/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:13:38,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:13:38,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:13:38,137 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:13:38,138 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:13:38,140 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:13:38,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:13:38,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:13:38,146 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:13:38,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:13:38,151 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:13:38,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:13:38,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:13:38,152 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:13:38,153 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:13:38,154 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:13:38,155 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:13:38,155 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:13:38,156 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:13:38,157 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:13:38,158 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:13:38,160 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:13:38,161 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:13:38,162 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:13:38,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:13:38,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:13:38,170 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:13:38,170 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:13:38,171 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:13:38,171 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:13:38,171 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:13:38,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:13:38,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:13:38,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:13:38,173 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:13:38,173 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:13:38,174 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:13:38,174 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:13:38,174 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:13:38,175 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:13:38,176 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:13:38,176 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 03:13:38,194 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:13:38,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:13:38,194 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:13:38,195 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:13:38,196 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:13:38,196 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:13:38,196 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:13:38,196 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:13:38,197 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:13:38,197 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:13:38,197 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:13:38,198 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:13:38,199 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:13:38,199 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:13:38,199 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:13:38,199 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:13:38,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:13:38,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:13:38,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:13:38,199 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:13:38,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:13:38,201 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:13:38,201 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:13:38,401 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:13:38,421 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:13:38,423 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:13:38,424 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:13:38,425 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:13:38,426 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2023-04-02 03:13:39,533 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:13:39,768 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:13:39,768 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c [2023-04-02 03:13:39,782 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c377a231d/09b06f1ca87a42aaaa2b1260a83ee7b7/FLAG3c616456d [2023-04-02 03:13:39,793 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c377a231d/09b06f1ca87a42aaaa2b1260a83ee7b7 [2023-04-02 03:13:39,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:13:39,796 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:13:39,797 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:13:39,797 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:13:39,800 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:13:39,800 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:13:39" (1/1) ... [2023-04-02 03:13:39,801 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2177f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:39, skipping insertion in model container [2023-04-02 03:13:39,801 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:13:39" (1/1) ... [2023-04-02 03:13:39,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:13:39,862 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:13:40,033 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2023-04-02 03:13:40,324 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:13:40,337 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:13:40,352 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec0_product10.cil.c[2842,2855] [2023-04-02 03:13:40,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:13:40,474 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:13:40,480 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:13:40,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40 WrapperNode [2023-04-02 03:13:40,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:13:40,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:13:40,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:13:40,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:13:40,492 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,568 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,576 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:13:40,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:13:40,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:13:40,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:13:40,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (1/1) ... [2023-04-02 03:13:40,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:13:40,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:13:40,634 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 03:13:40,635 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 03:13:40,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:13:40,674 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:13:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:13:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:13:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 03:13:40,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:13:40,676 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:13:40,677 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:13:40,678 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:13:40,679 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:13:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:13:40,680 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:13:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:13:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:13:40,681 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:13:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:13:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:13:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:13:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:13:40,682 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:13:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:13:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:13:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:13:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:13:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:13:40,683 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:13:40,684 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:13:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:13:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:13:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:13:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:13:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:13:40,685 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:13:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:13:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:13:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:13:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:13:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:13:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:13:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:13:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:13:40,687 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:13:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:13:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:13:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:13:40,688 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:13:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:13:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:13:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:13:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:13:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:13:40,688 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2023-04-02 03:13:40,689 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:13:40,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:13:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:13:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:13:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:13:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:13:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:13:40,691 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:13:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:13:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:13:40,692 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:13:40,693 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:13:40,696 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:13:40,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:13:40,702 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:13:40,703 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:13:40,704 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:13:40,705 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:13:40,706 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:13:40,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:13:41,048 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:13:41,054 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:13:42,013 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:13:42,031 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:13:42,032 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:13:42,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:13:42 BoogieIcfgContainer [2023-04-02 03:13:42,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:13:42,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:13:42,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:13:42,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:13:42,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:13:39" (1/3) ... [2023-04-02 03:13:42,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a1d1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:13:42, skipping