/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_spec3_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:39:01,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:39:01,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:39:01,120 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:39:01,121 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:39:01,122 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:39:01,123 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:39:01,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:39:01,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:39:01,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:39:01,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:39:01,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:39:01,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:39:01,139 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:39:01,140 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:39:01,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:39:01,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:39:01,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:39:01,143 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:39:01,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:39:01,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:39:01,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:39:01,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:39:01,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:39:01,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:39:01,167 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:39:01,167 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:39:01,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:39:01,168 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:39:01,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:39:01,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:39:01,169 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:39:01,170 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:39:01,170 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:39:01,171 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:39:01,171 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:39:01,172 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:39:01,172 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:39:01,172 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:39:01,173 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:39:01,173 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:39:01,177 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 03:39:01,208 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:39:01,209 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:39:01,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:39:01,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:39:01,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:39:01,210 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:39:01,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:39:01,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:39:01,211 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:39:01,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:39:01,212 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:39:01,212 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:39:01,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:39:01,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:39:01,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:39:01,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:39:01,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:39:01,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:39:01,214 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:39:01,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:39:01,215 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:39:01,215 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:39:01,462 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:39:01,484 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:39:01,486 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:39:01,487 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:39:01,488 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:39:01,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2023-04-02 03:39:02,618 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:39:02,946 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:39:02,947 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec3_productSimulator.cil.c [2023-04-02 03:39:02,964 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95c13c8c/16ffd738e0874723b3fcc76b9b004866/FLAG60b1b7139 [2023-04-02 03:39:02,978 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a95c13c8c/16ffd738e0874723b3fcc76b9b004866 [2023-04-02 03:39:02,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:39:02,982 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:39:02,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:39:02,984 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:39:02,987 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:39:02,988 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:39:02" (1/1) ... [2023-04-02 03:39:02,989 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d200029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:02, skipping insertion in model container [2023-04-02 03:39:02,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:39:02" (1/1) ... [2023-04-02 03:39:02,997 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:39:03,059 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:39:03,309 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_spec3_productSimulator.cil.c[9250,9263] [2023-04-02 03:39:03,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:39:03,591 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:39:03,621 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_spec3_productSimulator.cil.c[9250,9263] [2023-04-02 03:39:03,679 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:39:03,736 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:39:03,741 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:39:03,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03 WrapperNode [2023-04-02 03:39:03,742 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:39:03,743 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:39:03,743 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:39:03,743 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:39:03,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,825 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,851 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,859 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:39:03,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:39:03,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:39:03,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:39:03,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (1/1) ... [2023-04-02 03:39:03,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:39:03,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:39:03,919 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 03:39:03,920 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 03:39:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:39:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:39:03,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2023-04-02 03:39:03,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:39:03,948 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2023-04-02 03:39:03,949 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2023-04-02 03:39:03,950 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:39:03,951 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:39:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:39:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:39:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:39:03,952 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:39:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:39:03,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:39:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:39:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-04-02 03:39:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:39:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:39:03,954 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-04-02 03:39:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:39:03,955 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:39:03,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:39:03,957 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:39:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:39:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:39:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:39:03,958 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:39:03,959 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:39:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:39:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:39:03,960 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:39:03,961 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:39:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:39:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:39:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:39:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:39:03,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2023-04-02 03:39:03,963 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:39:03,964 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:39:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:39:03,965 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:39:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:39:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:39:03,966 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:39:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:39:03,967 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:39:03,970 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:39:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:39:03,973 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-04-02 03:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-04-02 03:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2023-04-02 03:39:03,974 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2023-04-02 03:39:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:39:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:39:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:39:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:39:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:39:03,974 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:39:03,975 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:39:03,976 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:39:03,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:39:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:39:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:39:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:39:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:39:03,978 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:39:03,979 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:39:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:39:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:39:03,981 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:39:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:39:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:39:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:39:03,982 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:39:03,983 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2023-04-02 03:39:03,984 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:39:03,985 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:39:03,986 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:39:03,987 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:39:03,988 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:39:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:39:03,991 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:39:03,993 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:39:03,994 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:39:03,995 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2023-04-02 03:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2023-04-02 03:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2023-04-02 03:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2023-04-02 03:39:03,996 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2023-04-02 03:39:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2023-04-02 03:39:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:39:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:39:03,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:39:04,311 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:39:04,315 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:39:05,591 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:39:05,611 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:39:05,611 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:39:05,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:39:05 BoogieIcfgContainer [2023-04-02 03:39:05,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:39:05,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:39:05,616 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:39:05,618 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:39:05,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:39:02" (1/3) ... [2023-04-02 03:39:05,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa20d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:39:05, skipping insertion in model container [2023-04-02 03:39:05,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:39:03" (2/3) ... [2023-04-02 03:39:05,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa20d92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:39:05, skipping insertion in model container [2023-04-02 03:39:05,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:39:05" (3/3) ... [2023-04-02 03:39:05,622 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec3_productSimulator.cil.c [2023-04-02 03:39:05,637 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:39:05,637 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:39:05,716 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:39:05,721 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;@7e3d6b8a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:39:05,721 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:39:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand has 826 states, 528 states have (on average 1.441287878787879) internal successors, (761), 564 states have internal predecessors, (761), 184 states have call successors, (184), 108 states have call predecessors, (184), 108 states have return successors, (184), 169 states have call predecessors, (184), 184 states have call successors, (184) [2023-04-02 03:39:05,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2023-04-02 03:39:05,786 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:05,787 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-04-02 03:39:05,788 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:05,793 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:05,793 INFO L85 PathProgramCache]: Analyzing trace with hash -2125614607, now seen corresponding path program 1 times [2023-04-02 03:39:05,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:05,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902320125] [2023-04-02 03:39:05,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:05,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:06,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:07,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:39:07,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:39:07,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:07,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:39:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:39:07,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:39:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:39:07,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-04-02 03:39:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:07,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:39:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:07,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:39:07,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:07,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:39:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:07,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:39:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:39:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:39:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:39:07,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:39:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:39:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:07,733 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:39:07,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:07,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902320125] [2023-04-02 03:39:07,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902320125] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:07,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:07,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2023-04-02 03:39:07,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904813025] [2023-04-02 03:39:07,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:07,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-04-02 03:39:07,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:07,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-04-02 03:39:07,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2023-04-02 03:39:07,779 INFO L87 Difference]: Start difference. First operand has 826 states, 528 states have (on average 1.441287878787879) internal successors, (761), 564 states have internal predecessors, (761), 184 states have call successors, (184), 108 states have call predecessors, (184), 108 states have return successors, (184), 169 states have call predecessors, (184), 184 states have call successors, (184) Second operand has 16 states, 15 states have (on average 6.8) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (47), 12 states have call predecessors, (47), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-02 03:39:24,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:24,576 INFO L93 Difference]: Finished difference Result 2029 states and 2984 transitions. [2023-04-02 03:39:24,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-04-02 03:39:24,579 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 6.8) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (47), 12 states have call predecessors, (47), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 204 [2023-04-02 03:39:24,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:24,600 INFO L225 Difference]: With dead ends: 2029 [2023-04-02 03:39:24,600 INFO L226 Difference]: Without dead ends: 1203 [2023-04-02 03:39:24,608 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=547, Invalid=1615, Unknown=0, NotChecked=0, Total=2162 [2023-04-02 03:39:24,611 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 3239 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 8233 mSolverCounterSat, 1575 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3296 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 9808 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1575 IncrementalHoareTripleChecker+Valid, 8233 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:24,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3296 Valid, 196 Invalid, 9808 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1575 Valid, 8233 Invalid, 0 Unknown, 0 Unchecked, 13.7s Time] [2023-04-02 03:39:24,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1203 states. [2023-04-02 03:39:25,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1203 to 797. [2023-04-02 03:39:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 797 states, 513 states have (on average 1.428849902534113) internal successors, (733), 546 states have internal predecessors, (733), 179 states have call successors, (179), 108 states have call predecessors, (179), 104 states have return successors, (173), 159 states have call predecessors, (173), 173 states have call successors, (173) [2023-04-02 03:39:25,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 797 states and 1085 transitions. [2023-04-02 03:39:25,158 INFO L78 Accepts]: Start accepts. Automaton has 797 states and 1085 transitions. Word has length 204 [2023-04-02 03:39:25,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:25,161 INFO L495 AbstractCegarLoop]: Abstraction has 797 states and 1085 transitions. [2023-04-02 03:39:25,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 6.8) internal successors, (102), 5 states have internal predecessors, (102), 3 states have call successors, (47), 12 states have call predecessors, (47), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2023-04-02 03:39:25,161 INFO L276 IsEmpty]: Start isEmpty. Operand 797 states and 1085 transitions. [2023-04-02 03:39:25,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-02 03:39:25,171 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:25,171 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:25,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:39:25,173 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:25,173 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:25,173 INFO L85 PathProgramCache]: Analyzing trace with hash -1120860088, now seen corresponding path program 1 times [2023-04-02 03:39:25,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:25,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612379340] [2023-04-02 03:39:25,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:25,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:25,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:25,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:26,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:39:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:39:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:39:26,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:39:26,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:39:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:39:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-04-02 03:39:26,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:26,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:39:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:26,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:39:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:26,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:26,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:39:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:39:26,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:39:26,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:39:26,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:39:26,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:39:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:39:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:39:26,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:26,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612379340] [2023-04-02 03:39:26,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612379340] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:26,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:26,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:39:26,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261896085] [2023-04-02 03:39:26,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:26,236 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:39:26,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:26,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:39:26,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:39:26,238 INFO L87 Difference]: Start difference. First operand 797 states and 1085 transitions. Second operand has 14 states, 13 states have (on average 8.307692307692308) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (47), 12 states have call predecessors, (47), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2023-04-02 03:39:39,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:39,198 INFO L93 Difference]: Finished difference Result 1959 states and 2842 transitions. [2023-04-02 03:39:39,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-04-02 03:39:39,198 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 8.307692307692308) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (47), 12 states have call predecessors, (47), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) Word has length 210 [2023-04-02 03:39:39,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:39,205 INFO L225 Difference]: With dead ends: 1959 [2023-04-02 03:39:39,206 INFO L226 Difference]: Without dead ends: 1204 [2023-04-02 03:39:39,208 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=304, Invalid=818, Unknown=0, NotChecked=0, Total=1122 [2023-04-02 03:39:39,209 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 7932 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 3586 mSolverCounterSat, 3956 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7932 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 7542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3956 IncrementalHoareTripleChecker+Valid, 3586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:39,210 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7932 Valid, 34 Invalid, 7542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3956 Valid, 3586 Invalid, 0 Unknown, 0 Unchecked, 10.5s Time] [2023-04-02 03:39:39,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1204 states. [2023-04-02 03:39:39,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1204 to 798. [2023-04-02 03:39:39,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 515 states have (on average 1.4194174757281552) internal successors, (731), 546 states have internal predecessors, (731), 177 states have call successors, (177), 109 states have call predecessors, (177), 105 states have return successors, (171), 159 states have call predecessors, (171), 171 states have call successors, (171) [2023-04-02 03:39:39,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1079 transitions. [2023-04-02 03:39:39,670 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1079 transitions. Word has length 210 [2023-04-02 03:39:39,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:39,670 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1079 transitions. [2023-04-02 03:39:39,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 8.307692307692308) internal successors, (108), 4 states have internal predecessors, (108), 4 states have call successors, (47), 12 states have call predecessors, (47), 3 states have return successors, (32), 3 states have call predecessors, (32), 4 states have call successors, (32) [2023-04-02 03:39:39,670 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1079 transitions. [2023-04-02 03:39:39,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2023-04-02 03:39:39,674 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:39,675 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:39,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-04-02 03:39:39,675 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:39,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:39,676 INFO L85 PathProgramCache]: Analyzing trace with hash -1565439371, now seen corresponding path program 1 times [2023-04-02 03:39:39,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:39,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983674150] [2023-04-02 03:39:39,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:39,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:40,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:40,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:39:40,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:39:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:40,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:39:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:39:40,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:39:40,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:39:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2023-04-02 03:39:40,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:40,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:39:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:39:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:39:40,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:40,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:39:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:39:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:39:40,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:39:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:40,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:39:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:39:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:39:40,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:40,527 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:39:40,527 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:40,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983674150] [2023-04-02 03:39:40,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983674150] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:40,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:40,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2023-04-02 03:39:40,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125151758] [2023-04-02 03:39:40,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:40,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-04-02 03:39:40,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:40,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-04-02 03:39:40,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2023-04-02 03:39:40,531 INFO L87 Difference]: Start difference. First operand 798 states and 1079 transitions. Second operand has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (50), 13 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 03:39:52,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:39:52,918 INFO L93 Difference]: Finished difference Result 2009 states and 2898 transitions. [2023-04-02 03:39:52,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-04-02 03:39:52,919 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (50), 13 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) Word has length 225 [2023-04-02 03:39:52,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:39:52,927 INFO L225 Difference]: With dead ends: 2009 [2023-04-02 03:39:52,927 INFO L226 Difference]: Without dead ends: 1258 [2023-04-02 03:39:52,930 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 281 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=393, Invalid=1013, Unknown=0, NotChecked=0, Total=1406 [2023-04-02 03:39:52,931 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 7932 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 2247 mSolverCounterSat, 4018 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7933 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 6265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4018 IncrementalHoareTripleChecker+Valid, 2247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:39:52,931 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7933 Valid, 37 Invalid, 6265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4018 Valid, 2247 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2023-04-02 03:39:52,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1258 states. [2023-04-02 03:39:53,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1258 to 796. [2023-04-02 03:39:53,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 515 states have (on average 1.4135922330097088) internal successors, (728), 544 states have internal predecessors, (728), 175 states have call successors, (175), 109 states have call predecessors, (175), 105 states have return successors, (169), 159 states have call predecessors, (169), 169 states have call successors, (169) [2023-04-02 03:39:53,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1072 transitions. [2023-04-02 03:39:53,311 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1072 transitions. Word has length 225 [2023-04-02 03:39:53,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:39:53,312 INFO L495 AbstractCegarLoop]: Abstraction has 796 states and 1072 transitions. [2023-04-02 03:39:53,312 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.076923076923077) internal successors, (118), 3 states have internal predecessors, (118), 3 states have call successors, (50), 13 states have call predecessors, (50), 2 states have return successors, (34), 2 states have call predecessors, (34), 3 states have call successors, (34) [2023-04-02 03:39:53,312 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1072 transitions. [2023-04-02 03:39:53,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-04-02 03:39:53,315 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:39:53,316 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:39:53,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-04-02 03:39:53,316 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:39:53,316 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:39:53,316 INFO L85 PathProgramCache]: Analyzing trace with hash 428440980, now seen corresponding path program 1 times [2023-04-02 03:39:53,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:39:53,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616268830] [2023-04-02 03:39:53,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:39:53,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:39:53,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:39:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:39:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:39:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:39:53,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:39:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:39:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:39:53,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:39:53,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:39:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:53,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:39:53,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:54,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-04-02 03:39:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2023-04-02 03:39:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:39:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:39:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:39:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:39:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:39:54,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:39:54,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:39:54,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:39:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:39:54,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:39:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:39:54,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:39:54,202 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2023-04-02 03:39:54,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:39:54,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616268830] [2023-04-02 03:39:54,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [616268830] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:39:54,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:39:54,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2023-04-02 03:39:54,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178317209] [2023-04-02 03:39:54,203 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:39:54,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-04-02 03:39:54,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:39:54,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-04-02 03:39:54,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2023-04-02 03:39:54,204 INFO L87 Difference]: Start difference. First operand 796 states and 1072 transitions. Second operand has 15 states, 14 states have (on average 8.5) internal successors, (119), 4 states have internal predecessors, (119), 5 states have call successors, (50), 13 states have call predecessors, (50), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2023-04-02 03:40:06,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:06,850 INFO L93 Difference]: Finished difference Result 1994 states and 2836 transitions. [2023-04-02 03:40:06,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-02 03:40:06,851 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 8.5) internal successors, (119), 4 states have internal predecessors, (119), 5 states have call successors, (50), 13 states have call predecessors, (50), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) Word has length 226 [2023-04-02 03:40:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:06,857 INFO L225 Difference]: With dead ends: 1994 [2023-04-02 03:40:06,857 INFO L226 Difference]: Without dead ends: 1264 [2023-04-02 03:40:06,860 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=425, Invalid=1215, Unknown=0, NotChecked=0, Total=1640 [2023-04-02 03:40:06,861 INFO L413 NwaCegarLoop]: 13 mSDtfsCounter, 8456 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 3651 mSolverCounterSat, 4485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8456 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 8136 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4485 IncrementalHoareTripleChecker+Valid, 3651 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:06,861 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8456 Valid, 37 Invalid, 8136 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4485 Valid, 3651 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2023-04-02 03:40:06,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2023-04-02 03:40:07,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 796. [2023-04-02 03:40:07,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 796 states, 517 states have (on average 1.390715667311412) internal successors, (719), 535 states have internal predecessors, (719), 172 states have call successors, (172), 110 states have call predecessors, (172), 106 states have return successors, (166), 159 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-02 03:40:07,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 796 states and 1057 transitions. [2023-04-02 03:40:07,283 INFO L78 Accepts]: Start accepts. Automaton has 796 states and 1057 transitions. Word has length 226 [2023-04-02 03:40:07,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:07,283 INFO L495 AbstractCegarLoop]: Abstraction has 796 states and 1057 transitions. [2023-04-02 03:40:07,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 8.5) internal successors, (119), 4 states have internal predecessors, (119), 5 states have call successors, (50), 13 states have call predecessors, (50), 3 states have return successors, (34), 4 states have call predecessors, (34), 5 states have call successors, (34) [2023-04-02 03:40:07,284 INFO L276 IsEmpty]: Start isEmpty. Operand 796 states and 1057 transitions. [2023-04-02 03:40:07,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-04-02 03:40:07,288 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:07,288 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:07,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-04-02 03:40:07,288 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:07,289 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:07,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1619164227, now seen corresponding path program 1 times [2023-04-02 03:40:07,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:07,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193690206] [2023-04-02 03:40:07,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:07,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:08,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:08,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:40:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:40:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:08,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:40:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:40:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:40:08,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:40:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:08,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:08,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:08,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:40:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:08,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:40:08,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:08,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:40:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:40:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:40:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:40:08,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:08,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:40:08,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2023-04-02 03:40:08,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2023-04-02 03:40:08,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2023-04-02 03:40:08,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:08,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193690206] [2023-04-02 03:40:08,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193690206] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:40:08,586 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560924568] [2023-04-02 03:40:08,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:08,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:08,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:40:08,589 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 03:40:08,621 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 03:40:09,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:09,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 3172 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:40:09,221 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:40:09,264 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 03:40:09,265 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:40:09,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1560924568] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:09,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:40:09,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [23] total 24 [2023-04-02 03:40:09,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714754125] [2023-04-02 03:40:09,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:09,266 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:40:09,266 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:09,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:40:09,267 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:40:09,267 INFO L87 Difference]: Start difference. First operand 796 states and 1057 transitions. Second operand has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 03:40:09,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:09,665 INFO L93 Difference]: Finished difference Result 1242 states and 1631 transitions. [2023-04-02 03:40:09,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:40:09,666 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 253 [2023-04-02 03:40:09,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:09,669 INFO L225 Difference]: With dead ends: 1242 [2023-04-02 03:40:09,670 INFO L226 Difference]: Without dead ends: 799 [2023-04-02 03:40:09,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 340 GetRequests, 318 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:40:09,672 INFO L413 NwaCegarLoop]: 1051 mSDtfsCounter, 1 mSDsluCounter, 1049 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2100 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 03:40:09,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2100 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:40:09,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-04-02 03:40:10,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 798. [2023-04-02 03:40:10,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 798 states, 519 states have (on average 1.3892100192678227) internal successors, (721), 537 states have internal predecessors, (721), 172 states have call successors, (172), 110 states have call predecessors, (172), 106 states have return successors, (166), 159 states have call predecessors, (166), 166 states have call successors, (166) [2023-04-02 03:40:10,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 798 states and 1059 transitions. [2023-04-02 03:40:10,053 INFO L78 Accepts]: Start accepts. Automaton has 798 states and 1059 transitions. Word has length 253 [2023-04-02 03:40:10,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:10,053 INFO L495 AbstractCegarLoop]: Abstraction has 798 states and 1059 transitions. [2023-04-02 03:40:10,054 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.666666666666664) internal successors, (128), 3 states have internal predecessors, (128), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 03:40:10,054 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1059 transitions. [2023-04-02 03:40:10,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2023-04-02 03:40:10,056 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:10,056 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:10,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-04-02 03:40:10,267 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:10,268 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:10,269 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:10,269 INFO L85 PathProgramCache]: Analyzing trace with hash -332029433, now seen corresponding path program 1 times [2023-04-02 03:40:10,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:10,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599557068] [2023-04-02 03:40:10,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:10,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:11,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:11,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:40:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:11,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:40:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:11,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:40:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:40:11,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:40:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:40:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:11,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:11,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:11,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:11,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:40:11,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:11,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:11,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:40:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:40:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:40:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:40:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2023-04-02 03:40:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2023-04-02 03:40:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2023-04-02 03:40:11,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-04-02 03:40:11,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:11,599 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 03:40:11,599 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:11,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [599557068] [2023-04-02 03:40:11,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [599557068] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:40:11,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658227108] [2023-04-02 03:40:11,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:11,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:11,600 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:40:11,601 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 03:40:11,623 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 03:40:12,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:12,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:40:12,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:40:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-04-02 03:40:12,209 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:40:12,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658227108] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:12,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:40:12,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [23] total 24 [2023-04-02 03:40:12,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91288606] [2023-04-02 03:40:12,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:12,211 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:40:12,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:12,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:40:12,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:40:12,212 INFO L87 Difference]: Start difference. First operand 798 states and 1059 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 03:40:12,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:12,811 INFO L93 Difference]: Finished difference Result 1531 states and 2072 transitions. [2023-04-02 03:40:12,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:40:12,812 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) Word has length 261 [2023-04-02 03:40:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:12,816 INFO L225 Difference]: With dead ends: 1531 [2023-04-02 03:40:12,816 INFO L226 Difference]: Without dead ends: 853 [2023-04-02 03:40:12,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=63, Invalid=489, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:40:12,822 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 68 mSDsluCounter, 1045 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 2101 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:12,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 2101 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:40:12,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-04-02 03:40:13,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 852. [2023-04-02 03:40:13,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 852 states, 563 states have (on average 1.4014209591474245) internal successors, (789), 584 states have internal predecessors, (789), 182 states have call successors, (182), 110 states have call predecessors, (182), 106 states have return successors, (176), 169 states have call predecessors, (176), 176 states have call successors, (176) [2023-04-02 03:40:13,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 852 states and 1147 transitions. [2023-04-02 03:40:13,276 INFO L78 Accepts]: Start accepts. Automaton has 852 states and 1147 transitions. Word has length 261 [2023-04-02 03:40:13,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:13,277 INFO L495 AbstractCegarLoop]: Abstraction has 852 states and 1147 transitions. [2023-04-02 03:40:13,277 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 3 states have internal predecessors, (136), 2 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (40), 2 states have call predecessors, (40), 2 states have call successors, (40) [2023-04-02 03:40:13,277 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1147 transitions. [2023-04-02 03:40:13,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-04-02 03:40:13,280 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:13,280 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:13,293 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 03:40:13,490 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,SelfDestructingSolverStorable5 [2023-04-02 03:40:13,491 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:13,491 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:13,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1911589437, now seen corresponding path program 1 times [2023-04-02 03:40:13,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:13,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212835379] [2023-04-02 03:40:13,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:13,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:14,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:14,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:14,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:40:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:14,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:40:14,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:14,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:40:14,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:40:14,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:40:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:40:14,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:14,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:14,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-04-02 03:40:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:14,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:14,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:40:14,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:14,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:40:14,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:40:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:40:14,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2023-04-02 03:40:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2023-04-02 03:40:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2023-04-02 03:40:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2023-04-02 03:40:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:14,837 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 03:40:14,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:14,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212835379] [2023-04-02 03:40:14,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212835379] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:40:14,840 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1221027174] [2023-04-02 03:40:14,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:14,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:14,840 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:40:14,841 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 03:40:14,844 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 03:40:15,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:15,397 INFO L262 TraceCheckSpWp]: Trace formula consists of 3191 conjuncts, 10 conjunts are in the unsatisfiable core [2023-04-02 03:40:15,405 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:40:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-02 03:40:15,704 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:40:15,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1221027174] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:15,704 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:40:15,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [23] total 31 [2023-04-02 03:40:15,705 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651653542] [2023-04-02 03:40:15,705 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:15,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-04-02 03:40:15,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:15,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-04-02 03:40:15,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=845, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:40:15,707 INFO L87 Difference]: Start difference. First operand 852 states and 1147 transitions. Second operand has 11 states, 9 states have (on average 16.444444444444443) internal successors, (148), 11 states have internal predecessors, (148), 7 states have call successors, (56), 3 states have call predecessors, (56), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2023-04-02 03:40:17,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:17,434 INFO L93 Difference]: Finished difference Result 1634 states and 2218 transitions. [2023-04-02 03:40:17,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-04-02 03:40:17,435 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 16.444444444444443) internal successors, (148), 11 states have internal predecessors, (148), 7 states have call successors, (56), 3 states have call predecessors, (56), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) Word has length 262 [2023-04-02 03:40:17,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:17,439 INFO L225 Difference]: With dead ends: 1634 [2023-04-02 03:40:17,439 INFO L226 Difference]: Without dead ends: 866 [2023-04-02 03:40:17,441 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=105, Invalid=1085, Unknown=0, NotChecked=0, Total=1190 [2023-04-02 03:40:17,441 INFO L413 NwaCegarLoop]: 1059 mSDtfsCounter, 962 mSDsluCounter, 5781 mSDsCounter, 0 mSdLazyCounter, 2498 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 971 SdHoareTripleChecker+Valid, 6840 SdHoareTripleChecker+Invalid, 2500 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 2498 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:17,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [971 Valid, 6840 Invalid, 2500 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 2498 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-04-02 03:40:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 866 states. [2023-04-02 03:40:17,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 866 to 866. [2023-04-02 03:40:17,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 866 states, 574 states have (on average 1.4041811846689896) internal successors, (806), 596 states have internal predecessors, (806), 182 states have call successors, (182), 112 states have call predecessors, (182), 109 states have return successors, (177), 169 states have call predecessors, (177), 176 states have call successors, (177) [2023-04-02 03:40:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1165 transitions. [2023-04-02 03:40:17,995 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1165 transitions. Word has length 262 [2023-04-02 03:40:17,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:17,996 INFO L495 AbstractCegarLoop]: Abstraction has 866 states and 1165 transitions. [2023-04-02 03:40:17,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 16.444444444444443) internal successors, (148), 11 states have internal predecessors, (148), 7 states have call successors, (56), 3 states have call predecessors, (56), 7 states have return successors, (40), 5 states have call predecessors, (40), 7 states have call successors, (40) [2023-04-02 03:40:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1165 transitions. [2023-04-02 03:40:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2023-04-02 03:40:17,999 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:18,000 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:18,010 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 03:40:18,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:18,211 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:18,211 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:18,211 INFO L85 PathProgramCache]: Analyzing trace with hash -442345180, now seen corresponding path program 1 times [2023-04-02 03:40:18,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:18,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083407311] [2023-04-02 03:40:18,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:18,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:18,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:18,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:18,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:40:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:40:18,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:18,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:40:18,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:40:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:40:18,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:18,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:40:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:19,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:19,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:19,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2023-04-02 03:40:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:19,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:40:19,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:19,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:40:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 03:40:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:40:19,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2023-04-02 03:40:19,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:19,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2023-04-02 03:40:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2023-04-02 03:40:19,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2023-04-02 03:40:19,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:40:19,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:19,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083407311] [2023-04-02 03:40:19,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083407311] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:40:19,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1245366295] [2023-04-02 03:40:19,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:19,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:19,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:40:19,387 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 03:40:19,409 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 03:40:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:20,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 3192 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:40:20,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:40:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-04-02 03:40:20,202 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:40:20,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1245366295] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:20,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:40:20,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [22] total 28 [2023-04-02 03:40:20,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241439724] [2023-04-02 03:40:20,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:20,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:40:20,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:20,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:40:20,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=679, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:40:20,204 INFO L87 Difference]: Start difference. First operand 866 states and 1165 transitions. Second operand has 9 states, 8 states have (on average 18.625) internal successors, (149), 9 states have internal predecessors, (149), 5 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (40), 6 states have call predecessors, (40), 5 states have call successors, (40) [2023-04-02 03:40:21,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:21,584 INFO L93 Difference]: Finished difference Result 1635 states and 2222 transitions. [2023-04-02 03:40:21,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:40:21,585 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 18.625) internal successors, (149), 9 states have internal predecessors, (149), 5 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (40), 6 states have call predecessors, (40), 5 states have call successors, (40) Word has length 263 [2023-04-02 03:40:21,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:21,588 INFO L225 Difference]: With dead ends: 1635 [2023-04-02 03:40:21,589 INFO L226 Difference]: Without dead ends: 868 [2023-04-02 03:40:21,591 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=92, Invalid=838, Unknown=0, NotChecked=0, Total=930 [2023-04-02 03:40:21,591 INFO L413 NwaCegarLoop]: 1056 mSDtfsCounter, 952 mSDsluCounter, 4248 mSDsCounter, 0 mSdLazyCounter, 1871 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 962 SdHoareTripleChecker+Valid, 5304 SdHoareTripleChecker+Invalid, 1873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:21,592 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [962 Valid, 5304 Invalid, 1873 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1871 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-04-02 03:40:21,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 868 states. [2023-04-02 03:40:22,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 868 to 868. [2023-04-02 03:40:22,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 868 states, 575 states have (on average 1.4034782608695653) internal successors, (807), 598 states have internal predecessors, (807), 182 states have call successors, (182), 112 states have call predecessors, (182), 110 states have return successors, (179), 169 states have call predecessors, (179), 176 states have call successors, (179) [2023-04-02 03:40:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 868 states and 1168 transitions. [2023-04-02 03:40:22,088 INFO L78 Accepts]: Start accepts. Automaton has 868 states and 1168 transitions. Word has length 263 [2023-04-02 03:40:22,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:22,089 INFO L495 AbstractCegarLoop]: Abstraction has 868 states and 1168 transitions. [2023-04-02 03:40:22,089 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 18.625) internal successors, (149), 9 states have internal predecessors, (149), 5 states have call successors, (56), 3 states have call predecessors, (56), 6 states have return successors, (40), 6 states have call predecessors, (40), 5 states have call successors, (40) [2023-04-02 03:40:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 868 states and 1168 transitions. [2023-04-02 03:40:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2023-04-02 03:40:22,092 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:22,092 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:22,103 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 03:40:22,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:40:22,303 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:22,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:22,304 INFO L85 PathProgramCache]: Analyzing trace with hash -430912904, now seen corresponding path program 1 times [2023-04-02 03:40:22,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:22,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656270791] [2023-04-02 03:40:22,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:22,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:23,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:23,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:40:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:23,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:40:23,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:23,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:40:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:40:23,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:40:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:40:23,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:23,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:23,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:40:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:23,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:40:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:23,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:40:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 03:40:23,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:40:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2023-04-02 03:40:23,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:23,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2023-04-02 03:40:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2023-04-02 03:40:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2023-04-02 03:40:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:23,616 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-04-02 03:40:23,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:23,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656270791] [2023-04-02 03:40:23,616 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656270791] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:23,616 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:23,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-04-02 03:40:23,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300389216] [2023-04-02 03:40:23,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:23,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 03:40:23,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:23,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 03:40:23,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:40:23,619 INFO L87 Difference]: Start difference. First operand 868 states and 1168 transitions. Second operand has 23 states, 19 states have (on average 7.526315789473684) internal successors, (143), 11 states have internal predecessors, (143), 8 states have call successors, (56), 14 states have call predecessors, (56), 6 states have return successors, (40), 5 states have call predecessors, (40), 8 states have call successors, (40) [2023-04-02 03:40:42,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:40:42,232 INFO L93 Difference]: Finished difference Result 2236 states and 3217 transitions. [2023-04-02 03:40:42,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-04-02 03:40:42,233 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 7.526315789473684) internal successors, (143), 11 states have internal predecessors, (143), 8 states have call successors, (56), 14 states have call predecessors, (56), 6 states have return successors, (40), 5 states have call predecessors, (40), 8 states have call successors, (40) Word has length 264 [2023-04-02 03:40:42,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:40:42,237 INFO L225 Difference]: With dead ends: 2236 [2023-04-02 03:40:42,238 INFO L226 Difference]: Without dead ends: 1478 [2023-04-02 03:40:42,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1289 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1014, Invalid=4242, Unknown=0, NotChecked=0, Total=5256 [2023-04-02 03:40:42,243 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8638 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 13810 mSolverCounterSat, 4462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8639 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 18272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4462 IncrementalHoareTripleChecker+Valid, 13810 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:40:42,243 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8639 Valid, 152 Invalid, 18272 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4462 Valid, 13810 Invalid, 0 Unknown, 0 Unchecked, 13.0s Time] [2023-04-02 03:40:42,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1478 states. [2023-04-02 03:40:42,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1478 to 878. [2023-04-02 03:40:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 584 states have (on average 1.4023972602739727) internal successors, (819), 606 states have internal predecessors, (819), 182 states have call successors, (182), 114 states have call predecessors, (182), 111 states have return successors, (178), 169 states have call predecessors, (178), 176 states have call successors, (178) [2023-04-02 03:40:42,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1179 transitions. [2023-04-02 03:40:42,697 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1179 transitions. Word has length 264 [2023-04-02 03:40:42,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:40:42,698 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1179 transitions. [2023-04-02 03:40:42,698 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 7.526315789473684) internal successors, (143), 11 states have internal predecessors, (143), 8 states have call successors, (56), 14 states have call predecessors, (56), 6 states have return successors, (40), 5 states have call predecessors, (40), 8 states have call successors, (40) [2023-04-02 03:40:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1179 transitions. [2023-04-02 03:40:42,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-04-02 03:40:42,701 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:40:42,701 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:40:42,701 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:40:42,701 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:40:42,702 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:40:42,702 INFO L85 PathProgramCache]: Analyzing trace with hash -503033663, now seen corresponding path program 2 times [2023-04-02 03:40:42,702 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:40:42,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890915900] [2023-04-02 03:40:42,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:40:42,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:40:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:43,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:43,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:40:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:40:43,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:40:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:40:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:40:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:40:43,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:40:43,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:40:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:43,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:40:43,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:40:43,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:43,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:43,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:40:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:40:43,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:40:43,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:40:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:40:43,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:40:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 03:40:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:40:43,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2023-04-02 03:40:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:40:43,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2023-04-02 03:40:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2023-04-02 03:40:43,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2023-04-02 03:40:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:40:43,844 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:40:43,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:40:43,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890915900] [2023-04-02 03:40:43,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890915900] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:40:43,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:40:43,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:40:43,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744276738] [2023-04-02 03:40:43,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:40:43,845 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:40:43,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:40:43,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:40:43,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:40:43,846 INFO L87 Difference]: Start difference. First operand 878 states and 1179 transitions. Second operand has 22 states, 18 states have (on average 8.166666666666666) internal successors, (147), 9 states have internal predecessors, (147), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:41:02,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:02,080 INFO L93 Difference]: Finished difference Result 2236 states and 3214 transitions. [2023-04-02 03:41:02,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-04-02 03:41:02,080 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.166666666666666) internal successors, (147), 9 states have internal predecessors, (147), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 265 [2023-04-02 03:41:02,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:02,087 INFO L225 Difference]: With dead ends: 2236 [2023-04-02 03:41:02,087 INFO L226 Difference]: Without dead ends: 1491 [2023-04-02 03:41:02,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=909, Invalid=3647, Unknown=0, NotChecked=0, Total=4556 [2023-04-02 03:41:02,091 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7950 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 12291 mSolverCounterSat, 4283 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7951 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 16574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4283 IncrementalHoareTripleChecker+Valid, 12291 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.8s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:02,091 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7951 Valid, 140 Invalid, 16574 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4283 Valid, 12291 Invalid, 0 Unknown, 0 Unchecked, 12.8s Time] [2023-04-02 03:41:02,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2023-04-02 03:41:02,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 883. [2023-04-02 03:41:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 586 states have (on average 1.401023890784983) internal successors, (821), 609 states have internal predecessors, (821), 183 states have call successors, (183), 114 states have call predecessors, (183), 113 states have return successors, (181), 171 states have call predecessors, (181), 177 states have call successors, (181) [2023-04-02 03:41:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1185 transitions. [2023-04-02 03:41:02,556 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1185 transitions. Word has length 265 [2023-04-02 03:41:02,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:02,556 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1185 transitions. [2023-04-02 03:41:02,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.166666666666666) internal successors, (147), 9 states have internal predecessors, (147), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:41:02,556 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1185 transitions. [2023-04-02 03:41:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-02 03:41:02,559 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:02,559 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:02,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:41:02,560 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:02,560 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:02,560 INFO L85 PathProgramCache]: Analyzing trace with hash -1659237327, now seen corresponding path program 3 times [2023-04-02 03:41:02,560 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:02,560 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075535718] [2023-04-02 03:41:02,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:02,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:03,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:03,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:41:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:03,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:41:03,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:41:03,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:41:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:41:03,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:41:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:41:03,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:03,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:03,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:41:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:41:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:41:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:03,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:41:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:41:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:41:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:41:03,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 