/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_spec27_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:29:35,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:29:35,995 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:29:36,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:29:36,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:29:36,038 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:29:36,039 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:29:36,043 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:29:36,046 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:29:36,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:29:36,053 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:29:36,055 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:29:36,055 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:29:36,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:29:36,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:29:36,063 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:29:36,064 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:29:36,065 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:29:36,067 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:29:36,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:29:36,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:29:36,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:29:36,076 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:29:36,077 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:29:36,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:29:36,085 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:29:36,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:29:36,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:29:36,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:29:36,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:29:36,088 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:29:36,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:29:36,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:29:36,090 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:29:36,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:29:36,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:29:36,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:29:36,092 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:29:36,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:29:36,093 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:29:36,094 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:29:36,095 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 03:29:36,130 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:29:36,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:29:36,131 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:29:36,131 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:29:36,132 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:29:36,132 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:29:36,132 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:29:36,132 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:29:36,133 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:29:36,133 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:29:36,133 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:29:36,133 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:29:36,133 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:29:36,133 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:29:36,133 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:29:36,134 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:29:36,134 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:29:36,135 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:29:36,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:29:36,135 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:29:36,135 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:29:36,135 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:29:36,135 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:29:36,135 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:29:36,136 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:29:36,136 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:29:36,136 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:29:36,136 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:29:36,136 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:29:36,136 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:29:36,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:29:36,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:29:36,387 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:29:36,388 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:29:36,389 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:29:36,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2023-04-02 03:29:37,561 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:29:37,845 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:29:37,846 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec27_product13.cil.c [2023-04-02 03:29:37,862 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5773bd3d/d305e27231744628b9c6e28203840fc4/FLAG00cd9c98b [2023-04-02 03:29:37,873 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b5773bd3d/d305e27231744628b9c6e28203840fc4 [2023-04-02 03:29:37,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:29:37,877 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:29:37,878 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:29:37,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:29:37,883 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:29:37,884 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:29:37" (1/1) ... [2023-04-02 03:29:37,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4be2263a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:37, skipping insertion in model container [2023-04-02 03:29:37,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:29:37" (1/1) ... [2023-04-02 03:29:37,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:29:37,956 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:29:38,469 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_spec27_product13.cil.c[61687,61700] [2023-04-02 03:29:38,473 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:29:38,494 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:29:38,626 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_spec27_product13.cil.c[61687,61700] [2023-04-02 03:29:38,627 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:29:38,649 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:29:38,656 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:29:38,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38 WrapperNode [2023-04-02 03:29:38,657 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:29:38,658 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:29:38,658 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:29:38,658 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:29:38,669 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,669 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,804 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:29:38,825 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:29:38,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:29:38,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:29:38,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (1/1) ... [2023-04-02 03:29:38,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:29:38,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:29:38,859 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 03:29:38,885 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 03:29:38,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:29:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:29:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:29:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:29:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:29:38,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:29:38,906 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:29:38,907 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:29:38,908 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:29:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:29:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:29:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:29:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:29:38,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:29:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:29:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:29:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:29:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:29:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:29:38,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:29:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:29:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:29:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:29:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:29:38,911 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:29:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:29:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:29:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:29:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:29:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:29:38,912 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:29:38,913 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:29:38,914 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:29:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:29:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:29:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:29:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:29:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:29:38,915 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:29:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:29:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:29:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2023-04-02 03:29:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:29:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:29:38,916 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:29:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:29:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:29:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:29:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:29:38,917 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:29:38,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:29:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:29:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:29:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:29:38,919 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:29:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:29:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:29:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:29:38,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:29:38,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:29:38,921 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:29:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:29:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:29:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:29:38,922 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:29:38,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:29:38,926 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:29:38,931 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:29:38,932 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:29:38,933 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:29:38,934 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:29:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:29:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:29:38,937 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:29:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:29:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:29:39,235 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:29:39,239 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:29:40,437 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:29:40,459 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:29:40,459 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:29:40,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:29:40 BoogieIcfgContainer [2023-04-02 03:29:40,463 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:29:40,466 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:29:40,466 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:29:40,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:29:40,470 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:29:37" (1/3) ... [2023-04-02 03:29:40,470 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba7f288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:29:40, skipping insertion in model container [2023-04-02 03:29:40,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:29:38" (2/3) ... [2023-04-02 03:29:40,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ba7f288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:29:40, skipping insertion in model container [2023-04-02 03:29:40,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:29:40" (3/3) ... [2023-04-02 03:29:40,482 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2023-04-02 03:29:40,500 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:29:40,501 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:29:40,578 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:29:40,586 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;@346857ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:29:40,587 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:29:40,596 INFO L276 IsEmpty]: Start isEmpty. Operand has 449 states, 289 states have (on average 1.4186851211072664) internal successors, (410), 295 states have internal predecessors, (410), 91 states have call successors, (91), 61 states have call predecessors, (91), 61 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) [2023-04-02 03:29:40,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-04-02 03:29:40,631 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:40,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:29:40,633 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:40,638 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:40,639 