insertion in model container [2023-04-02 03:13:42,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:13:40" (2/3) ... [2023-04-02 03:13:42,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74a1d1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:13:42, skipping insertion in model container [2023-04-02 03:13:42,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:13:42" (3/3) ... [2023-04-02 03:13:42,043 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec0_product10.cil.c [2023-04-02 03:13:42,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:13:42,060 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:13:42,105 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:13:42,110 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;@687d2bc3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:13:42,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:13:42,116 INFO L276 IsEmpty]: Start isEmpty. Operand has 260 states, 163 states have (on average 1.361963190184049) internal successors, (222), 169 states have internal predecessors, (222), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) [2023-04-02 03:13:42,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-04-02 03:13:42,129 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:13:42,130 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:13:42,131 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:13:42,136 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:13:42,136 INFO L85 PathProgramCache]: Analyzing trace with hash -923521658, now seen corresponding path program 1 times [2023-04-02 03:13:42,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:13:42,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915990371] [2023-04-02 03:13:42,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:42,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:13:42,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:13:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:43,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:13:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:13:43,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:13:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 03:13:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-04-02 03:13:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:43,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 03:13:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 03:13:43,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 03:13:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:13:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:13:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:13:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:13:43,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 03:13:43,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:13:43,846 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915990371] [2023-04-02 03:13:43,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915990371] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:13:43,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523144933] [2023-04-02 03:13:43,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:43,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:13:43,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:13:43,850 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 03:13:43,863 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 03:13:44,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:44,336 INFO L262 TraceCheckSpWp]: Trace formula consists of 1651 conjuncts, 1 conjunts are in the unsatisfiable core [2023-04-02 03:13:44,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:13:44,392 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-02 03:13:44,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:13:44,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523144933] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:13:44,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:13:44,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [14] total 14 [2023-04-02 03:13:44,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169649903] [2023-04-02 03:13:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:13:44,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-04-02 03:13:44,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:13:44,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-04-02 03:13:44,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:13:44,448 INFO L87 Difference]: Start difference. First operand has 260 states, 163 states have (on average 1.361963190184049) internal successors, (222), 169 states have internal predecessors, (222), 52 states have call successors, (52), 42 states have call predecessors, (52), 42 states have return successors, (52), 52 states have call predecessors, (52), 52 states have call successors, (52) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:13:44,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:13:44,507 INFO L93 Difference]: Finished difference Result 419 states and 525 transitions. [2023-04-02 03:13:44,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-04-02 03:13:44,509 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 141 [2023-04-02 03:13:44,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:13:44,518 INFO L225 Difference]: With dead ends: 419 [2023-04-02 03:13:44,518 INFO L226 Difference]: Without dead ends: 247 [2023-04-02 03:13:44,522 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:13:44,524 INFO L413 NwaCegarLoop]: 320 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:13:44,525 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 320 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:13:44,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2023-04-02 03:13:44,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2023-04-02 03:13:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 247 states, 156 states have (on average 1.3461538461538463) internal successors, (210), 159 states have internal predecessors, (210), 52 states have call successors, (52), 42 states have call predecessors, (52), 38 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 03:13:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 309 transitions. [2023-04-02 03:13:44,573 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 309 transitions. Word has length 141 [2023-04-02 03:13:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:13:44,575 INFO L495 AbstractCegarLoop]: Abstraction has 247 states and 309 transitions. [2023-04-02 03:13:44,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:13:44,575 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 309 transitions. [2023-04-02 03:13:44,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-04-02 03:13:44,580 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:13:44,580 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:13:44,593 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:13:44,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-04-02 03:13:44,793 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:13:44,794 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:13:44,794 INFO L85 PathProgramCache]: Analyzing trace with hash 2145161341, now seen corresponding path program 1 times [2023-04-02 03:13:44,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:13:44,794 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [815092603] [2023-04-02 03:13:44,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:44,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:13:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:13:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:13:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:13:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:13:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 03:13:45,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-04-02 03:13:45,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 03:13:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 03:13:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 03:13:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:13:45,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:45,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:13:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:13:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:13:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 03:13:45,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:13:45,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [815092603] [2023-04-02 03:13:45,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [815092603] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:13:45,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46299171] [2023-04-02 03:13:45,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:45,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:13:45,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:13:45,910 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 03:13:45,917 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 03:13:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:46,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 1652 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:13:46,295 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:13:46,325 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-04-02 03:13:46,325 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:13:46,325 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46299171] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:13:46,325 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:13:46,325 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 15 [2023-04-02 03:13:46,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127772381] [2023-04-02 03:13:46,326 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:13:46,327 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:13:46,327 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:13:46,328 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:13:46,328 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:13:46,328 INFO L87 Difference]: Start difference. First operand 247 states and 309 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:13:46,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:13:46,370 INFO L93 Difference]: Finished difference Result 402 states and 493 transitions. [2023-04-02 03:13:46,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:13:46,371 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 142 [2023-04-02 03:13:46,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:13:46,374 INFO L225 Difference]: With dead ends: 402 [2023-04-02 03:13:46,374 INFO L226 Difference]: Without dead ends: 250 [2023-04-02 03:13:46,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:13:46,376 INFO L413 NwaCegarLoop]: 307 mSDtfsCounter, 1 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 612 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 03:13:46,377 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 612 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:13:46,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2023-04-02 03:13:46,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 249. [2023-04-02 03:13:46,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 158 states have (on average 1.3417721518987342) internal successors, (212), 161 states have internal predecessors, (212), 52 states have call successors, (52), 42 states have call predecessors, (52), 38 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 03:13:46,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 311 transitions. [2023-04-02 03:13:46,402 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 311 transitions. Word has length 142 [2023-04-02 03:13:46,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:13:46,402 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 311 transitions. [2023-04-02 03:13:46,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:13:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 311 transitions. [2023-04-02 03:13:46,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-04-02 03:13:46,405 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:13:46,406 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:13:46,421 