03:41:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 03:41:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 03:41:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:03,736 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2023-04-02 03:41:03,737 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:03,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075535718] [2023-04-02 03:41:03,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075535718] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:03,737 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:03,737 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2023-04-02 03:41:03,737 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373254447] [2023-04-02 03:41:03,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:03,738 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2023-04-02 03:41:03,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:03,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-04-02 03:41:03,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=445, Unknown=0, NotChecked=0, Total=506 [2023-04-02 03:41:03,742 INFO L87 Difference]: Start difference. First operand 883 states and 1185 transitions. Second operand has 23 states, 19 states have (on average 7.578947368421052) internal successors, (144), 11 states have internal predecessors, (144), 8 states have call successors, (56), 14 states have call predecessors, (56), 6 states have return successors, (40), 5 states have call predecessors, (40), 8 states have call successors, (40) [2023-04-02 03:41:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:22,732 INFO L93 Difference]: Finished difference Result 2234 states and 3213 transitions. [2023-04-02 03:41:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-04-02 03:41:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 19 states have (on average 7.578947368421052) internal successors, (144), 11 states have internal predecessors, (144), 8 states have call successors, (56), 14 states have call predecessors, (56), 6 states have return successors, (40), 5 states have call predecessors, (40), 8 states have call successors, (40) Word has length 266 [2023-04-02 03:41:22,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:22,741 INFO L225 Difference]: With dead ends: 2234 [2023-04-02 03:41:22,742 INFO L226 Difference]: Without dead ends: 1480 [2023-04-02 03:41:22,745 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1293 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=1014, Invalid=4242, Unknown=0, NotChecked=0, Total=5256 [2023-04-02 03:41:22,745 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 3938 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 13940 mSolverCounterSat, 2123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3939 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 16063 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2123 IncrementalHoareTripleChecker+Valid, 13940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:22,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3939 Valid, 156 Invalid, 16063 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2123 Valid, 13940 Invalid, 0 Unknown, 0 Unchecked, 13.3s Time] [2023-04-02 03:41:22,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2023-04-02 03:41:23,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 878. [2023-04-02 03:41:23,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 584 states have (on average 1.4006849315068493) internal successors, (818), 606 states have internal predecessors, (818), 182 states have call successors, (182), 114 states have call predecessors, (182), 111 states have return successors, (178), 169 states have call predecessors, (178), 176 states have call successors, (178) [2023-04-02 03:41:23,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1178 transitions. [2023-04-02 03:41:23,205 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1178 transitions. Word has length 266 [2023-04-02 03:41:23,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:23,205 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1178 transitions. [2023-04-02 03:41:23,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 19 states have (on average 7.578947368421052) internal successors, (144), 11 states have internal predecessors, (144), 8 states have call successors, (56), 14 states have call predecessors, (56), 6 states have return successors, (40), 5 states have call predecessors, (40), 8 states have call successors, (40) [2023-04-02 03:41:23,206 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1178 transitions. [2023-04-02 03:41:23,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-02 03:41:23,209 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:23,209 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:23,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:41:23,209 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:23,209 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:23,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1830110947, now seen corresponding path program 1 times [2023-04-02 03:41:23,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:23,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802384479] [2023-04-02 03:41:23,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:23,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:23,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:41:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:41:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:41:23,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:41:23,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:41:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:41:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:41:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:23,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:23,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:23,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:41:24,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:24,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:41:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:24,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:24,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:41:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:41:24,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:41:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:41:24,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:41:24,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:24,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 03:41:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 03:41:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 03:41:24,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:24,247 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:41:24,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:24,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802384479] [2023-04-02 03:41:24,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802384479] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:24,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:24,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:41:24,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669332805] [2023-04-02 03:41:24,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:24,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:41:24,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:24,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:41:24,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:41:24,249 INFO L87 Difference]: Start difference. First operand 878 states and 1178 transitions. Second operand has 22 states, 18 states have (on average 8.222222222222221) internal successors, (148), 9 states have internal predecessors, (148), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:41:41,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:41:41,981 INFO L93 Difference]: Finished difference Result 2227 states and 3201 transitions. [2023-04-02 03:41:41,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-04-02 03:41:41,982 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.222222222222221) internal successors, (148), 9 states have internal predecessors, (148), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 266 [2023-04-02 03:41:41,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:41:41,988 INFO L225 Difference]: With dead ends: 2227 [2023-04-02 03:41:41,989 INFO L226 Difference]: Without dead ends: 1482 [2023-04-02 03:41:41,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1016 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=868, Invalid=3422, Unknown=0, NotChecked=0, Total=4290 [2023-04-02 03:41:41,992 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 7252 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12166 mSolverCounterSat, 3951 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7253 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 16117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3951 IncrementalHoareTripleChecker+Valid, 12166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:41:41,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7253 Valid, 138 Invalid, 16117 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3951 Valid, 12166 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-04-02 03:41:41,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1482 states. [2023-04-02 03:41:42,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1482 to 883. [2023-04-02 03:41:42,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 883 states, 586 states have (on average 1.3993174061433447) internal successors, (820), 609 states have internal predecessors, (820), 183 states have call successors, (183), 114 states have call predecessors, (183), 113 states have return successors, (181), 171 states have call predecessors, (181), 177 states have call successors, (181) [2023-04-02 03:41:42,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1184 transitions. [2023-04-02 03:41:42,468 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1184 transitions. Word has length 266 [2023-04-02 03:41:42,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:41:42,469 INFO L495 AbstractCegarLoop]: Abstraction has 883 states and 1184 transitions. [2023-04-02 03:41:42,469 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.222222222222221) internal successors, (148), 9 states have internal predecessors, (148), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:41:42,469 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1184 transitions. [2023-04-02 03:41:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2023-04-02 03:41:42,471 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:41:42,471 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:42,472 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:41:42,472 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:41:42,472 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:41:42,472 INFO L85 PathProgramCache]: Analyzing trace with hash -1466644449, now seen corresponding path program 1 times [2023-04-02 03:41:42,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:41:42,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350207218] [2023-04-02 03:41:42,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:41:42,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:41:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:43,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:41:43,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:41:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:43,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:41:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:41:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:41:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:41:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:41:43,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:41:43,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:41:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:41:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:41:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:43,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:41:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:41:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:41:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:41:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:41:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:41:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:41:43,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:41:43,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:41:43,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2023-04-02 03:41:43,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:41:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2023-04-02 03:41:43,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2023-04-02 03:41:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2023-04-02 03:41:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:41:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:41:43,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:41:43,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350207218] [2023-04-02 03:41:43,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350207218] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:41:43,481 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:41:43,481 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:41:43,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673705869] [2023-04-02 03:41:43,481 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:41:43,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:41:43,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:41:43,483 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:41:43,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:41:43,483 INFO L87 Difference]: Start difference. First operand 883 states and 1184 transitions. Second operand has 22 states, 18 states have (on average 8.222222222222221) internal successors, (148), 9 states have internal predecessors, (148), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:42:03,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:03,311 INFO L93 Difference]: Finished difference Result 2225 states and 3198 transitions. [2023-04-02 03:42:03,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2023-04-02 03:42:03,312 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.222222222222221) internal successors, (148), 9 states have internal predecessors, (148), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 266 [2023-04-02 03:42:03,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:03,317 INFO L225 Difference]: With dead ends: 2225 [2023-04-02 03:42:03,317 INFO L226 Difference]: Without dead ends: 1480 [2023-04-02 03:42:03,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1277 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1061, Invalid=3909, Unknown=0, NotChecked=0, Total=4970 [2023-04-02 03:42:03,320 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 8324 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 12245 mSolverCounterSat, 4326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8325 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 16571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4326 IncrementalHoareTripleChecker+Valid, 12245 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:03,320 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8325 Valid, 138 Invalid, 16571 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4326 Valid, 12245 Invalid, 0 Unknown, 0 Unchecked, 12.6s Time] [2023-04-02 03:42:03,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1480 states. [2023-04-02 03:42:03,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1480 to 878. [2023-04-02 03:42:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 584 states have (on average 1.4006849315068493) internal successors, (818), 606 states have internal predecessors, (818), 182 states have call successors, (182), 114 states have call predecessors, (182), 111 states have return successors, (177), 169 states have call predecessors, (177), 176 states have call successors, (177) [2023-04-02 03:42:03,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1177 transitions. [2023-04-02 03:42:03,840 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1177 transitions. Word has length 266 [2023-04-02 03:42:03,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:03,840 INFO L495 AbstractCegarLoop]: Abstraction has 878 states and 1177 transitions. [2023-04-02 03:42:03,840 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.222222222222221) internal successors, (148), 9 states have internal predecessors, (148), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:42:03,840 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1177 transitions. [2023-04-02 03:42:03,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-04-02 03:42:03,843 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:03,843 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:03,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-04-02 03:42:03,843 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:03,843 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:03,843 INFO L85 PathProgramCache]: Analyzing trace with hash 151039829, now seen corresponding path program 2 times [2023-04-02 03:42:03,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:03,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056803646] [2023-04-02 03:42:03,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:03,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:04,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:04,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:04,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:42:04,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:42:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:04,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:42:04,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:42:04,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:42:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:42:04,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:42:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:42:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:04,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:42:04,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:42:04,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,679 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:42:04,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:42:04,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:04,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:42:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:42:04,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:42:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:42:04,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:42:04,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 03:42:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-04-02 03:42:04,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-04-02 03:42:04,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:04,919 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:42:04,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:04,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056803646] [2023-04-02 03:42:04,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056803646] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:04,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:42:04,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:42:04,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420740079] [2023-04-02 03:42:04,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:04,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:42:04,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:04,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:42:04,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:42:04,921 INFO L87 Difference]: Start difference. First operand 878 states and 1177 transitions. Second operand has 22 states, 18 states have (on average 8.277777777777779) internal successors, (149), 9 states have internal predecessors, (149), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:42:22,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:42:22,732 INFO L93 Difference]: Finished difference Result 2231 states and 3207 transitions. [2023-04-02 03:42:22,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2023-04-02 03:42:22,732 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 8.277777777777779) internal successors, (149), 9 states have internal predecessors, (149), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) Word has length 267 [2023-04-02 03:42:22,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:42:22,739 INFO L225 Difference]: With dead ends: 2231 [2023-04-02 03:42:22,739 INFO L226 Difference]: Without dead ends: 1486 [2023-04-02 03:42:22,742 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=868, Invalid=3422, Unknown=0, NotChecked=0, Total=4290 [2023-04-02 03:42:22,742 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 9298 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 11961 mSolverCounterSat, 4963 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9299 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 16924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4963 IncrementalHoareTripleChecker+Valid, 11961 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:42:22,742 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9299 Valid, 138 Invalid, 16924 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4963 Valid, 11961 Invalid, 0 Unknown, 0 Unchecked, 12.4s Time] [2023-04-02 03:42:22,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1486 states. [2023-04-02 03:42:23,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1486 to 885. [2023-04-02 03:42:23,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 885 states, 587 states have (on average 1.3986371379897786) internal successors, (821), 611 states have internal predecessors, (821), 183 states have call successors, (183), 114 states have call predecessors, (183), 114 states have return successors, (183), 171 states have call predecessors, (183), 177 states have call successors, (183) [2023-04-02 03:42:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 885 states and 1187 transitions. [2023-04-02 03:42:23,259 INFO L78 Accepts]: Start accepts. Automaton has 885 states and 1187 transitions. Word has length 267 [2023-04-02 03:42:23,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:42:23,260 INFO L495 AbstractCegarLoop]: Abstraction has 885 states and 1187 transitions. [2023-04-02 03:42:23,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 8.277777777777779) internal successors, (149), 9 states have internal predecessors, (149), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40) [2023-04-02 03:42:23,260 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1187 transitions. [2023-04-02 03:42:23,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2023-04-02 03:42:23,262 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:42:23,263 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:42:23,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:42:23,263 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:42:23,263 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:42:23,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1466400621, now seen corresponding path program 2 times [2023-04-02 03:42:23,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:42:23,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390186214] [2023-04-02 03:42:23,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:42:23,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:42:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:24,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:24,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:42:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-04-02 03:42:24,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2023-04-02 03:42:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:42:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:42:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2023-04-02 03:42:24,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2023-04-02 03:42:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2023-04-02 03:42:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2023-04-02 03:42:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:42:24,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:42:24,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2023-04-02 03:42:24,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:42:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:42:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2023-04-02 03:42:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2023-04-02 03:42:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:42:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:42:24,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:42:24,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:42:24,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:42:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:42:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2023-04-02 03:42:24,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:42:24,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2023-04-02 03:42:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2023-04-02 03:42:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2023-04-02 03:42:24,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:42:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-04-02 03:42:24,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:42:24,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390186214] [2023-04-02 03:42:24,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390186214] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:42:24,409 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:42:24,409 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2023-04-02 03:42:24,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587025336] [2023-04-02 03:42:24,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:42:24,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2023-04-02 03:42:24,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:42:24,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2023-04-02 03:42:24,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-04-02 03:42:24,411 INFO L87 Difference]: Start difference. First operand 885 states and 1187 transitions. Second operand has 22 states, 18 states have (on average 8.277777777777779) internal successors, (149), 9 states have internal predecessors, (149), 6 states have call successors, (56), 14 states have call predecessors, (56), 5 states have return successors, (40), 4 states have call predecessors, (40), 6 states have call successors, (40)