 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 12283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3125 IncrementalHoareTripleChecker+Valid, 9158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-02 04:04:50,369 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5973 Valid, 88 Invalid, 12283 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3125 Valid, 9158 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-04-02 04:04:50,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2023-04-02 04:04:51,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 880. [2023-04-02 04:04:51,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 610 states have (on average 1.4754098360655739) internal successors, (900), 619 states have internal predecessors, (900), 182 states have call successors, (182), 89 states have call predecessors, (182), 87 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 04:04:51,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1262 transitions. [2023-04-02 04:04:51,095 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1262 transitions. Word has length 180 [2023-04-02 04:04:51,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:04:51,095 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1262 transitions. [2023-04-02 04:04:51,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.117647058823529) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (39), 12 states have call predecessors, (39), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-04-02 04:04:51,095 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1262 transitions. [2023-04-02 04:04:51,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 04:04:51,098 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:04:51,098 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:04:51,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 04:04:51,098 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:04:51,098 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:04:51,099 INFO L85 PathProgramCache]: Analyzing trace with hash -486107045, now seen corresponding path program 1 times [2023-04-02 04:04:51,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:04:51,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020930494] [2023-04-02 04:04:51,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:04:51,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:04:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:04:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:04:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:04:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:04:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:04:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:04:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:04:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:04:51,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:04:51,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:04:51,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:04:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:04:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:04:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:04:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 04:04:51,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:04:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:04:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 04:04:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:04:51,961 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:04:51,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:04:51,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020930494] [2023-04-02 04:04:51,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020930494] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:04:51,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:04:51,962 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-04-02 04:04:51,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654860156] [2023-04-02 04:04:51,962 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:04:51,962 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:04:51,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:04:51,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:04:51,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=224, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:04:51,963 INFO L87 Difference]: Start difference. First operand 880 states and 1262 transitions. Second operand has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (39), 13 states have call predecessors, (39), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 04:05:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:03,862 INFO L93 Difference]: Finished difference Result 3251 states and 5406 transitions. [2023-04-02 04:05:03,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-02 04:05:03,863 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (39), 13 states have call predecessors, (39), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) Word has length 181 [2023-04-02 04:05:03,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:03,874 INFO L225 Difference]: With dead ends: 3251 [2023-04-02 04:05:03,874 INFO L226 Difference]: Without dead ends: 2458 [2023-04-02 04:05:03,877 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=402, Invalid=1158, Unknown=0, NotChecked=0, Total=1560 [2023-04-02 04:05:03,878 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4571 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 5255 mSolverCounterSat, 2427 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4571 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 7682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2427 IncrementalHoareTripleChecker+Valid, 5255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:03,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4571 Valid, 47 Invalid, 7682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2427 Valid, 5255 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2023-04-02 04:05:03,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2458 states. [2023-04-02 04:05:04,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2458 to 880. [2023-04-02 04:05:04,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 880 states, 610 states have (on average 1.4737704918032788) internal successors, (899), 619 states have internal predecessors, (899), 182 states have call successors, (182), 89 states have call predecessors, (182), 87 states have return successors, (180), 177 states have call predecessors, (180), 177 states have call successors, (180) [2023-04-02 04:05:04,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1261 transitions. [2023-04-02 04:05:04,622 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1261 transitions. Word has length 181 [2023-04-02 04:05:04,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:04,623 INFO L495 AbstractCegarLoop]: Abstraction has 880 states and 1261 transitions. [2023-04-02 04:05:04,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 5.882352941176471) internal successors, (100), 7 states have internal predecessors, (100), 5 states have call successors, (39), 13 states have call predecessors, (39), 4 states have return successors, (29), 5 states have call predecessors, (29), 5 states have call successors, (29) [2023-04-02 04:05:04,623 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1261 transitions. [2023-04-02 04:05:04,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-04-02 04:05:04,626 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:04,626 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:04,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 04:05:04,626 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:04,626 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:04,626 INFO L85 PathProgramCache]: Analyzing trace with hash -734491125, now seen corresponding path program 1 times [2023-04-02 04:05:04,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:04,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496695539] [2023-04-02 04:05:04,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:04,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:05,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:05,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:05,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:05,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:05,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 04:05:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 