INFO L85 PathProgramCache]: Analyzing trace with hash -932219334, now seen corresponding path program 1 times [2023-04-02 03:29:40,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:40,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683644650] [2023-04-02 03:29:40,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:41,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:29:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:29:41,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:29:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:29:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:41,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:29:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:41,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:41,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:29:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:29:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:29:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:29:42,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:29:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:29:42,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:29:42,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:29:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:42,097 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 03:29:42,098 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:29:42,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683644650] [2023-04-02 03:29:42,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683644650] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:29:42,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:29:42,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:29:42,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982917414] [2023-04-02 03:29:42,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:29:42,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:29:42,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:29:42,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:29:42,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:29:42,152 INFO L87 Difference]: Start difference. First operand has 449 states, 289 states have (on average 1.4186851211072664) internal successors, (410), 295 states have internal predecessors, (410), 91 states have call successors, (91), 61 states have call predecessors, (91), 61 states have return successors, (91), 91 states have call predecessors, (91), 91 states have call successors, (91) Second operand has 12 states, 12 states have (on average 7.5) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:29:53,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:29:53,570 INFO L93 Difference]: Finished difference Result 1292 states and 2018 transitions. [2023-04-02 03:29:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2023-04-02 03:29:53,572 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 177 [2023-04-02 03:29:53,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:29:53,590 INFO L225 Difference]: With dead ends: 1292 [2023-04-02 03:29:53,590 INFO L226 Difference]: Without dead ends: 798 [2023-04-02 03:29:53,600 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2357 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2023-04-02 03:29:53,602 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1325 mSDsluCounter, 233 mSDsCounter, 0 mSdLazyCounter, 2361 mSolverCounterSat, 678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1353 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 3039 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 678 IncrementalHoareTripleChecker+Valid, 2361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:29:53,603 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1353 Valid, 244 Invalid, 3039 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [678 Valid, 2361 Invalid, 0 Unknown, 0 Unchecked, 8.8s Time] [2023-04-02 03:29:53,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2023-04-02 03:29:53,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 409. [2023-04-02 03:29:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 269 states have (on average 1.4312267657992566) internal successors, (385), 272 states have internal predecessors, (385), 82 states have call successors, (82), 61 states have call predecessors, (82), 57 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-04-02 03:29:53,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2023-04-02 03:29:53,951 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 177 [2023-04-02 03:29:53,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:29:53,956 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2023-04-02 03:29:53,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 7.5) internal successors, (90), 2 states have internal predecessors, (90), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:29:53,957 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2023-04-02 03:29:53,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2023-04-02 03:29:53,960 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:53,961 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:29:53,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:29:53,961 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:53,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:53,962 INFO L85 PathProgramCache]: Analyzing trace with hash 1235719304, now seen corresponding path program 1 times [2023-04-02 03:29:53,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:53,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [252634702] [2023-04-02 03:29:53,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:53,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:54,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:54,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:54,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:29:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:29:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:29:54,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:54,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:54,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:54,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:54,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:54,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:29:55,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:55,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:29:55,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:55,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:29:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:29:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:29:55,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:29:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:29:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:55,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:29:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:29:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:29:55,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,168 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 03:29:55,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:29:55,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [252634702] [2023-04-02 03:29:55,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [252634702] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:29:55,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [795693248] [2023-04-02 03:29:55,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:55,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:29:55,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:29:55,189 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 03:29:55,211 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 03:29:55,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:55,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 2036 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:29:55,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:29:55,674 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 03:29:55,675 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:29:55,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [795693248] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:29:55,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:29:55,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:29:55,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136387325] [2023-04-02 03:29:55,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:29:55,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:29:55,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:29:55,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:29:55,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:29:55,678 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:29:56,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:29:56,005 INFO L93 Difference]: Finished difference Result 600 states and 782 transitions. [2023-04-02 03:29:56,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:29:56,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 178 [2023-04-02 03:29:56,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:29:56,011 INFO L225 Difference]: With dead ends: 600 [2023-04-02 03:29:56,011 INFO L226 Difference]: Without dead ends: 412 [2023-04-02 03:29:56,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 226 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:29:56,017 INFO L413 NwaCegarLoop]: 542 mSDtfsCounter, 1 mSDsluCounter, 540 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1082 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 03:29:56,017 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1082 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:29:56,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2023-04-02 03:29:56,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 411. [2023-04-02 03:29:56,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 271 states have (on average 1.4280442804428044) internal successors, (387), 274 states have internal predecessors, (387), 82 states have call successors, (82), 61 states have call predecessors, (82), 57 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-04-02 03:29:56,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 546 transitions. [2023-04-02 03:29:56,307 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 546 transitions. Word has length 178 [2023-04-02 03:29:56,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:29:56,309 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 546 transitions. [2023-04-02 03:29:56,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 30.333333333333332) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:29:56,309 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 546 transitions. [2023-04-02 03:29:56,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-04-02 03:29:56,315 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:56,315 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:29:56,327 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 03:29:56,523 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 03:29:56,523 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:56,524 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:56,524 INFO L85 PathProgramCache]: Analyzing trace with hash -1752733740, now seen corresponding path program 1 times [2023-04-02 03:29:56,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:56,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615946200] [2023-04-02 03:29:56,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:56,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:56,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:57,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:29:57,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:29:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:29:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:29:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:57,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:29:57,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:29:57,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:29:57,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:29:57,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:29:57,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:29:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:57,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:29:57,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:29:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:29:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:57,696 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 03:29:57,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:29:57,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615946200] [2023-04-02 03:29:57,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615946200] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:29:57,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721875240] [2023-04-02 03:29:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:57,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:29:57,701 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:29:57,702 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 03:29:57,734 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 03:29:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:58,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 2048 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:29:58,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:29:58,205 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 03:29:58,205 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:29:58,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721875240] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:29:58,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:29:58,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:29:58,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570988953] [2023-04-02 03:29:58,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:29:58,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:29:58,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:29:58,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:29:58,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:29:58,208 INFO L87 Difference]: Start difference. First operand 411 states and 546 transitions. Second operand has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:29:58,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:29:58,506 INFO L93 Difference]: Finished difference Result 796 