/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_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:57:54,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:57:54,774 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:57:54,809 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:57:54,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:57:54,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:57:54,815 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:57:54,817 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:57:54,818 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:57:54,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:57:54,819 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:57:54,820 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:57:54,821 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:57:54,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:57:54,822 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:57:54,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:57:54,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:57:54,824 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:57:54,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:57:54,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:57:54,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:57:54,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:57:54,834 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:57:54,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:57:54,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:57:54,844 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:57:54,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:57:54,845 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:57:54,846 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:57:54,846 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:57:54,847 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:57:54,847 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:57:54,848 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:57:54,849 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:57:54,850 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:57:54,850 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:57:54,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:57:54,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:57:54,851 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:57:54,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:57:54,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:57:54,853 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 [2023-03-31 00:57:54,883 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:57:54,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:57:54,884 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:57:54,884 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:57:54,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:57:54,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:57:54,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:57:54,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:57:54,886 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:57:54,886 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:57:54,887 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:57:54,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:57:54,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:57:54,887 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:57:54,887 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:57:54,887 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:57:54,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:57:54,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:57:54,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:57:54,889 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:57:54,890 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:57:54,890 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:57:54,890 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:57:55,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:57:55,139 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:57:55,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:57:55,142 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:57:55,143 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:57:55,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2023-03-31 00:57:56,257 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:57:56,529 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:57:56,530 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product37.cil.c [2023-03-31 00:57:56,559 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc7b71f4/c1b91af4446743d8b82ad7b0e9454358/FLAG19e26ac79 [2023-03-31 00:57:56,571 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cc7b71f4/c1b91af4446743d8b82ad7b0e9454358 [2023-03-31 00:57:56,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:57:56,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:57:56,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:57:56,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:57:56,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:57:56,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49f789e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56, skipping insertion in model container [2023-03-31 00:57:56,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,586 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:57:56,653 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:57:57,004 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_spec11_product37.cil.c[43755,43768] [2023-03-31 00:57:57,082 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:57:57,099 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:57:57,181 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_spec11_product37.cil.c[43755,43768] [2023-03-31 00:57:57,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:57:57,254 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:57:57,260 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:57:57,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57 WrapperNode [2023-03-31 00:57:57,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:57:57,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:57:57,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:57:57,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:57:57,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,342 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,363 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,371 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,390 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:57:57,391 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:57:57,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:57:57,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:57:57,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (1/1) ... [2023-03-31 00:57:57,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:57:57,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:57,441 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) [2023-03-31 00:57:57,453 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 [2023-03-31 00:57:57,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:57:57,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:57:57,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:57:57,484 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:57:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:57:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:57:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:57:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:57:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:57:57,485 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:57:57,486 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:57:57,487 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:57:57,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:57:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:57:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:57:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:57:57,489 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:57:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:57:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:57:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:57:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:57:57,490 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:57:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:57:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:57:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:57:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:57:57,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:57:57,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:57:57,493 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:57:57,494 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2023-03-31 00:57:57,495 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:57:57,496 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:57:57,497 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:57:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:57:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:57:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:57:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:57:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:57:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:57:57,501 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:57:57,504 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:57:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:57:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:57:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:57:57,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:57:57,510 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:57:57,511 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:57:57,512 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:57:57,513 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:57:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:57:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:57:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:57:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:57:57,514 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:57:57,515 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:57:57,516 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:57:57,517 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:57:57,518 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2023-03-31 00:57:57,519 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2023-03-31 00:57:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:57:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:57:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:57:57,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:57:57,834 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:57:57,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:57:59,059 