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-04-02 03:13:46,617 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,SelfDestructingSolverStorable1 [2023-04-02 03:13:46,618 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:13:46,618 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:13:46,618 INFO L85 PathProgramCache]: Analyzing trace with hash 793287425, now seen corresponding path program 1 times [2023-04-02 03:13:46,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:13:46,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427938149] [2023-04-02 03:13:46,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:46,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:13:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:13:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:47,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:13:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:13:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:13:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-04-02 03:13:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-04-02 03:13:47,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 03:13:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-04-02 03:13:47,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:13:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:13:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-04-02 03:13:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:13:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:13:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,596 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 03:13:47,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:13:47,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427938149] [2023-04-02 03:13:47,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427938149] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:13:47,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717063829] [2023-04-02 03:13:47,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:47,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:13:47,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:13:47,600 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 03:13:47,604 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 03:13:47,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:47,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 1663 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:13:47,975 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:13:48,112 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-04-02 03:13:48,112 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:13:48,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717063829] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:13:48,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:13:48,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18 [2023-04-02 03:13:48,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487481458] [2023-04-02 03:13:48,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:13:48,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:13:48,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:13:48,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:13:48,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-04-02 03:13:48,115 INFO L87 Difference]: Start difference. First operand 249 states and 311 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:13:48,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:13:48,443 INFO L93 Difference]: Finished difference Result 477 states and 602 transitions. [2023-04-02 03:13:48,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:13:48,443 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 147 [2023-04-02 03:13:48,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:13:48,451 INFO L225 Difference]: With dead ends: 477 [2023-04-02 03:13:48,452 INFO L226 Difference]: Without dead ends: 257 [2023-04-02 03:13:48,456 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:13:48,458 INFO L413 NwaCegarLoop]: 308 mSDtfsCounter, 277 mSDsluCounter, 913 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 1221 SdHoareTripleChecker+Invalid, 386 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:13:48,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 1221 Invalid, 386 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-04-02 03:13:48,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2023-04-02 03:13:48,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2023-04-02 03:13:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 164 states have (on average 1.3475609756097562) internal successors, (221), 168 states have internal predecessors, (221), 52 states have call successors, (52), 43 states have call predecessors, (52), 40 states have return successors, (48), 47 states have call predecessors, (48), 47 states have call successors, (48) [2023-04-02 03:13:48,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 321 transitions. [2023-04-02 03:13:48,490 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 321 transitions. Word has length 147 [2023-04-02 03:13:48,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:13:48,491 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 321 transitions. [2023-04-02 03:13:48,492 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:13:48,492 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 321 transitions. [2023-04-02 03:13:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-04-02 03:13:48,498 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:13:48,499 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:13:48,509 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 03:13:48,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:13:48,708 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:13:48,708 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:13:48,708 INFO L85 PathProgramCache]: Analyzing trace with hash 245645642, now seen corresponding path program 1 times [2023-04-02 03:13:48,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:13:48,708 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167668759] [2023-04-02 03:13:48,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:48,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:13:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:13:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:49,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:49,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:13:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:13:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:13:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:13:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-04-02 03:13:49,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-04-02 03:13:49,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-04-02 03:13:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:13:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:13:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:13:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:13:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:13:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:49,666 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 03:13:49,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:13:49,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167668759] [2023-04-02 03:13:49,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167668759] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:13:49,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:13:49,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:13:49,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229505473] [2023-04-02 03:13:49,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:13:49,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:13:49,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:13:49,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:13:49,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:13:49,668 INFO L87 Difference]: Start difference. First operand 257 states and 321 transitions. Second operand has 14 states, 12 states have (on average 6.75) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:13:55,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:13:55,862 INFO L93 Difference]: Finished difference Result 639 states and 845 transitions. [2023-04-02 03:13:55,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:13:55,863 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.75) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 148 [2023-04-02 03:13:55,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:13:55,866 INFO L225 Difference]: With dead ends: 639 [2023-04-02 03:13:55,866 INFO L226 Difference]: Without dead ends: 427 [2023-04-02 03:13:55,867 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 194 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2023-04-02 03:13:55,868 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1507 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 2396 mSolverCounterSat, 669 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1510 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 3065 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 669 IncrementalHoareTripleChecker+Valid, 2396 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:13:55,868 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1510 Valid, 49 Invalid, 3065 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [669 Valid, 2396 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2023-04-02 03:13:55,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2023-04-02 03:13:56,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 261. [2023-04-02 03:13:56,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 168 states have (on average 1.3452380952380953) internal successors, (226), 171 states have internal predecessors, (226), 52 states have call successors, (52), 44 states have call predecessors, (52), 40 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 03:13:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 325 transitions. [2023-04-02 03:13:56,087 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 325 transitions. Word has length 148 [2023-04-02 03:13:56,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:13:56,087 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 325 transitions. [2023-04-02 03:13:56,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.75) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:13:56,088 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 325 transitions. [2023-04-02 03:13:56,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-04-02 03:13:56,091 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:13:56,091 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:13:56,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 03:13:56,091 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:13:56,092 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:13:56,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1859414283, now seen corresponding path program 2 times [2023-04-02 03:13:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:13:56,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954431521] [2023-04-02 03:13:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:13:56,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:13:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:13:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:13:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:13:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:13:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:13:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 03:13:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:13:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-04-02 03:13:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-04-02 03:13:56,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:13:56,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:13:56,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:13:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:13:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:13:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:13:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:13:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:13:56,993 