states and 1087 transitions. [2023-04-02 03:29:58,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:29:58,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 184 [2023-04-02 03:29:58,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:29:58,509 INFO L225 Difference]: With dead ends: 796 [2023-04-02 03:29:58,509 INFO L226 Difference]: Without dead ends: 450 [2023-04-02 03:29:58,510 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:29:58,511 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 51 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1086 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 03:29:58,511 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1086 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:29:58,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2023-04-02 03:29:58,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 449. [2023-04-02 03:29:58,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 302 states have (on average 1.4536423841059603) internal successors, (439), 305 states have internal predecessors, (439), 89 states have call successors, (89), 61 states have call predecessors, (89), 57 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-04-02 03:29:58,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 612 transitions. [2023-04-02 03:29:58,780 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 612 transitions. Word has length 184 [2023-04-02 03:29:58,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:29:58,780 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 612 transitions. [2023-04-02 03:29:58,781 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.333333333333336) internal successors, (97), 3 states have internal predecessors, (97), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:29:58,781 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 612 transitions. [2023-04-02 03:29:58,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-04-02 03:29:58,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:29:58,784 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:29:58,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-04-02 03:29:58,992 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 03:29:58,993 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:29:58,993 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:29:58,993 INFO L85 PathProgramCache]: Analyzing trace with hash -964186972, now seen corresponding path program 1 times [2023-04-02 03:29:58,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:29:58,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699833532] [2023-04-02 03:29:58,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:29:58,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:29:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:29:59,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:29:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:29:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:29:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:29:59,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:29:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:29:59,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:29:59,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:29:59,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:29:59,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:29:59,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:30:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:30:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:30:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:30:00,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:30:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:30:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:30:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:30:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,067 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 03:30:00,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:00,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699833532] [2023-04-02 03:30:00,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699833532] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:30:00,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1058614366] [2023-04-02 03:30:00,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:00,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:30:00,073 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:30:00,074 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 03:30:00,077 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 03:30:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:00,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 2053 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:30:00,509 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:30:00,728 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 03:30:00,728 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:30:00,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1058614366] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:00,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:30:00,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-04-02 03:30:00,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229941573] [2023-04-02 03:30:00,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:00,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:30:00,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:00,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:30:00,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:30:00,731 INFO L87 Difference]: Start difference. First operand 449 states and 612 transitions. Second operand has 9 states, 7 states have (on average 15.571428571428571) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-04-02 03:30:01,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:01,622 INFO L93 Difference]: Finished difference Result 876 states and 1204 transitions. [2023-04-02 03:30:01,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:30:01,623 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 15.571428571428571) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 185 [2023-04-02 03:30:01,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:01,626 INFO L225 Difference]: With dead ends: 876 [2023-04-02 03:30:01,626 INFO L226 Difference]: Without dead ends: 463 [2023-04-02 03:30:01,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:30:01,628 INFO L413 NwaCegarLoop]: 549 mSDtfsCounter, 499 mSDsluCounter, 2494 mSDsCounter, 0 mSdLazyCounter, 909 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 507 SdHoareTripleChecker+Valid, 3043 SdHoareTripleChecker+Invalid, 911 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 909 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:01,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [507 Valid, 3043 Invalid, 911 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 909 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-04-02 03:30:01,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2023-04-02 03:30:01,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 463. [2023-04-02 03:30:01,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 313 states have (on average 1.4568690095846646) internal successors, (456), 317 states have internal predecessors, (456), 89 states have call successors, (89), 63 states have call predecessors, (89), 60 states have return successors, (85), 84 states have call predecessors, (85), 84 states have call successors, (85) [2023-04-02 03:30:01,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 630 transitions. [2023-04-02 03:30:01,963 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 630 transitions. Word has length 185 [2023-04-02 03:30:01,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:01,964 INFO L495 AbstractCegarLoop]: Abstraction has 463 states and 630 transitions. [2023-04-02 03:30:01,964 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 15.571428571428571) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-04-02 03:30:01,964 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 630 transitions. [2023-04-02 03:30:01,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-04-02 03:30:01,967 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:01,967 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:30:01,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-04-02 03:30:02,176 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 03:30:02,177 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:02,177 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:02,177 INFO L85 PathProgramCache]: Analyzing trace with hash -1890218398, now seen corresponding path program 1 times [2023-04-02 03:30:02,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:02,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377866905] [2023-04-02 03:30:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:02,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:02,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:02,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:30:02,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:30:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:02,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:02,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:02,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:02,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:02,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:30:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:30:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:30:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:30:03,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:30:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:30:03,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:30:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:03,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:30:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:30:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:30:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,184 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 03:30:03,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:03,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377866905] [2023-04-02 03:30:03,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [377866905] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:30:03,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876634724] [2023-04-02 03:30:03,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:03,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:30:03,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:30:03,189 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 03:30:03,192 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 03:30:03,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:03,628 INFO L262 TraceCheckSpWp]: Trace formula consists of 2054 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:30:03,636 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:30:03,802 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 03:30:03,802 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:30:03,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876634724] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:03,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:30:03,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-04-02 03:30:03,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834038491] [2023-04-02 03:30:03,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:03,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:30:03,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:03,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:30:03,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:30:03,805 INFO L87 Difference]: Start difference. First operand 463 states and 630 transitions. Second operand has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-04-02 03:30:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:04,546 INFO L93 Difference]: Finished difference Result 877 states and 1208 transitions. [2023-04-02 03:30:04,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:30:04,547 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) Word has length 186 [2023-04-02 03:30:04,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:04,551 INFO L225 Difference]: With dead ends: 877 [2023-04-02 03:30:04,551 INFO L226 Difference]: Without dead ends: 465 [2023-04-02 03:30:04,552 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:30:04,552 INFO L413 NwaCegarLoop]: 548 mSDtfsCounter, 501 mSDsluCounter, 1497 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 509 SdHoareTripleChecker+Valid, 2045 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:04,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [509 Valid, 2045 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 03:30:04,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2023-04-02 03:30:04,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 465. [2023-04-02 03:30:04,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 314 states have (on average 1.4554140127388535) internal successors, (457), 319 states have internal predecessors, (457), 89 states have call successors, (89), 63 states have call predecessors, (89), 61 states have return successors, (87), 84 states have call predecessors, (87), 84 states have call successors, (87) [2023-04-02 03:30:04,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 633 transitions. [2023-04-02 03:30:04,791 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 633 transitions. Word has length 186 [2023-04-02 03:30:04,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:04,792 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 633 transitions. [2023-04-02 03:30:04,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 18.333333333333332) internal successors, (110), 7 states have internal predecessors, (110), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (30), 5 states have call predecessors, (30), 4 states have call successors, (30) [2023-04-02 03:30:04,792 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 633 transitions. [2023-04-02 03:30:04,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2023-04-02 03:30:04,795 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:04,795 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, 1, 1, 1, 1, 1] [2023-04-02 03:30:04,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-02 03:30:05,004 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 03:30:05,005 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:05,005 