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:57:59,078 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:57:59,078 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:57:59,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:57:59 BoogieIcfgContainer [2023-03-31 00:57:59,082 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:57:59,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:57:59,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:57:59,087 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:57:59,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:57:56" (1/3) ... [2023-03-31 00:57:59,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abf3d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:57:59, skipping insertion in model container [2023-03-31 00:57:59,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:57" (2/3) ... [2023-03-31 00:57:59,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@abf3d4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:57:59, skipping insertion in model container [2023-03-31 00:57:59,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:57:59" (3/3) ... [2023-03-31 00:57:59,089 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2023-03-31 00:57:59,106 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:57:59,106 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:57:59,178 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:57:59,184 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;@36df75ad, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:57:59,184 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:57:59,194 INFO L276 IsEmpty]: Start isEmpty. Operand has 418 states, 262 states have (on average 1.400763358778626) internal successors, (367), 268 states have internal predecessors, (367), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-03-31 00:57:59,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 00:57:59,227 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:59,228 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:59,229 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:59,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:59,235 INFO L85 PathProgramCache]: Analyzing trace with hash -1847250673, now seen corresponding path program 1 times [2023-03-31 00:57:59,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:59,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869879028] [2023-03-31 00:57:59,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:59,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:59,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:00,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:00,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:00,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:00,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:00,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:58:00,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 00:58:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:58:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:00,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:58:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:00,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,684 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:00,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:00,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869879028] [2023-03-31 00:58:00,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869879028] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:00,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:00,685 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:58:00,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448749310] [2023-03-31 00:58:00,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:00,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:58:00,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:00,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:58:00,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:58:00,735 INFO L87 Difference]: Start difference. First operand has 418 states, 262 states have (on average 1.400763358778626) internal successors, (367), 268 states have internal predecessors, (367), 90 states have call successors, (90), 61 states have call predecessors, (90), 61 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) Second operand has 10 states, 10 states have (on average 7.4) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:08,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:08,496 INFO L93 Difference]: Finished difference Result 930 states and 1377 transitions. [2023-03-31 00:58:08,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 00:58:08,499 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 154 [2023-03-31 00:58:08,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:08,516 INFO L225 Difference]: With dead ends: 930 [2023-03-31 00:58:08,516 INFO L226 Difference]: Without dead ends: 686 [2023-03-31 00:58:08,521 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:58:08,524 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1498 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 1676 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1530 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 2477 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 1676 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.8s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:08,524 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1530 Valid, 133 Invalid, 2477 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [801 Valid, 1676 Invalid, 0 Unknown, 0 Unchecked, 6.8s Time] [2023-03-31 00:58:08,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2023-03-31 00:58:08,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 395. [2023-03-31 00:58:08,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 395 states, 251 states have (on average 1.3984063745019921) internal successors, (351), 254 states have internal predecessors, (351), 86 states have call successors, (86), 61 states have call predecessors, (86), 57 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-03-31 00:58:08,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2023-03-31 00:58:08,885 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 154 [2023-03-31 00:58:08,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:08,886 INFO L495 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2023-03-31 00:58:08,886 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.4) internal successors, (74), 2 states have internal predecessors, (74), 2 states have call successors, (38), 10 states have call predecessors, (38), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:08,886 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2023-03-31 00:58:08,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 00:58:08,895 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:08,895 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:08,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:58:08,896 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:08,896 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:08,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1541028385, now seen corresponding path program 1 times [2023-03-31 00:58:08,896 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:08,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1931916245] [2023-03-31 00:58:08,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:08,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:08,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:09,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:09,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:09,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:09,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:09,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:09,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:09,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:58:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:10,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:10,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:10,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:58:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:10,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:58:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:10,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:58:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,068 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:10,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:10,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1931916245] [2023-03-31 00:58:10,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1931916245] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:10,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [139163623] [2023-03-31 00:58:10,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:10,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:10,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:10,072 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) [2023-03-31 00:58:10,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:58:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:10,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 1975 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:58:10,515 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:10,572 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:10,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:10,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [139163623] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:10,573 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:10,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:10,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191581510] [2023-03-31 00:58:10,574 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:10,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:10,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:10,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:10,576 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:10,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:10,884 INFO L93 Difference]: Finished difference Result 550 states and 702 transitions. [2023-03-31 00:58:10,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:10,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 155 [2023-03-31 00:58:10,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:10,889 INFO L225 Difference]: With dead ends: 550 [2023-03-31 00:58:10,890 INFO L226 Difference]: Without dead ends: 398 [2023-03-31 00:58:10,894 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:10,895 INFO L413 NwaCegarLoop]: 516 mSDtfsCounter, 1 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1030 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 [2023-03-31 00:58:10,896 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1030 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:10,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2023-03-31 