04:05:05,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 04:05:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 04:05:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 04:05:05,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 04:05:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 04:05:05,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:05,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:05,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496695539] [2023-04-02 04:05:05,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496695539] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:05,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:05,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:05:05,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656473462] [2023-04-02 04:05:05,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:05,276 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:05:05,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:05,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:05:05,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:05,276 INFO L87 Difference]: Start difference. First operand 880 states and 1261 transitions. Second operand has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:05:15,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:15,829 INFO L93 Difference]: Finished difference Result 3502 states and 5859 transitions. [2023-04-02 04:05:15,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:05:15,829 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 180 [2023-04-02 04:05:15,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:15,838 INFO L225 Difference]: With dead ends: 3502 [2023-04-02 04:05:15,838 INFO L226 Difference]: Without dead ends: 2711 [2023-04-02 04:05:15,841 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:05:15,842 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4064 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 2656 mSolverCounterSat, 2077 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4107 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 4733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2077 IncrementalHoareTripleChecker+Valid, 2656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:15,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4107 Valid, 28 Invalid, 4733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2077 Valid, 2656 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-04-02 04:05:15,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2023-04-02 04:05:17,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 1180. [2023-04-02 04:05:17,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1180 states, 850 states have (on average 1.5094117647058825) internal successors, (1283), 859 states have internal predecessors, (1283), 242 states have call successors, (242), 89 states have call predecessors, (242), 87 states have return successors, (240), 237 states have call predecessors, (240), 237 states have call successors, (240) [2023-04-02 04:05:17,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 1180 states and 1765 transitions. [2023-04-02 04:05:17,052 INFO L78 Accepts]: Start accepts. Automaton has 1180 states and 1765 transitions. Word has length 180 [2023-04-02 04:05:17,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:17,052 INFO L495 AbstractCegarLoop]: Abstraction has 1180 states and 1765 transitions. [2023-04-02 04:05:17,052 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.583333333333334) internal successors, (103), 3 states have internal predecessors, (103), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:05:17,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1765 transitions. [2023-04-02 04:05:17,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 04:05:17,055 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:17,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:17,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 04:05:17,055 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:17,055 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:17,055 INFO L85 PathProgramCache]: Analyzing trace with hash -1822176620, now seen corresponding path program 1 times [2023-04-02 04:05:17,055 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:17,055 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545288536] [2023-04-02 04:05:17,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:17,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:17,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:17,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:17,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:17,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:17,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 04:05:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:17,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 04:05:17,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 04:05:17,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 04:05:17,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 04:05:17,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 04:05:17,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 04:05:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 04:05:17,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:17,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:17,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545288536] [2023-04-02 04:05:17,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545288536] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 04:05:17,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25507565] [2023-04-02 04:05:17,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:17,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:05:17,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 04:05:17,797 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 04:05:17,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-04-02 04:05:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:18,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 2400 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 04:05:18,190 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 04:05:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:18,217 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 04:05:18,399 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:18,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25507565] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 04:05:18,399 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 04:05:18,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 04:05:18,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019370679] [2023-04-02 04:05:18,400 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 04:05:18,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 04:05:18,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:18,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 04:05:18,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 04:05:18,402 INFO L87 Difference]: Start difference. First operand 1180 states and 1765 transitions. Second operand has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 7 states have internal predecessors, (160), 5 states have call successors, (71), 12 states have call predecessors, (71), 2 states have return successors, (41), 4 states have call predecessors, (41), 5 states have call successors, (41) [2023-04-02 04:05:38,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:05:38,774 INFO L93 Difference]: Finished difference Result 6741 states and 11957 transitions. [2023-04-02 04:05:38,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-04-02 04:05:38,775 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 7 states have internal predecessors, (160), 5 states have call successors, (71), 12 states have call predecessors, (71), 2 states have return successors, (41), 4 states have call predecessors, (41), 5 states have call successors, (41) Word has length 182 [2023-04-02 04:05:38,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:05:38,791 INFO L225 Difference]: With dead ends: 6741 [2023-04-02 04:05:38,791 INFO L226 Difference]: Without dead ends: 6413 [2023-04-02 04:05:38,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 460 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 520 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=597, Invalid=1473, Unknown=0, NotChecked=0, Total=2070 [2023-04-02 04:05:38,795 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3696 