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:05,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1615114983, now seen corresponding path program 1 times [2023-04-02 03:30:05,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:05,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180316559] [2023-04-02 03:30:05,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:05,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:05,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:30:05,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:30:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:05,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:30:05,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:30:05,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:05,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:30:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:30:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:30:05,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:05,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:30:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:06,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:30:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:06,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:06,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:30:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:06,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:30:06,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:06,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:30:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:06,011 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 03:30:06,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:06,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180316559] [2023-04-02 03:30:06,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180316559] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:06,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:06,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:30:06,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111046654] [2023-04-02 03:30:06,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:06,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:30:06,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:06,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:30:06,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:30:06,013 INFO L87 Difference]: Start difference. First operand 465 states and 633 transitions. Second operand has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-04-02 03:30:16,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:16,898 INFO L93 Difference]: Finished difference Result 1356 states and 1988 transitions. [2023-04-02 03:30:16,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 03:30:16,905 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 187 [2023-04-02 03:30:16,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:16,911 INFO L225 Difference]: With dead ends: 1356 [2023-04-02 03:30:16,911 INFO L226 Difference]: Without dead ends: 950 [2023-04-02 03:30:16,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 828 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:30:16,915 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4380 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 6210 mSolverCounterSat, 2113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4383 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 8323 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2113 IncrementalHoareTripleChecker+Valid, 6210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:16,915 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4383 Valid, 81 Invalid, 8323 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2113 Valid, 6210 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 03:30:16,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 950 states. [2023-04-02 03:30:17,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 950 to 475. [2023-04-02 03:30:17,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 323 states have (on average 1.4520123839009287) internal successors, (469), 327 states have internal predecessors, (469), 89 states have call successors, (89), 65 states have call predecessors, (89), 62 states have return successors, (86), 84 states have call predecessors, (86), 84 states have call successors, (86) [2023-04-02 03:30:17,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 644 transitions. [2023-04-02 03:30:17,169 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 644 transitions. Word has length 187 [2023-04-02 03:30:17,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:17,169 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 644 transitions. [2023-04-02 03:30:17,169 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5) internal successors, (104), 9 states have internal predecessors, (104), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-04-02 03:30:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 644 transitions. [2023-04-02 03:30:17,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2023-04-02 03:30:17,172 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:17,172 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:30:17,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:30:17,172 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:17,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:17,173 INFO L85 PathProgramCache]: Analyzing trace with hash 565570923, now seen corresponding path program 2 times [2023-04-02 03:30:17,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:17,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685483218] [2023-04-02 03:30:17,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:17,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:17,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:30:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:30:17,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:17,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:30:17,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:17,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:30:18,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,040 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:18,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:30:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:30:18,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:30:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:30:18,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:30:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:30:18,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:30:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:30:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:18,118 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 03:30:18,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:18,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685483218] [2023-04-02 03:30:18,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [685483218] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:18,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:18,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:30:18,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811570559] [2023-04-02 03:30:18,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:18,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:30:18,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:18,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:30:18,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:30:18,121 INFO L87 Difference]: Start difference. First operand 475 states and 644 transitions. Second operand has 20 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:30:29,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:29,769 INFO L93 Difference]: Finished difference Result 1358 states and 1993 transitions. [2023-04-02 03:30:29,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:30:29,773 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 188 [2023-04-02 03:30:29,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:29,778 INFO L225 Difference]: With dead ends: 1358 [2023-04-02 03:30:29,779 INFO L226 Difference]: Without dead ends: 963 [2023-04-02 03:30:29,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=734, Invalid=3048, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:30:29,782 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3562 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7153 mSolverCounterSat, 1711 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3565 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 8864 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1711 IncrementalHoareTripleChecker+Valid, 7153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:29,782 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3565 Valid, 88 Invalid, 8864 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1711 Valid, 7153 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-04-02 03:30:29,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 963 states. [2023-04-02 03:30:30,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 963 to 480. [2023-04-02 03:30:30,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 325 states have (on average 1.4492307692307693) internal successors, (471), 330 states have internal predecessors, (471), 90 states have call successors, (90), 65 states have call predecessors, (90), 64 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2023-04-02 03:30:30,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 650 transitions. [2023-04-02 03:30:30,086 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 650 transitions. Word has length 188 [2023-04-02 03:30:30,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:30,087 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 650 transitions. [2023-04-02 03:30:30,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.352941176470588) internal successors, (108), 9 states have internal predecessors, (108), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:30:30,087 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 650 transitions. [2023-04-02 03:30:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-02 03:30:30,091 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:30,093 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:30:30,093 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:30:30,093 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:30,094 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:30,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1094563342, now seen corresponding path program 3 times [2023-04-02 03:30:30,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:30,094 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9662520] [2023-04-02 03:30:30,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:30,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:30,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:30,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:30:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:30,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:30:30,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:30,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:30,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:30:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:30:30,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:30,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:30,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:31,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:30:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:30:31,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:30:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:30:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:30:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:30:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:30:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:30:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:31,060 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 03:30:31,060 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:31,060 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9662520] [2023-04-02 03:30:31,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9662520] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:31,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:31,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:30:31,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782107010] [2023-04-02 03:30:31,061 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:31,061 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:30:31,061 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:31,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:30:31,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:30:31,062 INFO L87 Difference]: Start difference. First operand 480 states and 650 transitions. Second operand has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-04-02 03:30:41,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:41,904 INFO L93 Difference]: Finished difference Result 1354 states and 1984 transitions. [2023-04-02 03:30:41,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 03:30:41,908 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) Word has length 189 [2023-04-02 03:30:41,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:41,916 INFO L225 Difference]: With dead ends: 1354 [2023-04-02 03:30:41,916 INFO L226 Difference]: Without dead ends: 952 [2023-04-02 03:30:41,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=703, Invalid=2719, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:30:41,921 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3756 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 6372 mSolverCounterSat, 1853 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3759 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 8225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1853 IncrementalHoareTripleChecker+Valid, 6372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:41,921 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3759 Valid, 81 Invalid, 8225 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1853 Valid, 6372 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 03:30:41,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2023-04-02 03:30:42,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 475. [2023-04-02 03:30:42,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 323 states have (on average 