00:58:11,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2023-03-31 00:58:11,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 397 states, 253 states have (on average 1.3952569169960474) internal successors, (353), 256 states have internal predecessors, (353), 86 states have call successors, (86), 61 states have call predecessors, (86), 57 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-03-31 00:58:11,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2023-03-31 00:58:11,178 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 155 [2023-03-31 00:58:11,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:11,180 INFO L495 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2023-03-31 00:58:11,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:11,181 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2023-03-31 00:58:11,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-03-31 00:58:11,183 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:11,184 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:11,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:11,396 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 [2023-03-31 00:58:11,396 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:11,396 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:11,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1009442030, now seen corresponding path program 1 times [2023-03-31 00:58:11,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:11,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13213472] [2023-03-31 00:58:11,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:11,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:11,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:12,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:58:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:58:12,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:58:12,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:58:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 00:58:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 00:58:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 00:58:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,454 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:12,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:12,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [13213472] [2023-03-31 00:58:12,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [13213472] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:12,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755054032] [2023-03-31 00:58:12,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:12,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:12,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:12,456 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) [2023-03-31 00:58:12,470 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:58:12,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 1988 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:12,862 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:12,903 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:12,903 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:12,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755054032] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:12,904 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:12,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:12,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643712673] [2023-03-31 00:58:12,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:12,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:12,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:12,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:12,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:12,906 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:13,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:13,200 INFO L93 Difference]: Finished difference Result 772 states and 1041 transitions. [2023-03-31 00:58:13,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:13,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 167 [2023-03-31 00:58:13,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:13,204 INFO L225 Difference]: With dead ends: 772 [2023-03-31 00:58:13,204 INFO L226 Difference]: Without dead ends: 440 [2023-03-31 00:58:13,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:13,206 INFO L413 NwaCegarLoop]: 519 mSDtfsCounter, 53 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1030 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 [2023-03-31 00:58:13,206 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1030 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:13,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2023-03-31 00:58:13,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2023-03-31 00:58:13,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 439 states, 286 states have (on average 1.4230769230769231) internal successors, (407), 289 states have internal predecessors, (407), 95 states have call successors, (95), 61 states have call predecessors, (95), 57 states have return successors, (90), 90 states have call predecessors, (90), 90 states have call successors, (90) [2023-03-31 00:58:13,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 592 transitions. [2023-03-31 00:58:13,417 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 592 transitions. Word has length 167 [2023-03-31 00:58:13,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:13,417 INFO L495 AbstractCegarLoop]: Abstraction has 439 states and 592 transitions. [2023-03-31 00:58:13,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.0) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:13,418 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 592 transitions. [2023-03-31 00:58:13,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-03-31 00:58:13,420 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:13,422 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:13,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:13,631 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 [2023-03-31 00:58:13,631 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:13,632 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:13,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2085302658, now seen corresponding path program 1 times [2023-03-31 00:58:13,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:13,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170684755] [2023-03-31 00:58:13,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:13,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:13,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:14,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:14,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:14,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:14,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:58:14,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:14,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:58:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:58:14,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,843 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 00:58:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 00:58:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 00:58:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:14,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:14,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170684755] [2023-03-31 00:58:14,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170684755] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:14,858 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316800342] [2023-03-31 00:58:14,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:14,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:14,861 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:14,862 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) [2023-03-31 00:58:14,889 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:58:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:15,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 1993 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:15,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:15,317 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:15,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:15,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316800342] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:15,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:15,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:15,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910435588] [2023-03-31 00:58:15,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:15,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:15,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:15,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:15,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:15,319 INFO L87 Difference]: Start difference. First operand 439 states and 592 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:15,696 INFO L93 Difference]: Finished difference Result 895 states and 1252 transitions. [2023-03-31 00:58:15,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:15,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 168 [2023-03-31 00:58:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:15,699 INFO L225 Difference]: With dead ends: 895 [2023-03-31 00:58:15,700 INFO L226 Difference]: Without dead ends: 521 [2023-03-31 00:58:15,701 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:15,701 INFO L413 NwaCegarLoop]: 527 mSDtfsCounter, 51 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1038 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 [2023-03-31 00:58:15,702 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1038 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:15,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2023-03-31 00:58:16,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 520. [2023-03-31 00:58:16,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 350 states have (on average 1.46) internal successors, (511), 353 states have internal predecessors, (511), 112 states have call successors, (112), 61 states have call predecessors, (112), 57 states have return successors, (107), 107 states have call predecessors, (107), 107 states have call successors, (107) [2023-03-31 00:58:16,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 730 transitions. [2023-03-31 00:58:16,046 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 730 transitions. Word has length 168 [2023-03-31 00:58:16,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:16,047 INFO L495 AbstractCegarLoop]: Abstraction has 520 states and 730 transitions. [2023-03-31 00:58:16,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:16,047 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 730 transitions. [2023-03-31 00:58:16,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-03-31 00:58:16,050 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:16,051 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:16,061 