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 03:13:56,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:13:56,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954431521] [2023-04-02 03:13:56,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954431521] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:13:56,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:13:56,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:13:56,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167609892] [2023-04-02 03:13:56,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:13:56,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:13:56,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:13:56,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:13:56,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:13:56,996 INFO L87 Difference]: Start difference. First operand 261 states and 325 transitions. Second operand has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:14:02,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:02,848 INFO L93 Difference]: Finished difference Result 639 states and 844 transitions. [2023-04-02 03:14:02,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:14:02,849 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 149 [2023-04-02 03:14:02,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:02,851 INFO L225 Difference]: With dead ends: 639 [2023-04-02 03:14:02,852 INFO L226 Difference]: Without dead ends: 429 [2023-04-02 03:14:02,853 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=273, Invalid=849, Unknown=0, NotChecked=0, Total=1122 [2023-04-02 03:14:02,853 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 831 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 2474 mSolverCounterSat, 344 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 2818 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 344 IncrementalHoareTripleChecker+Valid, 2474 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:02,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 49 Invalid, 2818 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [344 Valid, 2474 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-04-02 03:14:02,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2023-04-02 03:14:03,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 261. [2023-04-02 03:14:03,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 168 states have (on average 1.3392857142857142) internal successors, (225), 171 states have internal predecessors, (225), 52 states have call successors, (52), 44 states have call predecessors, (52), 40 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 03:14:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 324 transitions. [2023-04-02 03:14:03,047 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 324 transitions. Word has length 149 [2023-04-02 03:14:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:03,048 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 324 transitions. [2023-04-02 03:14:03,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.833333333333333) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:14:03,048 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 324 transitions. [2023-04-02 03:14:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-02 03:14:03,049 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:03,050 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:03,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-04-02 03:14:03,050 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:03,050 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:03,050 INFO L85 PathProgramCache]: Analyzing trace with hash 928776561, now seen corresponding path program 1 times [2023-04-02 03:14:03,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:03,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376387665] [2023-04-02 03:14:03,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:03,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:03,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 03:14:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:14:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:14:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:14:03,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:14:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:14:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:14:03,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:14:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:03,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-04-02 03:14:03,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:03,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376387665] [2023-04-02 03:14:03,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376387665] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:03,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:03,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:14:03,907 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073843591] [2023-04-02 03:14:03,907 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:03,908 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:14:03,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:03,909 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:14:03,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:14:03,910 INFO L87 Difference]: Start difference. First operand 261 states and 324 transitions. Second operand has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:14:11,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:11,013 INFO L93 Difference]: Finished difference Result 631 states and 834 transitions. [2023-04-02 03:14:11,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-02 03:14:11,013 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) Word has length 150 [2023-04-02 03:14:11,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:11,017 INFO L225 Difference]: With dead ends: 631 [2023-04-02 03:14:11,017 INFO L226 Difference]: Without dead ends: 421 [2023-04-02 03:14:11,018 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=317, Invalid=873, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:14:11,018 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 918 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 2437 mSolverCounterSat, 413 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 921 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 2850 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 413 IncrementalHoareTripleChecker+Valid, 2437 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:11,019 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [921 Valid, 46 Invalid, 2850 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [413 Valid, 2437 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2023-04-02 03:14:11,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-04-02 03:14:11,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 261. [2023-04-02 03:14:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 168 states have (on average 1.3333333333333333) internal successors, (224), 171 states have internal predecessors, (224), 52 states have call successors, (52), 44 states have call predecessors, (52), 40 states have return successors, (47), 47 states have call predecessors, (47), 47 states have call successors, (47) [2023-04-02 03:14:11,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 323 transitions. [2023-04-02 03:14:11,178 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 323 transitions. Word has length 150 [2023-04-02 03:14:11,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:11,178 INFO L495 AbstractCegarLoop]: Abstraction has 261 states and 323 transitions. [2023-04-02 03:14:11,178 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 12 states have (on average 6.916666666666667) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (34), 9 states have call predecessors, (34), 4 states have return successors, (24), 3 states have call predecessors, (24), 4 states have call successors, (24) [2023-04-02 03:14:11,178 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 323 transitions. [2023-04-02 03:14:11,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-04-02 03:14:11,182 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:11,182 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:11,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:14:11,182 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:11,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:11,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1332796689, now seen corresponding path program 1 times [2023-04-02 03:14:11,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:11,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860655977] [2023-04-02 03:14:11,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:11,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,762 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-04-02 03:14:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:14:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-04-02 03:14:11,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:14:11,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:14:11,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:11,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:14:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:14:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:14:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:11,873 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:11,873 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:11,873 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860655977] [2023-04-02 03:14:11,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860655977] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:14:11,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058643385] [2023-04-02 03:14:11,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:11,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:11,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:14:11,875 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 03:14:11,878 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 03:14:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:12,248 INFO L262 TraceCheckSpWp]: Trace formula consists of 1666 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:14:12,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:14:12,282 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:12,282 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:14:12,416 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:12,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058643385] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:14:12,417 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:14:12,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 14 [2023-04-02 03:14:12,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1605397869] [2023-04-02 03:14:12,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:14:12,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:14:12,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:12,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:14:12,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:14:12,420 INFO L87 Difference]: Start difference. First operand 261 states and 323 transitions. Second operand has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (61), 9 states have call predecessors, (61), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-02 03:14:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:18,170 INFO L93 Difference]: Finished difference Result 723 states and 1031 transitions. [2023-04-02 03:14:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-04-02 03:14:18,172 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (61), 9 states have call predecessors, (61), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) Word has length 150 [2023-04-02 03:14:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:18,175 INFO L225 Difference]: With dead ends: 723 [2023-04-02 03:14:18,175 INFO L226 Difference]: Without dead ends: 571 [2023-04-02 03:14:18,176 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 368 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=250, Invalid=506, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:14:18,176 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1342 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 243 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1367 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 1667 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 243 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:18,177 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1367 Valid, 24 Invalid, 1667 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [243 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2023-04-02 03:14:18,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2023-04-02 03:14:18,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 348. [2023-04-02 03:14:18,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 249 states have (on average 1.4899598393574298) internal successors, (371), 252 states have internal predecessors, (371), 58 states have call successors, (58), 44 states have call predecessors, (58), 40 states have return successors, (53), 53 states have call predecessors, (53), 53 states have call successors, (53) [2023-04-02 03:14:18,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 482 transitions. [2023-04-02 03:14:18,474 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 482 transitions. Word has length 150 [2023-04-02 03:14:18,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:18,475 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 482 transitions. [2023-04-02 03:14:18,475 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 9.571428571428571) internal successors, (134), 7 states have internal predecessors, (134), 2 states have call successors, (61), 9 states have call predecessors, (61), 2 states have return successors, (37), 2 states have call predecessors, (37), 2 states have call successors, (37) [2023-04-02 03:14:18,475 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 482 transitions. [2023-04-02 03:14:18,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-04-02 03:14:18,477 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:18,477 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:18,487 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-04-02 03:14:18,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:14:18,687 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:18,688 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:18,688 INFO L85 PathProgramCache]: Analyzing trace with hash 1371151284, now seen corresponding path program 1 times [2023-04-02 03:14:18,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:18,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385122003] [2023-04-02 03:14:18,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:18,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:19,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:19,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-04-02 03:14:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:14:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:14:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:14:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:14:19,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:19,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:14:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:14:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:14:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:19,362 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:19,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:19,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385122003] [2023-04-02 03:14:19,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385122003] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:19,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:19,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:14:19,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164122102] [2023-04-02 03:14:19,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:19,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:14:19,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:19,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:14:19,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:14:19,364 INFO L87 Difference]: Start difference. First operand 348 states and 482 transitions. Second operand has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:23,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:23,494 INFO L93 Difference]: Finished difference Result 997 states and 1525 transitions. [2023-04-02 03:14:23,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:14:23,494 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 157 [2023-04-02 03:14:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:23,497 INFO L225 Difference]: With dead ends: 997 [2023-04-02 03:14:23,498 INFO L226 Difference]: Without dead ends: 714 [2023-04-02 03:14:23,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:14:23,499 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1084 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1186 mSolverCounterSat, 347 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1109 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 1533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 347 IncrementalHoareTripleChecker+Valid, 1186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:23,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1109 Valid, 18 Invalid, 1533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [347 Valid, 1186 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2023-04-02 03:14:23,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 714 states. [2023-04-02 03:14:23,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 714 to 434. [2023-04-02 03:14:23,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 434 states, 329 states have (on average 1.553191489361702) internal successors, (511), 332 states have internal predecessors, (511), 64 states have call successors, (64), 44 states have call predecessors, (64), 40 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2023-04-02 03:14:23,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 634 transitions. [2023-04-02 03:14:23,799 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 634 transitions. Word has length 157 [2023-04-02 03:14:23,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:23,799 INFO L495 AbstractCegarLoop]: Abstraction has 434 states and 634 transitions. [2023-04-02 03:14:23,800 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.8) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:23,800 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 634 transitions. [2023-04-02 03:14:23,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-04-02 03:14:23,801 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:23,801 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:23,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:14:23,802 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:23,802 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:23,802 INFO L85 PathProgramCache]: Analyzing trace with hash -873510777, now seen corresponding path program 1 times [2023-04-02 03:14:23,802 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:23,802 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1818154580] [2023-04-02 03:14:23,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:23,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:24,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:24,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-04-02 03:14:24,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:14:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:14:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:14:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:14:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:24,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:24,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:14:24,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:14:24,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:14:24,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:24,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:24,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1818154580] [2023-04-02 03:14:24,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1818154580] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:24,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:24,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:14:24,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061726595] [2023-04-02 03:14:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:24,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:14:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:14:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:14:24,503 INFO L87 Difference]: Start difference. First operand 434 states and 634 transitions. Second operand has 10 states, 10 states have (on average 8.9) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:28,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:28,595 INFO L93 Difference]: Finished difference Result 1335 states and 2140 transitions. [2023-04-02 03:14:28,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:14:28,596 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 158 [2023-04-02 03:14:28,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:28,600 INFO L225 Difference]: With dead ends: 1335 [2023-04-02 03:14:28,600 INFO L226 Difference]: Without dead ends: 978 [2023-04-02 03:14:28,602 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:14:28,602 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1383 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 537 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 1757 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 537 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:28,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 22 Invalid, 1757 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [537 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-04-02 03:14:28,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 978 states. [2023-04-02 03:14:29,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 978 to 566. [2023-04-02 03:14:29,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 566 states, 456 states have (on average 1.6074561403508771) internal successors, (733), 459 states have internal predecessors, (733), 69 states have call successors, (69), 44 states have call predecessors, (69), 40 states have return successors, (64), 64 states have call predecessors, (64), 64 states have call successors, (64) [2023-04-02 03:14:29,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 566 states and 866 transitions. [2023-04-02 03:14:29,032 INFO L78 Accepts]: Start accepts. Automaton has 566 states and 866 transitions. Word has length 158 [2023-04-02 03:14:29,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:29,032 INFO L495 AbstractCegarLoop]: Abstraction has 566 states and 866 transitions. [2023-04-02 03:14:29,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 8.9) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:29,033 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 866 transitions. [2023-04-02 03:14:29,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-04-02 03:14:29,035 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:29,035 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:29,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:14:29,035 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:29,035 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:29,036 INFO L85 PathProgramCache]: Analyzing trace with hash 2119641974, now seen corresponding path program 1 times [2023-04-02 03:14:29,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:29,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1468131388] [2023-04-02 03:14:29,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:29,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:29,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:29,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:29,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-04-02 03:14:29,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:14:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 03:14:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:14:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:14:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:29,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:14:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:14:29,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:14:29,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:29,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:29,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:29,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1468131388] [2023-04-02 03:14:29,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1468131388] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:29,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:29,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:14:29,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128635841] [2023-04-02 03:14:29,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:29,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:14:29,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:29,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:14:29,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:14:29,634 INFO L87 Difference]: Start difference. First operand 566 states and 866 transitions. Second operand has 10 states, 10 states have (on average 9.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:34,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:34,234 INFO L93 Difference]: Finished difference Result 1837 states and 3038 transitions. [2023-04-02 03:14:34,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:14:34,234 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 159 [2023-04-02 03:14:34,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:34,239 INFO L225 Difference]: With dead ends: 1837 [2023-04-02 03:14:34,240 INFO L226 Difference]: Without dead ends: 1367 [2023-04-02 03:14:34,241 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:14:34,241 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1021 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1174 mSolverCounterSat, 277 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1047 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 1451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 277 IncrementalHoareTripleChecker+Valid, 1174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:34,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1047 Valid, 22 Invalid, 1451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [277 Valid, 1174 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-02 03:14:34,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2023-04-02 03:14:34,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 786. [2023-04-02 03:14:34,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 786 states, 663 states have (on average 1.6349924585218703) internal successors, (1084), 666 states have internal predecessors, (1084), 82 states have call successors, (82), 44 states have call predecessors, (82), 40 states have return successors, (77), 77 states have call predecessors, (77), 77 states have call successors, (77) [2023-04-02 03:14:34,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1243 transitions. [2023-04-02 03:14:34,885 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1243 transitions. Word has length 159 [2023-04-02 03:14:34,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:34,885 INFO L495 AbstractCegarLoop]: Abstraction has 786 states and 1243 transitions. [2023-04-02 03:14:34,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:34,886 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1243 transitions. [2023-04-02 03:14:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-04-02 03:14:34,888 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:34,888 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:34,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:14:34,888 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:34,889 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:34,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1597152057, now seen corresponding path program 1 times [2023-04-02 03:14:34,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:34,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587653137] [2023-04-02 03:14:34,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:34,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:34,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-04-02 03:14:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:14:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-04-02 03:14:35,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:14:35,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:14:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:35,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:14:35,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:14:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:14:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:35,505 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:35,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:35,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [587653137] [2023-04-02 03:14:35,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [587653137] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:35,505 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:35,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:14:35,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910553392] [2023-04-02 03:14:35,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:35,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:14:35,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:35,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:14:35,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:14:35,507 INFO L87 Difference]: Start difference. First operand 786 states and 1243 transitions. Second operand has 10 states, 10 states have (on average 9.1) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:40,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:40,473 INFO L93 Difference]: Finished difference Result 2643 states and 4460 transitions. [2023-04-02 03:14:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:14:40,473 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 160 [2023-04-02 03:14:40,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:40,481 INFO L225 Difference]: With dead ends: 2643 [2023-04-02 03:14:40,481 INFO L226 Difference]: Without dead ends: 1995 [2023-04-02 03:14:40,483 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:14:40,483 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1110 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1142 mSolverCounterSat, 358 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1136 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 1500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 358 IncrementalHoareTripleChecker+Valid, 1142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:40,483 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1136 Valid, 20 Invalid, 1500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [358 Valid, 1142 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-02 03:14:40,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1995 states. [2023-04-02 03:14:41,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1995 to 1139. [2023-04-02 03:14:41,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1139 states, 995 states have (on average 1.6462311557788945) internal successors, (1638), 998 states have internal predecessors, (1638), 103 states have call successors, (103), 44 states have call predecessors, (103), 40 states have return successors, (98), 98 states have call predecessors, (98), 98 states have call successors, (98) [2023-04-02 03:14:41,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1139 states to 1139 states and 1839 transitions. [2023-04-02 03:14:41,853 INFO L78 Accepts]: Start accepts. Automaton has 1139 states and 1839 transitions. Word has length 160 [2023-04-02 03:14:41,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:41,853 INFO L495 AbstractCegarLoop]: Abstraction has 1139 states and 1839 transitions. [2023-04-02 03:14:41,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.1) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1139 states and 1839 transitions. [2023-04-02 03:14:41,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-04-02 03:14:41,856 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:41,857 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:41,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:14:41,857 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:41,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:41,857 INFO L85 PathProgramCache]: Analyzing trace with hash 2077735800, now seen corresponding path program 1 times [2023-04-02 03:14:41,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:41,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [841232644] [2023-04-02 03:14:41,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:41,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:42,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:42,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2023-04-02 03:14:42,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:42,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:14:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-04-02 03:14:42,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:14:42,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:14:42,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:14:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:14:42,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:14:42,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:42,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:42,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [841232644] [2023-04-02 03:14:42,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [841232644] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:42,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:42,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:14:42,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122189824] [2023-04-02 03:14:42,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:42,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:14:42,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:42,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:14:42,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:14:42,460 INFO L87 Difference]: Start difference. First operand 1139 states and 1839 transitions. Second operand has 10 states, 10 states have (on average 9.2) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:48,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:48,494 INFO L93 Difference]: Finished difference Result 3986 states and 6812 transitions. [2023-04-02 03:14:48,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:14:48,495 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 161 [2023-04-02 03:14:48,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:48,506 INFO L225 Difference]: With dead ends: 3986 [2023-04-02 03:14:48,507 INFO L226 Difference]: Without dead ends: 3056 [2023-04-02 03:14:48,509 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:14:48,510 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1189 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1097 mSolverCounterSat, 392 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 1489 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 392 IncrementalHoareTripleChecker+Valid, 1097 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:48,510 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 22 Invalid, 1489 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [392 Valid, 1097 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-02 03:14:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3056 states. [2023-04-02 03:14:50,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3056 to 1723. [2023-04-02 03:14:50,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1723 states, 1544 states have (on average 1.6476683937823835) internal successors, (2544), 1547 states have internal predecessors, (2544), 138 states have call successors, (138), 44 states have call predecessors, (138), 40 states have return successors, (133), 133 states have call predecessors, (133), 133 states have call successors, (133) [2023-04-02 03:14:50,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1723 states and 2815 transitions. [2023-04-02 03:14:50,399 INFO L78 Accepts]: Start accepts. Automaton has 1723 states and 2815 transitions. Word has length 161 [2023-04-02 03:14:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:14:50,399 INFO L495 AbstractCegarLoop]: Abstraction has 1723 states and 2815 transitions. [2023-04-02 03:14:50,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.2) internal successors, (92), 3 states have internal predecessors, (92), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:50,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2815 transitions. [2023-04-02 03:14:50,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-04-02 03:14:50,404 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:14:50,404 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:14:50,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:14:50,405 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:14:50,405 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:14:50,405 INFO L85 PathProgramCache]: Analyzing trace with hash 1099534533, now seen corresponding path program 1 times [2023-04-02 03:14:50,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:14:50,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416405347] [2023-04-02 03:14:50,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:14:50,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:14:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:14:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:14:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:14:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:14:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:50,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:14:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:50,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-04-02 03:14:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:14:50,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:14:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:14:50,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:14:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-04-02 03:14:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:14:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:14:51,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:14:51,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:14:51,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:14:51,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:14:51,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:14:51,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:14:51,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416405347] [2023-04-02 03:14:51,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416405347] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:14:51,013 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:14:51,013 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:14:51,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63545050] [2023-04-02 03:14:51,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:14:51,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:14:51,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:14:51,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:14:51,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:14:51,015 INFO L87 Difference]: Start difference. First operand 1723 states and 2815 transitions. Second operand has 10 states, 10 states have (on average 9.3) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:14:59,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:14:59,742 INFO L93 Difference]: Finished difference Result 6273 states and 10764 transitions. [2023-04-02 03:14:59,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:14:59,743 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 162 [2023-04-02 03:14:59,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:14:59,760 INFO L225 Difference]: With dead ends: 6273 [2023-04-02 03:14:59,761 INFO L226 Difference]: Without dead ends: 4899 [2023-04-02 03:14:59,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:14:59,764 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1028 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 279 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1053 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 1514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 279 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:14:59,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1053 Valid, 20 Invalid, 1514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [279 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-04-02 03:14:59,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4899 states. [2023-04-02 03:15:02,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4899 to 2650. [2023-04-02 03:15:02,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2650 states, 2449 states have (on average 1.6537362188648428) internal successors, (4050), 2452 states have internal predecessors, (4050), 160 states have call successors, (160), 44 states have call predecessors, (160), 40 states have return successors, (155), 155 states have call predecessors, (155), 155 states have call successors, (155) [2023-04-02 03:15:02,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2650 states and 4365 transitions. [2023-04-02 03:15:02,875 INFO L78 Accepts]: Start accepts. Automaton has 2650 states and 4365 transitions. Word has length 162 [2023-04-02 03:15:02,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:02,875 INFO L495 AbstractCegarLoop]: Abstraction has 2650 states and 4365 transitions. [2023-04-02 03:15:02,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.3) internal successors, (93), 3 states have internal predecessors, (93), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:15:02,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2650 states and 4365 transitions. [2023-04-02 03:15:02,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-04-02 03:15:02,883 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:02,883 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:15:02,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:15:02,883 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:02,883 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:02,884 INFO L85 PathProgramCache]: Analyzing trace with hash -95429766, now seen corresponding path program 1 times [2023-04-02 03:15:02,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:02,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104519322] [2023-04-02 03:15:02,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:02,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:03,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:03,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:15:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2023-04-02 03:15:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,491 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:15:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:15:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:15:03,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-04-02 03:15:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:15:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:15:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:15:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:03,520 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:15:03,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:03,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104519322] [2023-04-02 03:15:03,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104519322] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:03,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:03,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:15:03,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727446549] [2023-04-02 03:15:03,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:03,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:15:03,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:03,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:15:03,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:15:03,522 INFO L87 Difference]: Start difference. First operand 2650 states and 4365 transitions. Second operand has 10 states, 10 states have (on average 9.4) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:15:16,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:16,284 INFO L93 Difference]: Finished difference Result 10369 states and 17820 transitions. [2023-04-02 03:15:16,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:15:16,284 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 163 [2023-04-02 03:15:16,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:16,317 INFO L225 Difference]: With dead ends: 10369 [2023-04-02 03:15:16,317 INFO L226 Difference]: Without dead ends: 8221 [2023-04-02 03:15:16,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:15:16,323 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1171 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 1131 mSolverCounterSat, 396 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1197 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 1527 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 396 IncrementalHoareTripleChecker+Valid, 1131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:16,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1197 Valid, 22 Invalid, 1527 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [396 Valid, 1131 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-02 03:15:16,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8221 states. [2023-04-02 03:15:21,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8221 to 4380. [2023-04-02 03:15:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4380 states, 4101 states have (on average 1.6464277005608388) internal successors, (6752), 4104 states have internal predecessors, (6752), 238 states have call successors, (238), 44 states have call predecessors, (238), 40 states have return successors, (233), 233 states have call predecessors, (233), 233 states have call successors, (233) [2023-04-02 03:15:21,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4380 states to 4380 states and 7223 transitions. [2023-04-02 03:15:21,770 INFO L78 Accepts]: Start accepts. Automaton has 4380 states and 7223 transitions. Word has length 163 [2023-04-02 03:15:21,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:21,770 INFO L495 AbstractCegarLoop]: Abstraction has 4380 states and 7223 transitions. [2023-04-02 03:15:21,770 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.4) internal successors, (94), 3 states have internal predecessors, (94), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:15:21,770 INFO L276 IsEmpty]: Start isEmpty. Operand 4380 states and 7223 transitions. [2023-04-02 03:15:21,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-04-02 03:15:21,783 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:21,783 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:15:21,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:15:21,783 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:21,784 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:21,784 INFO L85 PathProgramCache]: Analyzing trace with hash -91040315, now seen corresponding path program 1 times [2023-04-02 03:15:21,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:21,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846864802] [2023-04-02 03:15:21,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:21,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:22,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:22,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:22,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:22,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:22,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:15:22,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-04-02 03:15:22,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:15:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:15:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:15:22,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-04-02 03:15:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:22,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:15:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:15:22,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:15:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:22,432 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:15:22,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:22,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846864802] [2023-04-02 03:15:22,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846864802] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:22,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:22,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:15:22,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916868055] [2023-04-02 03:15:22,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:22,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:15:22,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:22,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:15:22,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:15:22,434 INFO L87 Difference]: Start difference. First operand 4380 states and 7223 transitions. Second operand has 10 states, 10 states have (on average 9.5) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:15:44,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:15:44,265 INFO L93 Difference]: Finished difference Result 18068 states and 30933 transitions. [2023-04-02 03:15:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:15:44,266 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 164 [2023-04-02 03:15:44,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:15:44,309 INFO L225 Difference]: With dead ends: 18068 [2023-04-02 03:15:44,309 INFO L226 Difference]: Without dead ends: 14408 [2023-04-02 03:15:44,323 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:15:44,324 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 2172 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1021 mSolverCounterSat, 688 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2197 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 1709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 688 IncrementalHoareTripleChecker+Valid, 1021 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:15:44,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2197 Valid, 18 Invalid, 1709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [688 Valid, 1021 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-04-02 03:15:44,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14408 states. [2023-04-02 03:15:54,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14408 to 7559. [2023-04-02 03:15:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7559 states, 7136 states have (on average 1.6349495515695067) internal successors, (11667), 7139 states have internal predecessors, (11667), 382 states have call successors, (382), 44 states have call predecessors, (382), 40 states have return successors, (377), 377 states have call predecessors, (377), 377 states have call successors, (377) [2023-04-02 03:15:54,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7559 states to 7559 states and 12426 transitions. [2023-04-02 03:15:54,458 INFO L78 Accepts]: Start accepts. Automaton has 7559 states and 12426 transitions. Word has length 164 [2023-04-02 03:15:54,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:15:54,459 INFO L495 AbstractCegarLoop]: Abstraction has 7559 states and 12426 transitions. [2023-04-02 03:15:54,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.5) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:15:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand 7559 states and 12426 transitions. [2023-04-02 03:15:54,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-02 03:15:54,476 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:15:54,476 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-04-02 03:15:54,476 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:15:54,477 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:15:54,477 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:15:54,477 INFO L85 PathProgramCache]: Analyzing trace with hash -1086665796, now seen corresponding path program 1 times [2023-04-02 03:15:54,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:15:54,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753440783] [2023-04-02 03:15:54,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:15:54,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:15:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:15:55,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:55,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:15:55,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:15:55,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:15:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:15:55,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 03:15:55,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:15:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 03:15:55,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:15:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:15:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:15:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:15:55,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:15:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:15:55,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:15:55,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:15:55,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:15:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-04-02 03:15:55,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:15:55,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753440783] [2023-04-02 03:15:55,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753440783] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:15:55,222 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:15:55,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-04-02 03:15:55,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120377303] [2023-04-02 03:15:55,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:15:55,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-04-02 03:15:55,223 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:15:55,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-04-02 03:15:55,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-04-02 03:15:55,223 INFO L87 Difference]: Start difference. First operand 7559 states and 12426 transitions. Second operand has 10 states, 10 states have (on average 9.6) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:16:35,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:16:35,412 INFO L93 Difference]: Finished difference Result 32708 states and 55563 transitions. [2023-04-02 03:16:35,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-04-02 03:16:35,413 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 165 [2023-04-02 03:16:35,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:16:35,505 INFO L225 Difference]: With dead ends: 32708 [2023-04-02 03:16:35,505 INFO L226 Difference]: Without dead ends: 26150 [2023-04-02 03:16:35,525 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=122, Invalid=220, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:16:35,526 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1363 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1389 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 1640 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:16:35,526 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1389 Valid, 24 Invalid, 1640 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2023-04-02 03:16:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26150 states. [2023-04-02 03:16:55,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26150 to 13533. [2023-04-02 03:16:55,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13533 states, 12836 states have (on average 1.6187285758803365) internal successors, (20778), 12839 states have internal predecessors, (20778), 656 states have call successors, (656), 44 states have call predecessors, (656), 40 states have return successors, (651), 651 states have call predecessors, (651), 651 states have call successors, (651) [2023-04-02 03:16:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13533 states to 13533 states and 22085 transitions. [2023-04-02 03:16:55,492 INFO L78 Accepts]: Start accepts. Automaton has 13533 states and 22085 transitions. Word has length 165 [2023-04-02 03:16:55,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:16:55,492 INFO L495 AbstractCegarLoop]: Abstraction has 13533 states and 22085 transitions. [2023-04-02 03:16:55,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.6) internal successors, (96), 3 states have internal predecessors, (96), 2 states have call successors, (34), 9 states have call predecessors, (34), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-04-02 03:16:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 13533 states and 22085 transitions. [2023-04-02 03:16:55,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-04-02 03:16:55,521 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:16:55,521 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 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] [2023-04-02 03:16:55,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:16:55,522 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:16:55,522 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:16:55,522 INFO L85 PathProgramCache]: Analyzing trace with hash -84790321, now seen corresponding path program 2 times [2023-04-02 03:16:55,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:16:55,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061194398] [2023-04-02 03:16:55,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:16:55,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:16:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:16:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:56,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:16:56,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:16:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:16:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:16:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-04-02 03:16:56,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-04-02 03:16:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:16:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-04-02 03:16:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:16:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:16:56,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-04-02 03:16:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:16:56,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:16:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:16:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:16:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:16:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:16:56,247 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:16:56,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:16:56,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1061194398] [2023-04-02 03:16:56,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1061194398] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:16:56,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:16:56,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:16:56,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733762173] [2023-04-02 03:16:56,247 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:16:56,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:16:56,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:16:56,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:16:56,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:16:56,249 INFO L87 Difference]: Start difference. First operand 13533 states and 22085 transitions. Second operand has 13 states, 13 states have (on average 6.846153846153846) internal successors, (89), 5 states have internal predecessors, (89), 2 states have call successors, (34), 9 states have call predecessors, (34), 2 states have return successors, (24), 3 states have call predecessors, (24), 2 states have call successors, (24)