1.4489164086687307) internal successors, (468), 327 states have internal predecessors, (468), 89 states have call successors, (89), 65 states have call predecessors, (89), 62 states have return successors, (86), 84 states have call predecessors, (86), 84 states have call successors, (86) [2023-04-02 03:30:42,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 643 transitions. [2023-04-02 03:30:42,169 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 643 transitions. Word has length 189 [2023-04-02 03:30:42,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:42,170 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 643 transitions. [2023-04-02 03:30:42,170 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 6.5625) internal successors, (105), 9 states have internal predecessors, (105), 6 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 6 states have call successors, (30) [2023-04-02 03:30:42,170 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 643 transitions. [2023-04-02 03:30:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-02 03:30:42,172 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:42,172 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:30:42,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:30:42,172 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:42,172 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:42,172 INFO L85 PathProgramCache]: Analyzing trace with hash -1480008610, now seen corresponding path program 1 times [2023-04-02 03:30:42,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:42,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351015947] [2023-04-02 03:30:42,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:42,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:30:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:30:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:42,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:30:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:42,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:30:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:30:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:30:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:30:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:30:43,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:30:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:30:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:30:43,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:30:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:43,172 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 03:30:43,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:43,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351015947] [2023-04-02 03:30:43,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351015947] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:43,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:43,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:30:43,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48627699] [2023-04-02 03:30:43,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:43,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:30:43,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:43,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:30:43,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:30:43,175 INFO L87 Difference]: Start difference. First operand 475 states and 643 transitions. Second operand has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:30:54,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:30:54,234 INFO L93 Difference]: Finished difference Result 1349 states and 1974 transitions. [2023-04-02 03:30:54,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 03:30:54,235 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 189 [2023-04-02 03:30:54,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:30:54,239 INFO L225 Difference]: With dead ends: 1349 [2023-04-02 03:30:54,239 INFO L226 Difference]: Without dead ends: 954 [2023-04-02 03:30:54,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=701, Invalid=2839, Unknown=0, NotChecked=0, Total=3540 [2023-04-02 03:30:54,241 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2630 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 7428 mSolverCounterSat, 1286 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2633 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 8714 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1286 IncrementalHoareTripleChecker+Valid, 7428 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:30:54,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2633 Valid, 92 Invalid, 8714 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1286 Valid, 7428 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 03:30:54,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 954 states. [2023-04-02 03:30:54,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 954 to 480. [2023-04-02 03:30:54,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 480 states, 325 states have (on average 1.4461538461538461) internal successors, (470), 330 states have internal predecessors, (470), 90 states have call successors, (90), 65 states have call predecessors, (90), 64 states have return successors, (89), 86 states have call predecessors, (89), 85 states have call successors, (89) [2023-04-02 03:30:54,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 649 transitions. [2023-04-02 03:30:54,515 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 649 transitions. Word has length 189 [2023-04-02 03:30:54,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:30:54,516 INFO L495 AbstractCegarLoop]: Abstraction has 480 states and 649 transitions. [2023-04-02 03:30:54,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:30:54,516 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 649 transitions. [2023-04-02 03:30:54,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-04-02 03:30:54,518 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:30:54,518 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, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:30:54,518 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:30:54,518 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:30:54,518 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:30:54,518 INFO L85 PathProgramCache]: Analyzing trace with hash -991961504, now seen corresponding path program 1 times [2023-04-02 03:30:54,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:30:54,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738286751] [2023-04-02 03:30:54,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:30:54,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:30:54,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:30:55,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:30:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:55,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:30:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:30:55,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:30:55,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:30:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:30:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:30:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:30:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:30:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:30:55,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:30:55,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:30:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:30:55,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:30:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:30:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:30:55,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:30:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:30:55,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:30:55,427 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 03:30:55,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:30:55,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738286751] [2023-04-02 03:30:55,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738286751] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:30:55,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:30:55,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:30:55,428 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589750318] [2023-04-02 03:30:55,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:30:55,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:30:55,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:30:55,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:30:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:30:55,429 INFO L87 Difference]: Start difference. First operand 480 states and 649 transitions. Second operand has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:31:08,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:08,952 INFO L93 Difference]: Finished difference Result 1347 states and 1971 transitions. [2023-04-02 03:31:08,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-04-02 03:31:08,952 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 189 [2023-04-02 03:31:08,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:08,956 INFO L225 Difference]: With dead ends: 1347 [2023-04-02 03:31:08,956 INFO L226 Difference]: Without dead ends: 952 [2023-04-02 03:31:08,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1099 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=867, Invalid=3293, Unknown=0, NotChecked=0, Total=4160 [2023-04-02 03:31:08,959 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1721 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 7378 mSolverCounterSat, 840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1724 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 8218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 840 IncrementalHoareTripleChecker+Valid, 7378 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:08,959 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1724 Valid, 94 Invalid, 8218 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [840 Valid, 7378 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 03:31:08,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 952 states. [2023-04-02 03:31:09,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 952 to 475. [2023-04-02 03:31:09,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 475 states, 323 states have (on average 1.4489164086687307) internal successors, (468), 327 states have internal predecessors, (468), 89 states have call successors, (89), 65 states have call predecessors, (89), 62 states have return successors, (85), 84 states have call predecessors, (85), 84 states have call successors, (85) [2023-04-02 03:31:09,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 642 transitions. [2023-04-02 03:31:09,238 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 642 transitions. Word has length 189 [2023-04-02 03:31:09,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:09,238 INFO L495 AbstractCegarLoop]: Abstraction has 475 states and 642 transitions. [2023-04-02 03:31:09,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.411764705882353) internal successors, (109), 9 states have internal predecessors, (109), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:31:09,238 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 642 transitions. [2023-04-02 03:31:09,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-02 03:31:09,240 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:09,240 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:31:09,240 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:31:09,241 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:09,241 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:09,241 INFO L85 PathProgramCache]: Analyzing trace with hash -83019425, now seen corresponding path program 2 times [2023-04-02 03:31:09,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:09,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156425124] [2023-04-02 03:31:09,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:09,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:09,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:09,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:09,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:31:09,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:31:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:09,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:09,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:09,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:31:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:09,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:10,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:31:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:10,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:31:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:10,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:31:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:31:10,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:31:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:31:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:31:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:31:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:31:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:10,164 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 03:31:10,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:10,165 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156425124] [2023-04-02 03:31:10,165 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156425124] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:10,165 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:10,165 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:31:10,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661846851] [2023-04-02 03:31:10,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:10,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:31:10,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:10,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:31:10,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:31:10,167 INFO L87 Difference]: Start difference. First operand 475 states and 642 transitions. Second operand has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:31:21,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:21,291 INFO L93 Difference]: Finished difference Result 1353 states and 