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 4051 mSolverCounterSat, 1539 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3736 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 5590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1539 IncrementalHoareTripleChecker+Valid, 4051 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-04-02 04:05:38,796 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3736 Valid, 32 Invalid, 5590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1539 Valid, 4051 Invalid, 0 Unknown, 0 Unchecked, 9.4s Time] [2023-04-02 04:05:38,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6413 states. [2023-04-02 04:05:41,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6413 to 1913. [2023-04-02 04:05:41,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1913 states, 1433 states have (on average 1.5157013258897418) internal successors, (2172), 1442 states have internal predecessors, (2172), 392 states have call successors, (392), 89 states have call predecessors, (392), 87 states have return successors, (390), 387 states have call predecessors, (390), 387 states have call successors, (390) [2023-04-02 04:05:41,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1913 states and 2954 transitions. [2023-04-02 04:05:41,297 INFO L78 Accepts]: Start accepts. Automaton has 1913 states and 2954 transitions. Word has length 182 [2023-04-02 04:05:41,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:05:41,297 INFO L495 AbstractCegarLoop]: Abstraction has 1913 states and 2954 transitions. [2023-04-02 04:05:41,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 9.411764705882353) internal successors, (160), 7 states have internal predecessors, (160), 5 states have call successors, (71), 12 states have call predecessors, (71), 2 states have return successors, (41), 4 states have call predecessors, (41), 5 states have call successors, (41) [2023-04-02 04:05:41,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 2954 transitions. [2023-04-02 04:05:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-04-02 04:05:41,304 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:05:41,304 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:05:41,321 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-04-02 04:05:41,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 04:05:41,514 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:05:41,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:05:41,514 INFO L85 PathProgramCache]: Analyzing trace with hash -964910115, now seen corresponding path program 1 times [2023-04-02 04:05:41,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:05:41,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584397416] [2023-04-02 04:05:41,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:05:41,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:05:41,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 04:05:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 04:05:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 04:05:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 04:05:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 04:05:42,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 04:05:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 04:05:42,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 04:05:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 04:05:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 04:05:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 04:05:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 04:05:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 04:05:42,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 04:05:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 04:05:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 04:05:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 04:05:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 04:05:42,200 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 04:05:42,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 04:05:42,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584397416] [2023-04-02 04:05:42,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584397416] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 04:05:42,200 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 04:05:42,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 04:05:42,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704329306] [2023-04-02 04:05:42,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 04:05:42,202 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 04:05:42,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 04:05:42,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 04:05:42,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2023-04-02 04:05:42,203 INFO L87 Difference]: Start difference. First operand 1913 states and 2954 transitions. Second operand has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:06:00,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 04:06:00,162 INFO L93 Difference]: Finished difference Result 8546 states and 14938 transitions. [2023-04-02 04:06:00,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 04:06:00,163 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 181 [2023-04-02 04:06:00,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 04:06:00,186 INFO L225 Difference]: With dead ends: 8546 [2023-04-02 04:06:00,186 INFO L226 Difference]: Without dead ends: 6933 [2023-04-02 04:06:00,196 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=211, Invalid=439, Unknown=0, NotChecked=0, Total=650 [2023-04-02 04:06:00,197 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2372 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2894 mSolverCounterSat, 1016 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2415 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 3910 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1016 IncrementalHoareTripleChecker+Valid, 2894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-04-02 04:06:00,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2415 Valid, 32 Invalid, 3910 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1016 Valid, 2894 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-04-02 04:06:00,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2023-04-02 04:06:04,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 2751. [2023-04-02 04:06:04,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2751 states, 2109 states have (on average 1.5196775723091513) internal successors, (3205), 2118 states have internal predecessors, (3205), 554 states have call successors, (554), 89 states have call predecessors, (554), 87 states have return successors, (552), 549 states have call predecessors, (552), 549 states have call successors, (552) [2023-04-02 04:06:04,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2751 states to 2751 states and 4311 transitions. [2023-04-02 04:06:04,192 INFO L78 Accepts]: Start accepts. Automaton has 2751 states and 4311 transitions. Word has length 181 [2023-04-02 04:06:04,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 04:06:04,192 INFO L495 AbstractCegarLoop]: Abstraction has 2751 states and 4311 transitions. [2023-04-02 04:06:04,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.666666666666666) internal successors, (104), 3 states have internal predecessors, (104), 2 states have call successors, (37), 11 states have call predecessors, (37), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-04-02 04:06:04,193 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 4311 transitions. [2023-04-02 04:06:04,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-04-02 04:06:04,200 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 04:06:04,200 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 04:06:04,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 04:06:04,201 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 04:06:04,201 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 04:06:04,201 INFO L85 PathProgramCache]: Analyzing trace with hash -793614274, now seen corresponding path program 1 times [2023-04-02 04:06:04,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 04:06:04,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237727951] [2023-04-02 04:06:04,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 04:06:04,201 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 04:06:04,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat