/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_spec6_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-04-02 03:46:45,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-04-02 03:46:45,720 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-04-02 03:46:45,743 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-04-02 03:46:45,743 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-04-02 03:46:45,744 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-04-02 03:46:45,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-04-02 03:46:45,755 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-04-02 03:46:45,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-04-02 03:46:45,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-04-02 03:46:45,762 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-04-02 03:46:45,763 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-04-02 03:46:45,763 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-04-02 03:46:45,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-04-02 03:46:45,768 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-04-02 03:46:45,771 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-04-02 03:46:45,771 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-04-02 03:46:45,772 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-04-02 03:46:45,773 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-04-02 03:46:45,774 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-04-02 03:46:45,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-04-02 03:46:45,776 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-04-02 03:46:45,777 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-04-02 03:46:45,777 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-04-02 03:46:45,780 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-04-02 03:46:45,780 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-04-02 03:46:45,780 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-04-02 03:46:45,781 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-04-02 03:46:45,781 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-04-02 03:46:45,781 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-04-02 03:46:45,782 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-04-02 03:46:45,782 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-04-02 03:46:45,783 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-04-02 03:46:45,783 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-04-02 03:46:45,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-04-02 03:46:45,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-04-02 03:46:45,787 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-04-02 03:46:45,788 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-04-02 03:46:45,788 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-04-02 03:46:45,790 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-04-02 03:46:45,791 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-04-02 03:46:45,792 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 03:46:45,824 INFO L113 SettingsManager]: Loading preferences was successful [2023-04-02 03:46:45,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-04-02 03:46:45,825 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-04-02 03:46:45,825 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-04-02 03:46:45,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-04-02 03:46:45,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-04-02 03:46:45,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-04-02 03:46:45,826 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-04-02 03:46:45,826 INFO L138 SettingsManager]: * Use SBE=true [2023-04-02 03:46:45,827 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-04-02 03:46:45,827 INFO L138 SettingsManager]: * sizeof long=4 [2023-04-02 03:46:45,827 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-04-02 03:46:45,827 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-04-02 03:46:45,827 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * sizeof long double=12 [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Use constant arrays=true [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-04-02 03:46:45,828 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-04-02 03:46:45,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:46:45,829 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-04-02 03:46:45,829 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-04-02 03:46:45,830 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-04-02 03:46:45,830 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-04-02 03:46:46,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-04-02 03:46:46,047 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-04-02 03:46:46,049 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-04-02 03:46:46,049 INFO L271 PluginConnector]: Initializing CDTParser... [2023-04-02 03:46:46,052 INFO L275 PluginConnector]: CDTParser initialized [2023-04-02 03:46:46,053 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product29.cil.c [2023-04-02 03:46:47,196 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-04-02 03:46:47,455 INFO L351 CDTParser]: Found 1 translation units. [2023-04-02 03:46:47,456 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product29.cil.c [2023-04-02 03:46:47,475 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e00b6475/836e33cdcad74d3c89ab8fce46e3478b/FLAG41f7d7112 [2023-04-02 03:46:47,486 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e00b6475/836e33cdcad74d3c89ab8fce46e3478b [2023-04-02 03:46:47,488 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-04-02 03:46:47,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-04-02 03:46:47,490 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-04-02 03:46:47,490 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-04-02 03:46:47,493 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-04-02 03:46:47,493 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:46:47" (1/1) ... [2023-04-02 03:46:47,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55e2d1c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:47, skipping insertion in model container [2023-04-02 03:46:47,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.04 03:46:47" (1/1) ... [2023-04-02 03:46:47,499 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-04-02 03:46:47,545 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-04-02 03:46:47,906 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_spec6_product29.cil.c[42927,42940] [2023-04-02 03:46:47,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:46:47,964 INFO L203 MainTranslator]: Completed pre-run [2023-04-02 03:46:48,048 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_spec6_product29.cil.c[42927,42940] [2023-04-02 03:46:48,068 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-04-02 03:46:48,087 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-04-02 03:46:48,092 INFO L208 MainTranslator]: Completed translation [2023-04-02 03:46:48,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48 WrapperNode [2023-04-02 03:46:48,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-04-02 03:46:48,102 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-04-02 03:46:48,102 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-04-02 03:46:48,102 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-04-02 03:46:48,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,138 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,139 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,190 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,196 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-04-02 03:46:48,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-04-02 03:46:48,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-04-02 03:46:48,217 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-04-02 03:46:48,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (1/1) ... [2023-04-02 03:46:48,233 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-04-02 03:46:48,243 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:46:48,262 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 03:46:48,283 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 03:46:48,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-04-02 03:46:48,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-04-02 03:46:48,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-02 03:46:48,300 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-04-02 03:46:48,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-04-02 03:46:48,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-04-02 03:46:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-04-02 03:46:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-04-02 03:46:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-04-02 03:46:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-04-02 03:46:48,303 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-04-02 03:46:48,304 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-04-02 03:46:48,305 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-04-02 03:46:48,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-04-02 03:46:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-04-02 03:46:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-04-02 03:46:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-04-02 03:46:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-04-02 03:46:48,307 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-04-02 03:46:48,308 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-04-02 03:46:48,309 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-04-02 03:46:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-04-02 03:46:48,310 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-04-02 03:46:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-04-02 03:46:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-04-02 03:46:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-04-02 03:46:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-04-02 03:46:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-04-02 03:46:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-04-02 03:46:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-04-02 03:46:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-04-02 03:46:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-04-02 03:46:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-04-02 03:46:48,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-04-02 03:46:48,314 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-04-02 03:46:48,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-04-02 03:46:48,320 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-04-02 03:46:48,321 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-04-02 03:46:48,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-04-02 03:46:48,323 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-04-02 03:46:48,324 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-04-02 03:46:48,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-04-02 03:46:48,615 INFO L236 CfgBuilder]: Building ICFG [2023-04-02 03:46:48,646 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-04-02 03:46:49,664 INFO L277 CfgBuilder]: Performing block encoding [2023-04-02 03:46:49,674 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-04-02 03:46:49,674 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-04-02 03:46:49,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:46:49 BoogieIcfgContainer [2023-04-02 03:46:49,677 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-04-02 03:46:49,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-04-02 03:46:49,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-04-02 03:46:49,681 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-04-02 03:46:49,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.04 03:46:47" (1/3) ... [2023-04-02 03:46:49,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eb03f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:46:49, skipping insertion in model container [2023-04-02 03:46:49,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.04 03:46:48" (2/3) ... [2023-04-02 03:46:49,682 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77eb03f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.04 03:46:49, skipping insertion in model container [2023-04-02 03:46:49,682 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.04 03:46:49" (3/3) ... [2023-04-02 03:46:49,683 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product29.cil.c [2023-04-02 03:46:49,695 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-04-02 03:46:49,695 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-04-02 03:46:49,739 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-04-02 03:46:49,744 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;@12cedbf5, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-04-02 03:46:49,744 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-04-02 03:46:49,751 INFO L276 IsEmpty]: Start isEmpty. Operand has 610 states, 398 states have (on average 1.4472361809045227) internal successors, (576), 407 states have internal predecessors, (576), 125 states have call successors, (125), 77 states have call predecessors, (125), 77 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) [2023-04-02 03:46:49,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-04-02 03:46:49,766 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:46:49,767 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:49,768 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:46:49,771 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:46:49,771 INFO L85 PathProgramCache]: Analyzing trace with hash -838555681, now seen corresponding path program 1 times [2023-04-02 03:46:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:46:49,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213704487] [2023-04-02 03:46:49,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:46:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:46:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:46:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:46:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:46:50,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:46:50,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:50,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:46:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:50,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:46:50,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:46:50,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-04-02 03:46:50,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:46:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-04-02 03:46:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:46:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:46:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-04-02 03:46:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:46:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:46:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:46:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:46:50,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:46:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:46:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-04-02 03:46:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:46:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:46:50,937 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 03:46:50,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:46:50,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213704487] [2023-04-02 03:46:50,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [213704487] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:46:50,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:46:50,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2023-04-02 03:46:50,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592031503] [2023-04-02 03:46:50,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:46:50,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-04-02 03:46:50,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:46:50,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-04-02 03:46:50,974 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2023-04-02 03:46:50,977 INFO L87 Difference]: Start difference. First operand has 610 states, 398 states have (on average 1.4472361809045227) internal successors, (576), 407 states have internal predecessors, (576), 125 states have call successors, (125), 77 states have call predecessors, (125), 77 states have return successors, (125), 124 states have call predecessors, (125), 125 states have call successors, (125) Second operand has 12 states, 12 states have (on average 8.25) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:46:59,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:46:59,734 INFO L93 Difference]: Finished difference Result 1350 states and 2064 transitions. [2023-04-02 03:46:59,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2023-04-02 03:46:59,753 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 198 [2023-04-02 03:46:59,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:46:59,776 INFO L225 Difference]: With dead ends: 1350 [2023-04-02 03:46:59,776 INFO L226 Difference]: Without dead ends: 902 [2023-04-02 03:46:59,784 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 812 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=646, Invalid=2006, Unknown=0, NotChecked=0, Total=2652 [2023-04-02 03:46:59,787 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 3370 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 2298 mSolverCounterSat, 1582 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3410 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 3880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1582 IncrementalHoareTripleChecker+Valid, 2298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:46:59,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3410 Valid, 164 Invalid, 3880 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1582 Valid, 2298 Invalid, 0 Unknown, 0 Unchecked, 7.2s Time] [2023-04-02 03:46:59,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 902 states. [2023-04-02 03:47:00,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 902 to 553. [2023-04-02 03:47:00,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 553 states, 367 states have (on average 1.4632152588555858) internal successors, (537), 373 states have internal predecessors, (537), 113 states have call successors, (113), 76 states have call predecessors, (113), 72 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 03:47:00,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 758 transitions. [2023-04-02 03:47:00,115 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 758 transitions. Word has length 198 [2023-04-02 03:47:00,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:00,116 INFO L495 AbstractCegarLoop]: Abstraction has 553 states and 758 transitions. [2023-04-02 03:47:00,116 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 8.25) internal successors, (99), 2 states have internal predecessors, (99), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:47:00,116 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 758 transitions. [2023-04-02 03:47:00,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-04-02 03:47:00,119 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:00,120 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:00,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-04-02 03:47:00,120 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:00,120 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:00,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1760523321, now seen corresponding path program 1 times [2023-04-02 03:47:00,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:00,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515522114] [2023-04-02 03:47:00,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:00,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:00,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:00,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:00,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:00,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:00,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:00,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:00,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:01,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:01,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:01,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-04-02 03:47:01,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:01,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-04-02 03:47:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:01,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:47:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:47:01,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:47:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:47:01,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:47:01,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:47:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:01,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:47:01,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:47:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:47:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:47:01,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,156 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-04-02 03:47:01,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:01,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515522114] [2023-04-02 03:47:01,157 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515522114] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:01,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [808532511] [2023-04-02 03:47:01,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:01,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:01,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:01,160 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 03:47:01,173 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 03:47:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:01,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 2553 conjuncts, 2 conjunts are in the unsatisfiable core [2023-04-02 03:47:01,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:01,662 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 03:47:01,662 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:01,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [808532511] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:01,663 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:01,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:47:01,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378989940] [2023-04-02 03:47:01,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:01,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:47:01,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:01,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:47:01,669 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:01,669 INFO L87 Difference]: Start difference. First operand 553 states and 758 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:47:01,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:01,960 INFO L93 Difference]: Finished difference Result 844 states and 1138 transitions. [2023-04-02 03:47:01,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:47:01,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 199 [2023-04-02 03:47:01,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:01,965 INFO L225 Difference]: With dead ends: 844 [2023-04-02 03:47:01,966 INFO L226 Difference]: Without dead ends: 556 [2023-04-02 03:47:01,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:01,968 INFO L413 NwaCegarLoop]: 756 mSDtfsCounter, 1 mSDsluCounter, 754 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1510 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 03:47:01,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1510 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:47:01,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2023-04-02 03:47:02,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 555. [2023-04-02 03:47:02,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 555 states, 369 states have (on average 1.4607046070460705) internal successors, (539), 375 states have internal predecessors, (539), 113 states have call successors, (113), 76 states have call predecessors, (113), 72 states have return successors, (108), 107 states have call predecessors, (108), 108 states have call successors, (108) [2023-04-02 03:47:02,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 760 transitions. [2023-04-02 03:47:02,242 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 760 transitions. Word has length 199 [2023-04-02 03:47:02,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:02,244 INFO L495 AbstractCegarLoop]: Abstraction has 555 states and 760 transitions. [2023-04-02 03:47:02,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 3 states have internal predecessors, (100), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:47:02,244 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 760 transitions. [2023-04-02 03:47:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2023-04-02 03:47:02,250 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:02,251 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:02,259 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-04-02 03:47:02,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:02,452 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:02,452 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:02,452 INFO L85 PathProgramCache]: Analyzing trace with hash 479562683, now seen corresponding path program 1 times [2023-04-02 03:47:02,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:02,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055622119] [2023-04-02 03:47:02,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:02,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:02,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:03,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:03,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:03,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-04-02 03:47:03,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:03,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:47:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:47:03,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-04-02 03:47:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:47:03,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:47:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:47:03,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:47:03,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:03,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:47:03,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-04-02 03:47:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:47:03,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:47:03,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,421 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:47:03,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:03,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055622119] [2023-04-02 03:47:03,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055622119] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:03,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1570374877] [2023-04-02 03:47:03,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:03,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:03,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:03,422 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 03:47:03,429 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 03:47:03,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:03,882 INFO L262 TraceCheckSpWp]: Trace formula consists of 2565 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:47:03,887 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:03,919 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-04-02 03:47:03,919 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:03,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1570374877] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:03,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:03,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [19] total 20 [2023-04-02 03:47:03,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224529567] [2023-04-02 03:47:03,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:03,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-04-02 03:47:03,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:03,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-04-02 03:47:03,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:03,921 INFO L87 Difference]: Start difference. First operand 555 states and 760 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:47:04,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:04,220 INFO L93 Difference]: Finished difference Result 1086 states and 1518 transitions. [2023-04-02 03:47:04,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-04-02 03:47:04,220 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 205 [2023-04-02 03:47:04,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:04,224 INFO L225 Difference]: With dead ends: 1086 [2023-04-02 03:47:04,224 INFO L226 Difference]: Without dead ends: 596 [2023-04-02 03:47:04,226 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 277 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:04,227 INFO L413 NwaCegarLoop]: 767 mSDtfsCounter, 52 mSDsluCounter, 751 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1518 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 03:47:04,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1518 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-04-02 03:47:04,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2023-04-02 03:47:04,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 595. [2023-04-02 03:47:04,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 401 states have (on average 1.4763092269326683) internal successors, (592), 407 states have internal predecessors, (592), 121 states have call successors, (121), 76 states have call predecessors, (121), 72 states have return successors, (116), 115 states have call predecessors, (116), 116 states have call successors, (116) [2023-04-02 03:47:04,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 829 transitions. [2023-04-02 03:47:04,477 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 829 transitions. Word has length 205 [2023-04-02 03:47:04,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:04,477 INFO L495 AbstractCegarLoop]: Abstraction has 595 states and 829 transitions. [2023-04-02 03:47:04,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:47:04,477 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 829 transitions. [2023-04-02 03:47:04,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-04-02 03:47:04,479 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:04,479 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:04,490 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 03:47:04,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-04-02 03:47:04,691 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:04,691 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:04,691 INFO L85 PathProgramCache]: Analyzing trace with hash 48763573, now seen corresponding path program 1 times [2023-04-02 03:47:04,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:04,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623187188] [2023-04-02 03:47:04,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:04,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:05,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:05,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-04-02 03:47:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:05,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-04-02 03:47:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:05,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-04-02 03:47:05,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:47:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-04-02 03:47:05,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:47:05,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:47:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:47:05,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:47:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-04-02 03:47:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-04-02 03:47:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:47:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:47:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:05,721 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:47:05,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:05,722 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623187188] [2023-04-02 03:47:05,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623187188] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:05,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1539968019] [2023-04-02 03:47:05,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:05,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:05,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:05,726 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 03:47:05,729 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 03:47:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:06,173 INFO L262 TraceCheckSpWp]: Trace formula consists of 2570 conjuncts, 8 conjunts are in the unsatisfiable core [2023-04-02 03:47:06,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:06,392 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 03:47:06,392 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:06,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1539968019] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:06,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:06,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [19] total 25 [2023-04-02 03:47:06,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100995684] [2023-04-02 03:47:06,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:06,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-04-02 03:47:06,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:06,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-04-02 03:47:06,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=531, Unknown=0, NotChecked=0, Total=600 [2023-04-02 03:47:06,395 INFO L87 Difference]: Start difference. First operand 595 states and 829 transitions. Second operand has 9 states, 7 states have (on average 16.857142857142858) internal successors, (118), 9 states have internal predecessors, (118), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-04-02 03:47:07,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:07,376 INFO L93 Difference]: Finished difference Result 1168 states and 1638 transitions. [2023-04-02 03:47:07,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-04-02 03:47:07,377 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.857142857142858) internal successors, (118), 9 states have internal predecessors, (118), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) Word has length 206 [2023-04-02 03:47:07,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:07,380 INFO L225 Difference]: With dead ends: 1168 [2023-04-02 03:47:07,380 INFO L226 Difference]: Without dead ends: 609 [2023-04-02 03:47:07,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=84, Invalid=672, Unknown=0, NotChecked=0, Total=756 [2023-04-02 03:47:07,383 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 713 mSDsluCounter, 3406 mSDsCounter, 0 mSdLazyCounter, 1281 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 721 SdHoareTripleChecker+Valid, 4169 SdHoareTripleChecker+Invalid, 1283 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:07,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [721 Valid, 4169 Invalid, 1283 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1281 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-04-02 03:47:07,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2023-04-02 03:47:07,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2023-04-02 03:47:07,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 412 states have (on average 1.4781553398058251) internal successors, (609), 419 states have internal predecessors, (609), 121 states have call successors, (121), 78 states have call predecessors, (121), 75 states have return successors, (117), 115 states have call predecessors, (117), 116 states have call successors, (117) [2023-04-02 03:47:07,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 847 transitions. [2023-04-02 03:47:07,669 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 847 transitions. Word has length 206 [2023-04-02 03:47:07,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:07,670 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 847 transitions. [2023-04-02 03:47:07,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.857142857142858) internal successors, (118), 9 states have internal predecessors, (118), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-04-02 03:47:07,670 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 847 transitions. [2023-04-02 03:47:07,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-04-02 03:47:07,672 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:07,673 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:07,692 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 03:47:07,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:07,881 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:07,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:07,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1878968351, now seen corresponding path program 1 times [2023-04-02 03:47:07,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:07,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686651687] [2023-04-02 03:47:07,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:07,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:08,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:08,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:08,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:08,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-04-02 03:47:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-04-02 03:47:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-04-02 03:47:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:47:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-04-02 03:47:08,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:47:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:47:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:47:08,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:47:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:47:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:47:08,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2023-04-02 03:47:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 03:47:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:08,858 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:47:08,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:08,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686651687] [2023-04-02 03:47:08,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686651687] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:47:08,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1228622460] [2023-04-02 03:47:08,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:08,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:08,859 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:47:08,860 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 03:47:08,862 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 03:47:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:09,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 2571 conjuncts, 6 conjunts are in the unsatisfiable core [2023-04-02 03:47:09,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:47:09,448 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-04-02 03:47:09,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-04-02 03:47:09,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1228622460] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:09,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-04-02 03:47:09,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [20] total 24 [2023-04-02 03:47:09,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725286283] [2023-04-02 03:47:09,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:09,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-04-02 03:47:09,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:09,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-04-02 03:47:09,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=487, Unknown=0, NotChecked=0, Total=552 [2023-04-02 03:47:09,450 INFO L87 Difference]: Start difference. First operand 609 states and 847 transitions. Second operand has 7 states, 6 states have (on average 19.833333333333332) internal successors, (119), 7 states have internal predecessors, (119), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2023-04-02 03:47:10,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:10,280 INFO L93 Difference]: Finished difference Result 1169 states and 1642 transitions. [2023-04-02 03:47:10,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-04-02 03:47:10,281 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.833333333333332) internal successors, (119), 7 states have internal predecessors, (119), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 207 [2023-04-02 03:47:10,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:10,283 INFO L225 Difference]: With dead ends: 1169 [2023-04-02 03:47:10,283 INFO L226 Difference]: Without dead ends: 611 [2023-04-02 03:47:10,285 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 283 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=75, Invalid=575, Unknown=0, NotChecked=0, Total=650 [2023-04-02 03:47:10,286 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 709 mSDsluCounter, 2189 mSDsCounter, 0 mSdLazyCounter, 858 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 717 SdHoareTripleChecker+Valid, 2951 SdHoareTripleChecker+Invalid, 860 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 858 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:10,286 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [717 Valid, 2951 Invalid, 860 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 858 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-04-02 03:47:10,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2023-04-02 03:47:10,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 611. [2023-04-02 03:47:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 611 states, 413 states have (on average 1.476997578692494) internal successors, (610), 421 states have internal predecessors, (610), 121 states have call successors, (121), 78 states have call predecessors, (121), 76 states have return successors, (119), 115 states have call predecessors, (119), 116 states have call successors, (119) [2023-04-02 03:47:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 850 transitions. [2023-04-02 03:47:10,552 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 850 transitions. Word has length 207 [2023-04-02 03:47:10,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:10,552 INFO L495 AbstractCegarLoop]: Abstraction has 611 states and 850 transitions. [2023-04-02 03:47:10,552 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.833333333333332) internal successors, (119), 7 states have internal predecessors, (119), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) [2023-04-02 03:47:10,552 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 850 transitions. [2023-04-02 03:47:10,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-04-02 03:47:10,554 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:10,554 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:10,575 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-04-02 03:47:10,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:47:10,763 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:10,763 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:10,763 INFO L85 PathProgramCache]: Analyzing trace with hash 2107295492, now seen corresponding path program 1 times [2023-04-02 03:47:10,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:10,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505140505] [2023-04-02 03:47:10,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:10,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:10,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:11,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:11,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:11,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:11,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:11,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:11,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-04-02 03:47:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-04-02 03:47:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:47:11,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-04-02 03:47:11,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:47:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:47:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-04-02 03:47:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:47:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:11,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:47:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:47:11,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2023-04-02 03:47:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 03:47:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-04-02 03:47:11,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:11,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505140505] [2023-04-02 03:47:11,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505140505] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:11,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:11,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:47:11,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930035882] [2023-04-02 03:47:11,720 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:11,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:47:11,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:11,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:47:11,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:47:11,721 INFO L87 Difference]: Start difference. First operand 611 states and 850 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-04-02 03:47:23,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:23,648 INFO L93 Difference]: Finished difference Result 1612 states and 2408 transitions. [2023-04-02 03:47:23,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:47:23,648 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) Word has length 208 [2023-04-02 03:47:23,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:23,653 INFO L225 Difference]: With dead ends: 1612 [2023-04-02 03:47:23,653 INFO L226 Difference]: Without dead ends: 1060 [2023-04-02 03:47:23,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=647, Invalid=2433, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:47:23,655 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3926 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8402 mSolverCounterSat, 1846 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3929 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 10248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1846 IncrementalHoareTripleChecker+Valid, 8402 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:23,655 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3929 Valid, 81 Invalid, 10248 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1846 Valid, 8402 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 03:47:23,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1060 states. [2023-04-02 03:47:23,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1060 to 621. [2023-04-02 03:47:23,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 422 states have (on average 1.4739336492890995) internal successors, (622), 429 states have internal predecessors, (622), 121 states have call successors, (121), 80 states have call predecessors, (121), 77 states have return successors, (118), 115 states have call predecessors, (118), 116 states have call successors, (118) [2023-04-02 03:47:23,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 861 transitions. [2023-04-02 03:47:23,935 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 861 transitions. Word has length 208 [2023-04-02 03:47:23,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:23,935 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 861 transitions. [2023-04-02 03:47:23,936 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-04-02 03:47:23,936 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 861 transitions. [2023-04-02 03:47:23,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2023-04-02 03:47:23,938 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:23,938 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:23,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-04-02 03:47:23,938 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:23,938 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:23,938 INFO L85 PathProgramCache]: Analyzing trace with hash 1722666880, now seen corresponding path program 2 times [2023-04-02 03:47:23,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:23,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [885398767] [2023-04-02 03:47:23,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:23,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:23,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:24,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:24,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:24,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:24,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-04-02 03:47:24,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:24,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-04-02 03:47:24,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:47:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:47:24,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-04-02 03:47:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:47:24,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-04-02 03:47:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:47:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:47:24,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:47:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-04-02 03:47:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:47:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:24,864 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:47:24,864 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:24,864 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [885398767] [2023-04-02 03:47:24,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [885398767] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:24,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:24,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:47:24,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726829342] [2023-04-02 03:47:24,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:24,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:47:24,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:24,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:47:24,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:24,866 INFO L87 Difference]: Start difference. First operand 621 states and 861 transitions. Second operand has 20 states, 17 states have (on average 6.882352941176471) internal successors, (117), 9 states have internal predecessors, (117), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:47:37,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:37,392 INFO L93 Difference]: Finished difference Result 1614 states and 2413 transitions. [2023-04-02 03:47:37,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:47:37,393 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.882352941176471) internal successors, (117), 9 states have internal predecessors, (117), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 209 [2023-04-02 03:47:37,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:37,398 INFO L225 Difference]: With dead ends: 1614 [2023-04-02 03:47:37,398 INFO L226 Difference]: Without dead ends: 1073 [2023-04-02 03:47:37,400 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 782 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=678, Invalid=2744, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:47:37,400 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 5608 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9165 mSolverCounterSat, 2740 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5611 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 11905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2740 IncrementalHoareTripleChecker+Valid, 9165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:37,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5611 Valid, 88 Invalid, 11905 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2740 Valid, 9165 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2023-04-02 03:47:37,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2023-04-02 03:47:37,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 626. [2023-04-02 03:47:37,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 424 states have (on average 1.471698113207547) internal successors, (624), 432 states have internal predecessors, (624), 122 states have call successors, (122), 80 states have call predecessors, (122), 79 states have return successors, (121), 117 states have call predecessors, (121), 117 states have call successors, (121) [2023-04-02 03:47:37,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 867 transitions. [2023-04-02 03:47:37,719 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 867 transitions. Word has length 209 [2023-04-02 03:47:37,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:37,720 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 867 transitions. [2023-04-02 03:47:37,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.882352941176471) internal successors, (117), 9 states have internal predecessors, (117), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:47:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 867 transitions. [2023-04-02 03:47:37,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-02 03:47:37,722 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:37,723 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:37,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-04-02 03:47:37,723 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:37,723 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:37,723 INFO L85 PathProgramCache]: Analyzing trace with hash -814475617, now seen corresponding path program 1 times [2023-04-02 03:47:37,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:37,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713678041] [2023-04-02 03:47:37,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:37,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:38,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:47:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:47:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:47:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:47:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:47:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:47:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:47:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:47:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:38,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:47:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:47:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:47:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:47:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:38,686 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:47:38,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:38,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713678041] [2023-04-02 03:47:38,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713678041] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:38,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:38,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:47:38,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300419040] [2023-04-02 03:47:38,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:38,687 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:47:38,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:38,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:47:38,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:38,688 INFO L87 Difference]: Start difference. First operand 626 states and 867 transitions. Second operand has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:47:51,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:47:51,089 INFO L93 Difference]: Finished difference Result 1614 states and 2412 transitions. [2023-04-02 03:47:51,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-04-02 03:47:51,090 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 210 [2023-04-02 03:47:51,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:47:51,094 INFO L225 Difference]: With dead ends: 1614 [2023-04-02 03:47:51,094 INFO L226 Difference]: Without dead ends: 1073 [2023-04-02 03:47:51,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 779 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=678, Invalid=2744, Unknown=0, NotChecked=0, Total=3422 [2023-04-02 03:47:51,096 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4353 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 9092 mSolverCounterSat, 2099 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4356 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 11191 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2099 IncrementalHoareTripleChecker+Valid, 9092 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:47:51,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4356 Valid, 88 Invalid, 11191 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2099 Valid, 9092 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 03:47:51,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1073 states. [2023-04-02 03:47:51,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1073 to 626. [2023-04-02 03:47:51,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 424 states have (on average 1.471698113207547) internal successors, (624), 432 states have internal predecessors, (624), 122 states have call successors, (122), 80 states have call predecessors, (122), 79 states have return successors, (121), 117 states have call predecessors, (121), 117 states have call successors, (121) [2023-04-02 03:47:51,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 867 transitions. [2023-04-02 03:47:51,410 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 867 transitions. Word has length 210 [2023-04-02 03:47:51,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:47:51,410 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 867 transitions. [2023-04-02 03:47:51,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:47:51,410 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 867 transitions. [2023-04-02 03:47:51,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-02 03:47:51,412 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:47:51,412 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:51,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-04-02 03:47:51,413 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:47:51,413 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:47:51,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1354905123, now seen corresponding path program 1 times [2023-04-02 03:47:51,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:47:51,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091677027] [2023-04-02 03:47:51,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:47:51,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:47:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:47:52,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:52,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:47:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:47:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:47:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:47:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:47:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:47:52,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:47:52,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:47:52,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:47:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:47:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:47:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:47:52,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:47:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:47:52,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:47:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:47:52,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:47:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:47:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:47:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:47:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:47:52,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:47:52,608 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:47:52,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:47:52,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091677027] [2023-04-02 03:47:52,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091677027] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:47:52,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:47:52,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:47:52,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649771920] [2023-04-02 03:47:52,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:47:52,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:47:52,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:47:52,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:47:52,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:47:52,610 INFO L87 Difference]: Start difference. First operand 626 states and 867 transitions. Second operand has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:48:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:06,655 INFO L93 Difference]: Finished difference Result 1603 states and 2392 transitions. [2023-04-02 03:48:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:48:06,656 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 210 [2023-04-02 03:48:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:06,660 INFO L225 Difference]: With dead ends: 1603 [2023-04-02 03:48:06,660 INFO L226 Difference]: Without dead ends: 1062 [2023-04-02 03:48:06,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 931 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=802, Invalid=2980, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:48:06,663 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4192 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9614 mSolverCounterSat, 1889 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4195 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 11503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1889 IncrementalHoareTripleChecker+Valid, 9614 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:06,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4195 Valid, 90 Invalid, 11503 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1889 Valid, 9614 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-04-02 03:48:06,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-04-02 03:48:06,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 621. [2023-04-02 03:48:06,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 422 states have (on average 1.4739336492890995) internal successors, (622), 429 states have internal predecessors, (622), 121 states have call successors, (121), 80 states have call predecessors, (121), 77 states have return successors, (117), 115 states have call predecessors, (117), 116 states have call successors, (117) [2023-04-02 03:48:06,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 860 transitions. [2023-04-02 03:48:06,982 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 860 transitions. Word has length 210 [2023-04-02 03:48:06,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:06,983 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 860 transitions. [2023-04-02 03:48:06,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 6.9411764705882355) internal successors, (118), 9 states have internal predecessors, (118), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:48:06,983 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 860 transitions. [2023-04-02 03:48:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2023-04-02 03:48:06,985 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:06,985 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:06,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-04-02 03:48:06,985 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:06,986 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:06,986 INFO L85 PathProgramCache]: Analyzing trace with hash -1769082265, now seen corresponding path program 3 times [2023-04-02 03:48:06,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:06,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757150264] [2023-04-02 03:48:06,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:07,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:07,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:07,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:07,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:07,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:07,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:07,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-04-02 03:48:07,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-04-02 03:48:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:48:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:48:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-04-02 03:48:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:48:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-04-02 03:48:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:48:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:07,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:48:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:48:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2023-04-02 03:48:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:48:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:07,835 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-04-02 03:48:07,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:07,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757150264] [2023-04-02 03:48:07,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757150264] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:07,836 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:07,836 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-04-02 03:48:07,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651496792] [2023-04-02 03:48:07,836 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:07,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-04-02 03:48:07,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:07,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-04-02 03:48:07,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2023-04-02 03:48:07,838 INFO L87 Difference]: Start difference. First operand 621 states and 860 transitions. Second operand has 19 states, 16 states have (on average 7.125) internal successors, (114), 9 states have internal predecessors, (114), 6 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-04-02 03:48:19,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:19,620 INFO L93 Difference]: Finished difference Result 1610 states and 2402 transitions. [2023-04-02 03:48:19,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:48:19,621 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.125) internal successors, (114), 9 states have internal predecessors, (114), 6 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) Word has length 210 [2023-04-02 03:48:19,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:19,625 INFO L225 Difference]: With dead ends: 1610 [2023-04-02 03:48:19,625 INFO L226 Difference]: Without dead ends: 1062 [2023-04-02 03:48:19,627 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 705 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=647, Invalid=2433, Unknown=0, NotChecked=0, Total=3080 [2023-04-02 03:48:19,628 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3133 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 8352 mSolverCounterSat, 1497 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3136 SdHoareTripleChecker+Valid, 83 SdHoareTripleChecker+Invalid, 9849 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1497 IncrementalHoareTripleChecker+Valid, 8352 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:19,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3136 Valid, 83 Invalid, 9849 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1497 Valid, 8352 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2023-04-02 03:48:19,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1062 states. [2023-04-02 03:48:19,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1062 to 621. [2023-04-02 03:48:19,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 621 states, 422 states have (on average 1.471563981042654) internal successors, (621), 429 states have internal predecessors, (621), 121 states have call successors, (121), 80 states have call predecessors, (121), 77 states have return successors, (117), 115 states have call predecessors, (117), 116 states have call successors, (117) [2023-04-02 03:48:19,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 621 states and 859 transitions. [2023-04-02 03:48:19,954 INFO L78 Accepts]: Start accepts. Automaton has 621 states and 859 transitions. Word has length 210 [2023-04-02 03:48:19,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:19,954 INFO L495 AbstractCegarLoop]: Abstraction has 621 states and 859 transitions. [2023-04-02 03:48:19,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.125) internal successors, (114), 9 states have internal predecessors, (114), 6 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 6 states have call successors, (33) [2023-04-02 03:48:19,955 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 859 transitions. [2023-04-02 03:48:19,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-02 03:48:19,956 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:19,957 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:19,957 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-04-02 03:48:19,957 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:19,957 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:19,957 INFO L85 PathProgramCache]: Analyzing trace with hash 1183878952, now seen corresponding path program 2 times [2023-04-02 03:48:19,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:19,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090654423] [2023-04-02 03:48:19,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:19,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:20,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:48:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:48:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:48:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:48:20,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:48:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:48:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:48:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:48:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:20,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:48:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:48:20,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:48:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:48:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:48:20,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:20,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090654423] [2023-04-02 03:48:20,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090654423] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:20,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:20,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:48:20,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951060601] [2023-04-02 03:48:20,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:20,803 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:48:20,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:20,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:48:20,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:48:20,804 INFO L87 Difference]: Start difference. First operand 621 states and 859 transitions. Second operand has 20 states, 17 states have (on average 7.0) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:48:33,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:33,090 INFO L93 Difference]: Finished difference Result 1609 states and 2400 transitions. [2023-04-02 03:48:33,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-04-02 03:48:33,090 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.0) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 211 [2023-04-02 03:48:33,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:33,094 INFO L225 Difference]: With dead ends: 1609 [2023-04-02 03:48:33,094 INFO L226 Difference]: Without dead ends: 1068 [2023-04-02 03:48:33,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 711 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=645, Invalid=2547, Unknown=0, NotChecked=0, Total=3192 [2023-04-02 03:48:33,096 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3533 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9297 mSolverCounterSat, 1692 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3536 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10989 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1692 IncrementalHoareTripleChecker+Valid, 9297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:33,096 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3536 Valid, 90 Invalid, 10989 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1692 Valid, 9297 Invalid, 0 Unknown, 0 Unchecked, 8.2s Time] [2023-04-02 03:48:33,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2023-04-02 03:48:33,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 628. [2023-04-02 03:48:33,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 628 states, 425 states have (on average 1.468235294117647) internal successors, (624), 434 states have internal predecessors, (624), 122 states have call successors, (122), 80 states have call predecessors, (122), 80 states have return successors, (123), 117 states have call predecessors, (123), 117 states have call successors, (123) [2023-04-02 03:48:33,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 869 transitions. [2023-04-02 03:48:33,420 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 869 transitions. Word has length 211 [2023-04-02 03:48:33,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:33,422 INFO L495 AbstractCegarLoop]: Abstraction has 628 states and 869 transitions. [2023-04-02 03:48:33,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.0) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:48:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 869 transitions. [2023-04-02 03:48:33,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-04-02 03:48:33,425 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:33,425 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:33,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-04-02 03:48:33,425 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:33,425 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:33,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1610433450, now seen corresponding path program 2 times [2023-04-02 03:48:33,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:33,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441029260] [2023-04-02 03:48:33,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:33,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:33,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:33,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:33,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:33,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:33,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:34,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:34,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:34,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-04-02 03:48:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-04-02 03:48:34,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-04-02 03:48:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:48:34,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-04-02 03:48:34,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:48:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-04-02 03:48:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:48:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:34,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:48:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:48:34,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2023-04-02 03:48:34,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:48:34,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:34,257 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-04-02 03:48:34,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:34,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441029260] [2023-04-02 03:48:34,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441029260] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:48:34,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:48:34,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2023-04-02 03:48:34,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419078154] [2023-04-02 03:48:34,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:48:34,258 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-04-02 03:48:34,258 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:34,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-04-02 03:48:34,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2023-04-02 03:48:34,259 INFO L87 Difference]: Start difference. First operand 628 states and 869 transitions. Second operand has 20 states, 17 states have (on average 7.0) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:48:48,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:48:48,826 INFO L93 Difference]: Finished difference Result 1611 states and 2402 transitions. [2023-04-02 03:48:48,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-04-02 03:48:48,827 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 17 states have (on average 7.0) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) Word has length 211 [2023-04-02 03:48:48,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:48:48,831 INFO L225 Difference]: With dead ends: 1611 [2023-04-02 03:48:48,831 INFO L226 Difference]: Without dead ends: 1068 [2023-04-02 03:48:48,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 930 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=802, Invalid=2980, Unknown=0, NotChecked=0, Total=3782 [2023-04-02 03:48:48,833 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2957 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9471 mSolverCounterSat, 1370 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2960 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10841 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1370 IncrementalHoareTripleChecker+Valid, 9471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2023-04-02 03:48:48,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2960 Valid, 90 Invalid, 10841 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1370 Valid, 9471 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2023-04-02 03:48:48,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1068 states. [2023-04-02 03:48:49,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1068 to 623. [2023-04-02 03:48:49,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 423 states have (on average 1.470449172576832) internal successors, (622), 431 states have internal predecessors, (622), 121 states have call successors, (121), 80 states have call predecessors, (121), 78 states have return successors, (119), 115 states have call predecessors, (119), 116 states have call successors, (119) [2023-04-02 03:48:49,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 862 transitions. [2023-04-02 03:48:49,201 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 862 transitions. Word has length 211 [2023-04-02 03:48:49,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:48:49,201 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 862 transitions. [2023-04-02 03:48:49,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 17 states have (on average 7.0) internal successors, (119), 9 states have internal predecessors, (119), 5 states have call successors, (45), 12 states have call predecessors, (45), 5 states have return successors, (33), 4 states have call predecessors, (33), 5 states have call successors, (33) [2023-04-02 03:48:49,201 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 862 transitions. [2023-04-02 03:48:49,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2023-04-02 03:48:49,203 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:48:49,203 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:48:49,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-04-02 03:48:49,203 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:48:49,204 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:48:49,204 INFO L85 PathProgramCache]: Analyzing trace with hash 58261508, now seen corresponding path program 1 times [2023-04-02 03:48:49,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:48:49,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400555996] [2023-04-02 03:48:49,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:49,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:48:49,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:48:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:49,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:48:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:48:49,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:48:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:48:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:48:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:48:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:48:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-04-02 03:48:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:48:49,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-04-02 03:48:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-04-02 03:48:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:48:49,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:48:49,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:48:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:48:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:48:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:48:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:48:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:48:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:48:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:48:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:49,896 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:48:49,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:48:49,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400555996] [2023-04-02 03:48:49,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400555996] provided 0 perfect and 1 imperfect interpolant sequences [2023-04-02 03:48:49,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [416427706] [2023-04-02 03:48:49,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:48:49,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-04-02 03:48:49,897 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-04-02 03:48:49,899 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-04-02 03:48:49,900 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-04-02 03:48:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:48:50,330 INFO L262 TraceCheckSpWp]: Trace formula consists of 2576 conjuncts, 3 conjunts are in the unsatisfiable core [2023-04-02 03:48:50,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-04-02 03:48:50,361 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:48:50,361 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-04-02 03:48:50,518 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:48:50,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [416427706] provided 0 perfect and 2 imperfect interpolant sequences [2023-04-02 03:48:50,519 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-04-02 03:48:50,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 4, 4] total 17 [2023-04-02 03:48:50,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63507461] [2023-04-02 03:48:50,519 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-04-02 03:48:50,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-04-02 03:48:50,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:48:50,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-04-02 03:48:50,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2023-04-02 03:48:50,520 INFO L87 Difference]: Start difference. First operand 623 states and 862 transitions. Second operand has 17 states, 17 states have (on average 10.882352941176471) internal successors, (185), 7 states have internal predecessors, (185), 2 states have call successors, (81), 12 states have call predecessors, (81), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-02 03:49:02,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:02,815 INFO L93 Difference]: Finished difference Result 1878 states and 2999 transitions. [2023-04-02 03:49:02,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-04-02 03:49:02,817 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 10.882352941176471) internal successors, (185), 7 states have internal predecessors, (185), 2 states have call successors, (81), 12 states have call predecessors, (81), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) Word has length 212 [2023-04-02 03:49:02,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:02,822 INFO L225 Difference]: With dead ends: 1878 [2023-04-02 03:49:02,822 INFO L226 Difference]: Without dead ends: 1590 [2023-04-02 03:49:02,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 484 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=535, Invalid=1271, Unknown=0, NotChecked=0, Total=1806 [2023-04-02 03:49:02,824 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 6144 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 5356 mSolverCounterSat, 2381 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6180 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 7737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2381 IncrementalHoareTripleChecker+Valid, 5356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:02,824 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6180 Valid, 50 Invalid, 7737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2381 Valid, 5356 Invalid, 0 Unknown, 0 Unchecked, 8.7s Time] [2023-04-02 03:49:02,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1590 states. [2023-04-02 03:49:03,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1590 to 834. [2023-04-02 03:49:03,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 834 states, 591 states have (on average 1.5143824027072759) internal successors, (895), 599 states have internal predecessors, (895), 164 states have call successors, (164), 80 states have call predecessors, (164), 78 states have return successors, (162), 158 states have call predecessors, (162), 159 states have call successors, (162) [2023-04-02 03:49:03,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 834 states and 1221 transitions. [2023-04-02 03:49:03,403 INFO L78 Accepts]: Start accepts. Automaton has 834 states and 1221 transitions. Word has length 212 [2023-04-02 03:49:03,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:03,403 INFO L495 AbstractCegarLoop]: Abstraction has 834 states and 1221 transitions. [2023-04-02 03:49:03,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 10.882352941176471) internal successors, (185), 7 states have internal predecessors, (185), 2 states have call successors, (81), 12 states have call predecessors, (81), 2 states have return successors, (49), 2 states have call predecessors, (49), 2 states have call successors, (49) [2023-04-02 03:49:03,403 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1221 transitions. [2023-04-02 03:49:03,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2023-04-02 03:49:03,405 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:03,406 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:03,417 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-04-02 03:49:03,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-04-02 03:49:03,614 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:03,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:03,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1541791295, now seen corresponding path program 1 times [2023-04-02 03:49:03,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:03,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422524864] [2023-04-02 03:49:03,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:03,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:04,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:04,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:04,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-04-02 03:49:04,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-04-02 03:49:04,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-04-02 03:49:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-04-02 03:49:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-04-02 03:49:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-04-02 03:49:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2023-04-02 03:49:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-04-02 03:49:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-04-02 03:49:04,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2023-04-02 03:49:04,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2023-04-02 03:49:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2023-04-02 03:49:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:04,262 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:04,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:04,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422524864] [2023-04-02 03:49:04,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422524864] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:04,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:04,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:49:04,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244684923] [2023-04-02 03:49:04,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:04,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:49:04,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:04,263 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:49:04,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:49:04,264 INFO L87 Difference]: Start difference. First operand 834 states and 1221 transitions. Second operand has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:49:14,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:14,197 INFO L93 Difference]: Finished difference Result 2831 states and 4667 transitions. [2023-04-02 03:49:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:49:14,197 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 218 [2023-04-02 03:49:14,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:14,209 INFO L225 Difference]: With dead ends: 2831 [2023-04-02 03:49:14,209 INFO L226 Difference]: Without dead ends: 2099 [2023-04-02 03:49:14,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:49:14,212 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3412 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2951 mSolverCounterSat, 1485 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3448 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4436 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1485 IncrementalHoareTripleChecker+Valid, 2951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:14,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3448 Valid, 32 Invalid, 4436 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1485 Valid, 2951 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2023-04-02 03:49:14,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2023-04-02 03:49:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 1042. [2023-04-02 03:49:15,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1042 states, 756 states have (on average 1.5277777777777777) internal successors, (1155), 764 states have internal predecessors, (1155), 207 states have call successors, (207), 80 states have call predecessors, (207), 78 states have return successors, (205), 201 states have call predecessors, (205), 202 states have call successors, (205) [2023-04-02 03:49:15,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1567 transitions. [2023-04-02 03:49:15,149 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1567 transitions. Word has length 218 [2023-04-02 03:49:15,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:15,150 INFO L495 AbstractCegarLoop]: Abstraction has 1042 states and 1567 transitions. [2023-04-02 03:49:15,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.307692307692308) internal successors, (121), 3 states have internal predecessors, (121), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:49:15,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1567 transitions. [2023-04-02 03:49:15,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2023-04-02 03:49:15,153 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:15,153 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:15,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-04-02 03:49:15,154 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:15,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:15,154 INFO L85 PathProgramCache]: Analyzing trace with hash 1080621289, now seen corresponding path program 1 times [2023-04-02 03:49:15,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:15,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740009113] [2023-04-02 03:49:15,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:15,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:15,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:15,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:15,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:15,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-04-02 03:49:15,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-04-02 03:49:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-04-02 03:49:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-04-02 03:49:15,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-04-02 03:49:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-04-02 03:49:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2023-04-02 03:49:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-04-02 03:49:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-04-02 03:49:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2023-04-02 03:49:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2023-04-02 03:49:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2023-04-02 03:49:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:15,867 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:15,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:15,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740009113] [2023-04-02 03:49:15,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740009113] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:15,867 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:15,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:49:15,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178045447] [2023-04-02 03:49:15,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:15,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:49:15,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:15,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:49:15,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:49:15,869 INFO L87 Difference]: Start difference. First operand 1042 states and 1567 transitions. Second operand has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:49:26,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:26,653 INFO L93 Difference]: Finished difference Result 3891 states and 6596 transitions. [2023-04-02 03:49:26,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:49:26,657 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 219 [2023-04-02 03:49:26,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:26,668 INFO L225 Difference]: With dead ends: 3891 [2023-04-02 03:49:26,668 INFO L226 Difference]: Without dead ends: 2980 [2023-04-02 03:49:26,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:49:26,672 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3650 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2968 mSolverCounterSat, 1587 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3686 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1587 IncrementalHoareTripleChecker+Valid, 2968 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:26,672 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3686 Valid, 32 Invalid, 4555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1587 Valid, 2968 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-04-02 03:49:26,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2980 states. [2023-04-02 03:49:28,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2980 to 1358. [2023-04-02 03:49:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1358 states, 1011 states have (on average 1.5370919881305638) internal successors, (1554), 1019 states have internal predecessors, (1554), 268 states have call successors, (268), 80 states have call predecessors, (268), 78 states have return successors, (266), 262 states have call predecessors, (266), 263 states have call successors, (266) [2023-04-02 03:49:28,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 2088 transitions. [2023-04-02 03:49:28,062 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 2088 transitions. Word has length 219 [2023-04-02 03:49:28,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:28,062 INFO L495 AbstractCegarLoop]: Abstraction has 1358 states and 2088 transitions. [2023-04-02 03:49:28,062 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.384615384615385) internal successors, (122), 3 states have internal predecessors, (122), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:49:28,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 2088 transitions. [2023-04-02 03:49:28,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-04-02 03:49:28,066 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:28,066 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:28,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2023-04-02 03:49:28,067 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:28,067 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:28,067 INFO L85 PathProgramCache]: Analyzing trace with hash 736584863, now seen corresponding path program 1 times [2023-04-02 03:49:28,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:28,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293308104] [2023-04-02 03:49:28,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:28,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:28,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:28,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:28,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:28,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:28,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-04-02 03:49:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:28,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-04-02 03:49:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-04-02 03:49:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-04-02 03:49:28,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-04-02 03:49:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-04-02 03:49:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-04-02 03:49:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-04-02 03:49:28,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-04-02 03:49:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2023-04-02 03:49:28,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2023-04-02 03:49:28,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2023-04-02 03:49:28,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:28,661 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:28,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:28,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293308104] [2023-04-02 03:49:28,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293308104] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:28,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:28,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:49:28,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36782282] [2023-04-02 03:49:28,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:28,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:49:28,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:28,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:49:28,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:49:28,663 INFO L87 Difference]: Start difference. First operand 1358 states and 2088 transitions. Second operand has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:49:42,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:49:42,316 INFO L93 Difference]: Finished difference Result 5539 states and 9581 transitions. [2023-04-02 03:49:42,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:49:42,316 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 220 [2023-04-02 03:49:42,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:49:42,332 INFO L225 Difference]: With dead ends: 5539 [2023-04-02 03:49:42,332 INFO L226 Difference]: Without dead ends: 4368 [2023-04-02 03:49:42,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 202 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:49:42,338 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1939 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 3193 mSolverCounterSat, 831 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1975 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 4024 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 831 IncrementalHoareTripleChecker+Valid, 3193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-04-02 03:49:42,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1975 Valid, 36 Invalid, 4024 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [831 Valid, 3193 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-04-02 03:49:42,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4368 states. [2023-04-02 03:49:44,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4368 to 1857. [2023-04-02 03:49:44,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1857 states, 1416 states have (on average 1.5402542372881356) internal successors, (2181), 1424 states have internal predecessors, (2181), 362 states have call successors, (362), 80 states have call predecessors, (362), 78 states have return successors, (360), 356 states have call predecessors, (360), 357 states have call successors, (360) [2023-04-02 03:49:44,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1857 states to 1857 states and 2903 transitions. [2023-04-02 03:49:44,727 INFO L78 Accepts]: Start accepts. Automaton has 1857 states and 2903 transitions. Word has length 220 [2023-04-02 03:49:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:49:44,727 INFO L495 AbstractCegarLoop]: Abstraction has 1857 states and 2903 transitions. [2023-04-02 03:49:44,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.461538461538462) internal successors, (123), 3 states have internal predecessors, (123), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:49:44,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 2903 transitions. [2023-04-02 03:49:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-04-02 03:49:44,733 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:49:44,733 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:49:44,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2023-04-02 03:49:44,733 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:49:44,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:49:44,733 INFO L85 PathProgramCache]: Analyzing trace with hash -938095287, now seen corresponding path program 1 times [2023-04-02 03:49:44,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:49:44,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2137550902] [2023-04-02 03:49:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:49:44,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:49:44,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:49:45,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:49:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:45,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:49:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:49:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:49:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:49:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:49:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:49:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-04-02 03:49:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:49:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-04-02 03:49:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-04-02 03:49:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-04-02 03:49:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-04-02 03:49:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-04-02 03:49:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-04-02 03:49:45,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-04-02 03:49:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:49:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2023-04-02 03:49:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-04-02 03:49:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2023-04-02 03:49:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2023-04-02 03:49:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:49:45,393 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:49:45,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:49:45,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2137550902] [2023-04-02 03:49:45,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2137550902] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:49:45,393 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:49:45,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:49:45,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265707088] [2023-04-02 03:49:45,393 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:49:45,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:49:45,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:49:45,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:49:45,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:49:45,395 INFO L87 Difference]: Start difference. First operand 1857 states and 2903 transitions. Second operand has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:50:02,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:50:02,533 INFO L93 Difference]: Finished difference Result 8228 states and 14422 transitions. [2023-04-02 03:50:02,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:50:02,534 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 221 [2023-04-02 03:50:02,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:50:02,557 INFO L225 Difference]: With dead ends: 8228 [2023-04-02 03:50:02,558 INFO L226 Difference]: Without dead ends: 6657 [2023-04-02 03:50:02,569 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:50:02,570 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2768 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 3311 mSolverCounterSat, 1085 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2804 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 4396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1085 IncrementalHoareTripleChecker+Valid, 3311 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2023-04-02 03:50:02,570 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2804 Valid, 34 Invalid, 4396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1085 Valid, 3311 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2023-04-02 03:50:02,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6657 states. [2023-04-02 03:50:06,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6657 to 2669. [2023-04-02 03:50:06,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2669 states, 2079 states have (on average 1.5396825396825398) internal successors, (3201), 2087 states have internal predecessors, (3201), 511 states have call successors, (511), 80 states have call predecessors, (511), 78 states have return successors, (509), 505 states have call predecessors, (509), 506 states have call successors, (509) [2023-04-02 03:50:06,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2669 states to 2669 states and 4221 transitions. [2023-04-02 03:50:06,229 INFO L78 Accepts]: Start accepts. Automaton has 2669 states and 4221 transitions. Word has length 221 [2023-04-02 03:50:06,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:50:06,229 INFO L495 AbstractCegarLoop]: Abstraction has 2669 states and 4221 transitions. [2023-04-02 03:50:06,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.538461538461538) internal successors, (124), 3 states have internal predecessors, (124), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:50:06,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2669 states and 4221 transitions. [2023-04-02 03:50:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2023-04-02 03:50:06,241 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:50:06,241 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:06,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2023-04-02 03:50:06,242 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:50:06,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:50:06,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1470294079, now seen corresponding path program 1 times [2023-04-02 03:50:06,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:50:06,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107595979] [2023-04-02 03:50:06,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:50:06,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:50:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:50:06,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:50:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:06,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,751 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:50:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:50:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:50:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:50:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:50:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:06,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-04-02 03:50:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:06,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-04-02 03:50:06,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-04-02 03:50:06,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-04-02 03:50:06,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-04-02 03:50:06,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-04-02 03:50:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-04-02 03:50:06,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-04-02 03:50:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2023-04-02 03:50:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2023-04-02 03:50:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2023-04-02 03:50:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2023-04-02 03:50:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:06,890 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:50:06,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:50:06,891 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107595979] [2023-04-02 03:50:06,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [107595979] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:50:06,891 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:50:06,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:50:06,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060256896] [2023-04-02 03:50:06,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:50:06,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:50:06,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:50:06,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:50:06,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:50:06,892 INFO L87 Difference]: Start difference. First operand 2669 states and 4221 transitions. Second operand has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:50:30,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-04-02 03:50:30,965 INFO L93 Difference]: Finished difference Result 12960 states and 22916 transitions. [2023-04-02 03:50:30,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-04-02 03:50:30,966 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 222 [2023-04-02 03:50:30,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-04-02 03:50:30,998 INFO L225 Difference]: With dead ends: 12960 [2023-04-02 03:50:30,999 INFO L226 Difference]: Without dead ends: 10701 [2023-04-02 03:50:31,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=306, Invalid=686, Unknown=0, NotChecked=0, Total=992 [2023-04-02 03:50:31,016 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 4575 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 2856 mSolverCounterSat, 2073 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4611 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 4929 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2073 IncrementalHoareTripleChecker+Valid, 2856 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-04-02 03:50:31,016 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4611 Valid, 32 Invalid, 4929 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2073 Valid, 2856 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-04-02 03:50:31,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10701 states. [2023-04-02 03:50:37,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10701 to 4118. [2023-04-02 03:50:37,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4118 states, 3245 states have (on average 1.5309707241910633) internal successors, (4968), 3253 states have internal predecessors, (4968), 794 states have call successors, (794), 80 states have call predecessors, (794), 78 states have return successors, (792), 788 states have call predecessors, (792), 789 states have call successors, (792) [2023-04-02 03:50:37,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4118 states to 4118 states and 6554 transitions. [2023-04-02 03:50:37,362 INFO L78 Accepts]: Start accepts. Automaton has 4118 states and 6554 transitions. Word has length 222 [2023-04-02 03:50:37,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-04-02 03:50:37,362 INFO L495 AbstractCegarLoop]: Abstraction has 4118 states and 6554 transitions. [2023-04-02 03:50:37,363 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.615384615384615) internal successors, (125), 3 states have internal predecessors, (125), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-04-02 03:50:37,363 INFO L276 IsEmpty]: Start isEmpty. Operand 4118 states and 6554 transitions. [2023-04-02 03:50:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2023-04-02 03:50:37,376 INFO L187 NwaCegarLoop]: Found error trace [2023-04-02 03:50:37,376 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:50:37,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2023-04-02 03:50:37,376 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-04-02 03:50:37,376 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-04-02 03:50:37,376 INFO L85 PathProgramCache]: Analyzing trace with hash -1089244759, now seen corresponding path program 1 times [2023-04-02 03:50:37,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-04-02 03:50:37,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158934460] [2023-04-02 03:50:37,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-04-02 03:50:37,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-04-02 03:50:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-04-02 03:50:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-04-02 03:50:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-04-02 03:50:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-04-02 03:50:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-04-02 03:50:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-04-02 03:50:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-04-02 03:50:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-04-02 03:50:37,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:37,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-04-02 03:50:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-04-02 03:50:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-04-02 03:50:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:38,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-04-02 03:50:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-04-02 03:50:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-04-02 03:50:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-04-02 03:50:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-04-02 03:50:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-04-02 03:50:38,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-04-02 03:50:38,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2023-04-02 03:50:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2023-04-02 03:50:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2023-04-02 03:50:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2023-04-02 03:50:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-04-02 03:50:38,057 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2023-04-02 03:50:38,057 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-04-02 03:50:38,057 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158934460] [2023-04-02 03:50:38,057 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158934460] provided 1 perfect and 0 imperfect interpolant sequences [2023-04-02 03:50:38,057 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-04-02 03:50:38,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-04-02 03:50:38,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688534625] [2023-04-02 03:50:38,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-04-02 03:50:38,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-04-02 03:50:38,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-04-02 03:50:38,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-04-02 03:50:38,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2023-04-02 03:50:38,058 INFO L87 Difference]: Start difference. First operand 4118 states and 6554 transitions. Second operand has 13 states, 13 states have (on average 9.692307692307692) internal successors, (126), 3 states have internal predecessors, (126), 2 states have call successors, (45), 12 states have call predecessors, (45), 1 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33)