1980 transitions. [2023-04-02 03:31:21,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-04-02 03:31:21,292 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 190 [2023-04-02 03:31:21,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:21,296 INFO L225 Difference]: With dead ends: 1353 [2023-04-02 03:31:21,296 INFO L226 Difference]: Without dead ends: 958 [2023-04-02 03:31:21,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=701, Invalid=2839, Unknown=0, NotChecked=0, Total=3540 [2023-04-02 03:31:21,299 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2928 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 7089 mSolverCounterSat, 1481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2931 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8570 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1481 IncrementalHoareTripleChecker+Valid, 7089 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:21,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2931 Valid, 90 Invalid, 8570 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1481 Valid, 7089 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 03:31:21,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-04-02 03:31:21,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 482. [2023-04-02 03:31:21,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 482 states, 326 states have (on average 1.4447852760736197) internal successors, (471), 332 states have internal predecessors, (471), 90 states have call successors, (90), 65 states have call predecessors, (90), 65 states have return successors, (91), 86 states have call predecessors, (91), 85 states have call successors, (91) [2023-04-02 03:31:21,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 652 transitions. [2023-04-02 03:31:21,633 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 652 transitions. Word has length 190 [2023-04-02 03:31:21,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:21,633 INFO L495 AbstractCegarLoop]: Abstraction has 482 states and 652 transitions. [2023-04-02 03:31:21,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:31:21,634 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 652 transitions. [2023-04-02 03:31:21,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-04-02 03:31:21,635 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:21,636 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:31:21,636 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:31:21,636 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:21,636 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:21,636 INFO L85 PathProgramCache]: Analyzing trace with hash -2133428323, now seen corresponding path program 2 times [2023-04-02 03:31:21,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:21,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1115653744] [2023-04-02 03:31:21,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:21,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:22,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:22,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:31:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:31:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:22,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:22,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:31:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:31:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:31:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:31:22,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:31:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:31:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:31:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:31:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:31:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:31:22,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:22,547 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 03:31:22,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:22,547 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1115653744] [2023-04-02 03:31:22,547 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1115653744] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:22,547 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:22,547 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:31:22,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790403436] [2023-04-02 03:31:22,549 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:22,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:31:22,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:22,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:31:22,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:31:22,551 INFO L87 Difference]: Start difference. First operand 482 states and 652 transitions. Second operand has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:31:35,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:35,616 INFO L93 Difference]: Finished difference Result 1355 states and 1982 transitions. [2023-04-02 03:31:35,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-04-02 03:31:35,617 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) Word has length 190 [2023-04-02 03:31:35,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:35,621 INFO L225 Difference]: With dead ends: 1355 [2023-04-02 03:31:35,621 INFO L226 Difference]: Without dead ends: 958 [2023-04-02 03:31:35,624 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=867, Invalid=3293, Unknown=0, NotChecked=0, Total=4160 [2023-04-02 03:31:35,625 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2803 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 7399 mSolverCounterSat, 1370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2806 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 8769 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1370 IncrementalHoareTripleChecker+Valid, 7399 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:35,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2806 Valid, 90 Invalid, 8769 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1370 Valid, 7399 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 03:31:35,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2023-04-02 03:31:35,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 477. [2023-04-02 03:31:35,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 477 states, 324 states have (on average 1.4475308641975309) internal successors, (469), 329 states have internal predecessors, (469), 89 states have call successors, (89), 65 states have call predecessors, (89), 63 states have return successors, (87), 84 states have call predecessors, (87), 84 states have call successors, (87) [2023-04-02 03:31:35,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 645 transitions. [2023-04-02 03:31:35,919 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 645 transitions. Word has length 190 [2023-04-02 03:31:35,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:35,920 INFO L495 AbstractCegarLoop]: Abstraction has 477 states and 645 transitions. [2023-04-02 03:31:35,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.470588235294118) internal successors, (110), 9 states have internal predecessors, (110), 5 states have call successors, (42), 12 states have call predecessors, (42), 5 states have return successors, (30), 4 states have call predecessors, (30), 5 states have call successors, (30) [2023-04-02 03:31:35,920 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 645 transitions. [2023-04-02 03:31:35,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-04-02 03:31:35,922 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:35,922 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:31:35,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:31:35,922 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:35,922 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:35,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1163762919, now seen corresponding path program 1 times [2023-04-02 03:31:35,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:35,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118165082] [2023-04-02 03:31:35,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:35,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:35,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:31:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:31:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:36,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:36,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:31:36,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:31:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:31:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:31:36,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:31:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:31:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:31:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:31:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:31:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:31:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:36,685 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 03:31:36,685 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:36,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118165082] [2023-04-02 03:31:36,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118165082] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:31:36,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [568726235] [2023-04-02 03:31:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:31:36,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:31:36,688 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 03:31:36,689 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 03:31:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:37,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 2059 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:31:37,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:31:37,108 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 03:31:37,109 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:31:37,297 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 03:31:37,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [568726235] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:31:37,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:31:37,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 03:31:37,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444894384] [2023-04-02 03:31:37,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:31:37,299 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:31:37,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:37,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:31:37,300 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:31:37,300 INFO L87 Difference]: Start difference. First operand 477 states and 645 transitions. Second operand has 17 states, 17 states have (on average 10.176470588235293) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (75), 12 states have call predecessors, (75), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 03:31:48,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:48,002 INFO L93 Difference]: Finished difference Result 1643 states and 2605 transitions. [2023-04-02 03:31:48,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-04-02 03:31:48,002 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.176470588235293) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (75), 12 states have call predecessors, (75), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) Word has length 191 [2023-04-02 03:31:48,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:48,009 INFO L225 Difference]: With dead ends: 1643 [2023-04-02 03:31:48,009 INFO L226 Difference]: Without dead ends: 1455 [2023-04-02 03:31:48,010 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 480 GetRequests, 436 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 570 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=597, Invalid=1473, Unknown=0, NotChecked=0, Total=2070 [2023-04-02 03:31:48,011 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5652 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 3743 mSolverCounterSat, 2126 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5679 SdHoareTripleChecker+Valid, 41 SdHoareTripleChecker+Invalid, 5869 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2126 IncrementalHoareTripleChecker+Valid, 3743 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:48,011 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5679 Valid, 41 Invalid, 5869 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2126 Valid, 3743 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-02 03:31:48,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1455 states. [2023-04-02 03:31:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1455 to 678. [2023-04-02 03:31:48,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 678 states, 487 states have (on average 1.513347022587269) internal successors, (737), 492 states have internal predecessors, (737), 127 states have call successors, (127), 65 states have call predecessors, (127), 63 states have return successors, (125), 122 states have call predecessors, (125), 122 states have call successors, (125) [2023-04-02 03:31:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 989 transitions. [2023-04-02 03:31:48,683 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 989 transitions. Word has length 191 [2023-04-02 03:31:48,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:48,683 INFO L495 AbstractCegarLoop]: Abstraction has 678 states and 989 transitions. [2023-04-02 03:31:48,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.176470588235293) internal successors, (173), 7 states have internal predecessors, (173), 2 states have call successors, (75), 12 states have call predecessors, (75), 2 states have return successors, (43), 2 states have call predecessors, (43), 2 states have call successors, (43) [2023-04-02 03:31:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 989 transitions. [2023-04-02 03:31:48,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-04-02 03:31:48,686 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:48,686 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:31:48,697 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 03:31:48,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:31:48,895 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:48,895 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:48,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1598161156, now seen corresponding path program 1 times [2023-04-02 03:31:48,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:48,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1511598061] [2023-04-02 03:31:48,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:48,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:48,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:31:49,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:31:49,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:49,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:49,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:49,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:31:49,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:31:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:31:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:31:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:31:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:31:49,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:31:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:31:49,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-04-02 03:31:49,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:31:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:49,558 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 03:31:49,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:49,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1511598061] [2023-04-02 03:31:49,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1511598061] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:49,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:49,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:31:49,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759406661] [2023-04-02 03:31:49,559 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:49,559 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:31:49,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:49,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:31:49,560 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:31:49,560 INFO L87 Difference]: Start difference. First operand 678 states and 989 transitions. Second operand has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:31:58,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:31:58,382 INFO L93 Difference]: Finished difference Result 2515 states and 4134 transitions. [2023-04-02 03:31:58,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 03:31:58,383 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 197 [2023-04-02 03:31:58,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:31:58,392 INFO L225 Difference]: With dead ends: 2515 [2023-04-02 03:31:58,392 INFO L226 Difference]: Without dead ends: 1939 [2023-04-02 03:31:58,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:31:58,396 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2871 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2549 mSolverCounterSat, 1226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2898 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 3775 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1226 IncrementalHoareTripleChecker+Valid, 2549 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:31:58,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2898 Valid, 30 Invalid, 3775 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1226 Valid, 2549 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-04-02 03:31:58,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1939 states. [2023-04-02 03:31:59,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1939 to 876. [2023-04-02 03:31:59,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 876 states, 647 states have (on average 1.5332302936630602) internal successors, (992), 652 states have internal predecessors, (992), 165 states have call successors, (165), 65 states have call predecessors, (165), 63 states have return successors, (163), 160 states have call predecessors, (163), 160 states have call successors, (163) [2023-04-02 03:31:59,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 876 states and 1320 transitions. [2023-04-02 03:31:59,265 INFO L78 Accepts]: Start accepts. Automaton has 876 states and 1320 transitions. Word has length 197 [2023-04-02 03:31:59,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:31:59,265 INFO L495 AbstractCegarLoop]: Abstraction has 876 states and 1320 transitions. [2023-04-02 03:31:59,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.615384615384615) internal successors, (112), 3 states have internal predecessors, (112), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:31:59,265 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1320 transitions. [2023-04-02 03:31:59,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 03:31:59,269 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:31:59,269 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:31:59,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:31:59,269 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:31:59,270 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:31:59,270 INFO L85 PathProgramCache]: Analyzing trace with hash 338671554, now seen corresponding path program 1 times [2023-04-02 03:31:59,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:31:59,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168718267] [2023-04-02 03:31:59,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:31:59,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:31:59,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:31:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:31:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:59,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:31:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:31:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:31:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:31:59,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:31:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:31:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:31:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:31:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:31:59,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:31:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:31:59,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:31:59,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:31:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:31:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:31:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-04-02 03:31:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:31:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:31:59,926 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 03:31:59,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:31:59,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168718267] [2023-04-02 03:31:59,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168718267] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:31:59,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:31:59,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:31:59,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805541530] [2023-04-02 03:31:59,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:31:59,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:31:59,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:31:59,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:31:59,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:31:59,928 INFO L87 Difference]: Start difference. First operand 876 states and 1320 transitions. Second operand has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:32:10,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:32:10,163 INFO L93 Difference]: Finished difference Result 3519 states and 5958 transitions. [2023-04-02 03:32:10,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 03:32:10,163 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 198 [2023-04-02 03:32:10,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:32:10,175 INFO L225 Difference]: With dead ends: 3519 [2023-04-02 03:32:10,176 INFO L226 Difference]: Without dead ends: 2774 [2023-04-02 03:32:10,180 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:32:10,181 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2042 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2703 mSolverCounterSat, 774 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2069 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 774 IncrementalHoareTripleChecker+Valid, 2703 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:32:10,181 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2069 Valid, 34 Invalid, 3477 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [774 Valid, 2703 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 03:32:10,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2774 states. [2023-04-02 03:32:11,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2774 to 1176. [2023-04-02 03:32:11,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1176 states, 894 states have (on average 1.5469798657718121) internal successors, (1383), 899 states have internal predecessors, (1383), 218 states have call successors, (218), 65 states have call predecessors, (218), 63 states have return successors, (216), 213 states have call predecessors, (216), 213 states have call successors, (216) [2023-04-02 03:32:11,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1176 states to 1176 states and 1817 transitions. [2023-04-02 03:32:11,495 INFO L78 Accepts]: Start accepts. Automaton has 1176 states and 1817 transitions. Word has length 198 [2023-04-02 03:32:11,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:32:11,495 INFO L495 AbstractCegarLoop]: Abstraction has 1176 states and 1817 transitions. [2023-04-02 03:32:11,496 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.692307692307692) internal successors, (113), 3 states have internal predecessors, (113), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:32:11,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1176 states and 1817 transitions. [2023-04-02 03:32:11,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-02 03:32:11,501 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:32:11,501 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:32:11,501 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:32:11,501 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:32:11,501 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:32:11,501 INFO L85 PathProgramCache]: Analyzing trace with hash 383388446, now seen corresponding path program 1 times [2023-04-02 03:32:11,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:32:11,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388134654] [2023-04-02 03:32:11,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:11,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:32:11,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:11,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:11,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:11,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:11,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:32:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:11,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:32:12,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:32:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:32:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:32:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:32:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:32:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:32:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:32:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:32:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:32:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:32:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:12,143 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 03:32:12,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:12,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388134654] [2023-04-02 03:32:12,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388134654] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:32:12,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:32:12,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:32:12,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1405351392] [2023-04-02 03:32:12,143 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:32:12,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:32:12,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:12,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:32:12,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:32:12,145 INFO L87 Difference]: Start difference. First operand 1176 states and 1817 transitions. Second operand has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:32:23,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:32:23,640 INFO L93 Difference]: Finished difference Result 5079 states and 8775 transitions. [2023-04-02 03:32:23,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 03:32:23,641 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 199 [2023-04-02 03:32:23,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:32:23,658 INFO L225 Difference]: With dead ends: 5079 [2023-04-02 03:32:23,659 INFO L226 Difference]: Without dead ends: 4090 [2023-04-02 03:32:23,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:32:23,665 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2935 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2365 mSolverCounterSat, 1302 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2962 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 3667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1302 IncrementalHoareTripleChecker+Valid, 2365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:32:23,665 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2962 Valid, 32 Invalid, 3667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1302 Valid, 2365 Invalid, 0 Unknown, 0 Unchecked, 5.5s Time] [2023-04-02 03:32:23,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4090 states. [2023-04-02 03:32:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4090 to 1649. [2023-04-02 03:32:25,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1649 states, 1286 states have (on average 1.552877138413686) internal successors, (1997), 1291 states have internal predecessors, (1997), 299 states have call successors, (299), 65 states have call predecessors, (299), 63 states have return successors, (297), 294 states have call predecessors, (297), 294 states have call successors, (297) [2023-04-02 03:32:25,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1649 states and 2593 transitions. [2023-04-02 03:32:25,615 INFO L78 Accepts]: Start accepts. Automaton has 1649 states and 2593 transitions. Word has length 199 [2023-04-02 03:32:25,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:32:25,616 INFO L495 AbstractCegarLoop]: Abstraction has 1649 states and 2593 transitions. [2023-04-02 03:32:25,616 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.76923076923077) internal successors, (114), 3 states have internal predecessors, (114), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:32:25,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1649 states and 2593 transitions. [2023-04-02 03:32:25,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-04-02 03:32:25,623 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:32:25,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:32:25,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:32:25,624 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:32:25,624 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:32:25,624 INFO L85 PathProgramCache]: Analyzing trace with hash -462978654, now seen corresponding path program 1 times [2023-04-02 03:32:25,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:32:25,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438646861] [2023-04-02 03:32:25,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:25,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:32:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:32:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:26,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:32:26,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:32:26,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:26,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:32:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:32:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:32:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:32:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:32:26,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:32:26,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:26,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:32:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:32:26,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:32:26,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:26,329 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 03:32:26,329 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:26,329 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438646861] [2023-04-02 03:32:26,329 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1438646861] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:32:26,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:32:26,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:32:26,329 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458855830] [2023-04-02 03:32:26,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:32:26,330 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:32:26,330 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:26,330 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:32:26,330 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:32:26,331 INFO L87 Difference]: Start difference. First operand 1649 states and 2593 transitions. Second operand has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:32:41,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:32:41,708 INFO L93 Difference]: Finished difference Result 7618 states and 13329 transitions. [2023-04-02 03:32:41,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 03:32:41,708 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 200 [2023-04-02 03:32:41,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:32:41,741 INFO L225 Difference]: With dead ends: 7618 [2023-04-02 03:32:41,741 INFO L226 Difference]: Without dead ends: 6255 [2023-04-02 03:32:41,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:32:41,751 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2508 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2539 mSolverCounterSat, 945 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2535 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 3484 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 945 IncrementalHoareTripleChecker+Valid, 2539 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:32:41,751 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2535 Valid, 34 Invalid, 3484 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [945 Valid, 2539 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-04-02 03:32:41,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6255 states. [2023-04-02 03:32:45,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6255 to 2417. [2023-04-02 03:32:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2417 states, 1927 states have (on average 1.5542293720809548) internal successors, (2995), 1932 states have internal predecessors, (2995), 426 states have call successors, (426), 65 states have call predecessors, (426), 63 states have return successors, (424), 421 states have call predecessors, (424), 421 states have call successors, (424) [2023-04-02 03:32:45,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2417 states to 2417 states and 3845 transitions. [2023-04-02 03:32:45,140 INFO L78 Accepts]: Start accepts. Automaton has 2417 states and 3845 transitions. Word has length 200 [2023-04-02 03:32:45,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:32:45,141 INFO L495 AbstractCegarLoop]: Abstraction has 2417 states and 3845 transitions. [2023-04-02 03:32:45,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.846153846153847) internal successors, (115), 3 states have internal predecessors, (115), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:32:45,141 INFO L276 IsEmpty]: Start isEmpty. Operand 2417 states and 3845 transitions. [2023-04-02 03:32:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-04-02 03:32:45,151 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:32:45,151 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:32:45,152 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:32:45,152 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:32:45,152 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:32:45,152 INFO L85 PathProgramCache]: Analyzing trace with hash -448384706, now seen corresponding path program 1 times [2023-04-02 03:32:45,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:32:45,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777638496] [2023-04-02 03:32:45,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:32:45,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:32:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:32:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:32:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:32:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:32:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:32:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:32:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:32:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:32:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:32:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:32:45,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:32:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:32:45,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:32:45,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:32:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:32:45,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:32:45,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:32:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:32:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:32:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:32:45,827 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 03:32:45,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:32:45,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777638496] [2023-04-02 03:32:45,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777638496] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:32:45,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:32:45,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:32:45,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723409621] [2023-04-02 03:32:45,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:32:45,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:32:45,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:32:45,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:32:45,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:32:45,829 INFO L87 Difference]: Start difference. First operand 2417 states and 3845 transitions. Second operand has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:33:07,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:33:07,197 INFO L93 Difference]: Finished difference Result 12085 states and 21318 transitions. [2023-04-02 03:33:07,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-04-02 03:33:07,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 201 [2023-04-02 03:33:07,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:33:07,225 INFO L225 Difference]: With dead ends: 12085 [2023-04-02 03:33:07,225 INFO L226 Difference]: Without dead ends: 10078 [2023-04-02 03:33:07,239 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 264 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=353, Invalid=837, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:33:07,239 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2847 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 1208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2874 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 3604 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1208 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:33:07,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2874 Valid, 32 Invalid, 3604 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1208 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-04-02 03:33:07,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10078 states. [2023-04-02 03:33:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10078 to 3788. [2023-04-02 03:33:12,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3788 states, 3054 states have (on average 1.5464963981663393) internal successors, (4723), 3059 states have internal predecessors, (4723), 670 states have call successors, (670), 65 states have call predecessors, (670), 63 states have return successors, (668), 665 states have call predecessors, (668), 665 states have call successors, (668) [2023-04-02 03:33:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3788 states to 3788 states and 6061 transitions. [2023-04-02 03:33:12,871 INFO L78 Accepts]: Start accepts. Automaton has 3788 states and 6061 transitions. Word has length 201 [2023-04-02 03:33:12,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:33:12,872 INFO L495 AbstractCegarLoop]: Abstraction has 3788 states and 6061 transitions. [2023-04-02 03:33:12,872 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.923076923076923) internal successors, (116), 3 states have internal predecessors, (116), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2023-04-02 03:33:12,872 INFO L276 IsEmpty]: Start isEmpty. Operand 3788 states and 6061 transitions. [2023-04-02 03:33:12,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-04-02 03:33:12,887 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:33:12,887 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:33:12,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:33:12,887 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:33:12,887 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:33:12,888 INFO L85 PathProgramCache]: Analyzing trace with hash 296676226, now seen corresponding path program 1 times [2023-04-02 03:33:12,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:33:12,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605204097] [2023-04-02 03:33:12,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:33:12,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:33:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:33:13,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:33:13,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:33:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:33:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:33:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:33:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:33:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:33:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:33:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:33:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:33:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:33:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:33:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:33:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:33:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:33:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:33:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:33:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:33:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:33:13,575 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 03:33:13,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:33:13,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605204097] [2023-04-02 03:33:13,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605204097] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:33:13,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:33:13,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:33:13,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1903238792] [2023-04-02 03:33:13,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:33:13,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:33:13,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:33:13,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:33:13,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:33:13,577 INFO L87 Difference]: Start difference. First operand 3788 states and 6061 transitions. Second operand has 13 states, 13 states have (on average 9.0) internal successors, (117), 3 states have internal predecessors, (117), 2 states have call successors, (42), 12 states have call predecessors, (42), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30)