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-31 00:58:16,258 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 [2023-03-31 00:58:16,259 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:16,259 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:16,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1743587790, now seen corresponding path program 1 times [2023-03-31 00:58:16,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:16,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058334873] [2023-03-31 00:58:16,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:16,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:16,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:16,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:16,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:16,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:16,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:16,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:17,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:17,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:17,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:17,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 00:58:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:58:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 00:58:17,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:58:17,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 00:58:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:17,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 00:58:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 00:58:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,309 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:17,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:17,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058334873] [2023-03-31 00:58:17,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058334873] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:17,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493462594] [2023-03-31 00:58:17,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:17,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:17,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:17,311 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) [2023-03-31 00:58:17,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:58:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:17,721 INFO L262 TraceCheckSpWp]: Trace formula consists of 1998 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:17,726 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:17,756 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:17,757 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:17,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493462594] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:17,757 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:17,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:17,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895060404] [2023-03-31 00:58:17,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:17,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:17,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:17,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:17,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:17,759 INFO L87 Difference]: Start difference. First operand 520 states and 730 transitions. Second operand has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:18,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:18,228 INFO L93 Difference]: Finished difference Result 1132 states and 1656 transitions. [2023-03-31 00:58:18,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:18,229 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 169 [2023-03-31 00:58:18,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:18,232 INFO L225 Difference]: With dead ends: 1132 [2023-03-31 00:58:18,232 INFO L226 Difference]: Without dead ends: 677 [2023-03-31 00:58:18,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:18,234 INFO L413 NwaCegarLoop]: 521 mSDtfsCounter, 49 mSDsluCounter, 511 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1032 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 [2023-03-31 00:58:18,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1032 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:18,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2023-03-31 00:58:18,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 676. [2023-03-31 00:58:18,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 676 states, 474 states have (on average 1.5) internal successors, (711), 477 states have internal predecessors, (711), 144 states have call successors, (144), 61 states have call predecessors, (144), 57 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2023-03-31 00:58:18,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 994 transitions. [2023-03-31 00:58:18,611 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 994 transitions. Word has length 169 [2023-03-31 00:58:18,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:18,611 INFO L495 AbstractCegarLoop]: Abstraction has 676 states and 994 transitions. [2023-03-31 00:58:18,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.666666666666668) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2023-03-31 00:58:18,612 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 994 transitions. [2023-03-31 00:58:18,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-03-31 00:58:18,615 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:18,616 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:18,625 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-03-31 00:58:18,824 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 [2023-03-31 00:58:18,825 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:18,825 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:18,826 INFO L85 PathProgramCache]: Analyzing trace with hash 560463315, now seen corresponding path program 1 times [2023-03-31 00:58:18,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:18,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [585354115] [2023-03-31 00:58:18,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:18,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:19,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:19,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:19,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:19,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2023-03-31 00:58:19,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:58:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:58:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:19,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:58:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:58:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 00:58:19,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 00:58:19,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:19,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [585354115] [2023-03-31 00:58:19,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [585354115] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:19,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774962267] [2023-03-31 00:58:19,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:19,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:19,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:19,877 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) [2023-03-31 00:58:19,885 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-03-31 00:58:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:20,307 INFO L262 TraceCheckSpWp]: Trace formula consists of 2033 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:58:20,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:20,538 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:20,538 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:20,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774962267] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:20,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:20,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-03-31 00:58:20,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576748844] [2023-03-31 00:58:20,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:20,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:20,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:20,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:20,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:58:20,540 INFO L87 Difference]: Start difference. First operand 676 states and 994 transitions. Second operand has 9 states, 7 states have (on average 14.0) internal successors, (98), 9 states have internal predecessors, (98), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-03-31 00:58:21,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:21,651 INFO L93 Difference]: Finished difference Result 1330 states and 1968 transitions. [2023-03-31 00:58:21,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:58:21,651 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 14.0) internal successors, (98), 9 states have internal predecessors, (98), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) Word has length 171 [2023-03-31 00:58:21,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:21,655 INFO L225 Difference]: With dead ends: 1330 [2023-03-31 00:58:21,655 INFO L226 Difference]: Without dead ends: 690 [2023-03-31 00:58:21,657 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-03-31 00:58:21,657 INFO L413 NwaCegarLoop]: 523 mSDtfsCounter, 479 mSDsluCounter, 2204 mSDsCounter, 0 mSdLazyCounter, 947 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 2727 SdHoareTripleChecker+Invalid, 949 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 947 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:21,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 2727 Invalid, 949 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 947 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:58:21,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 690 states. [2023-03-31 00:58:22,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 690 to 690. [2023-03-31 00:58:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 690 states, 485 states have (on average 1.5010309278350515) internal successors, (728), 489 states have internal predecessors, (728), 144 states have call successors, (144), 63 states have call predecessors, (144), 60 states have return successors, (140), 139 states have call predecessors, (140), 139 states have call successors, (140) [2023-03-31 00:58:22,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1012 transitions. [2023-03-31 00:58:22,104 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1012 transitions. Word has length 171 [2023-03-31 00:58:22,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:22,104 INFO L495 AbstractCegarLoop]: Abstraction has 690 states and 1012 transitions. [2023-03-31 00:58:22,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 14.0) internal successors, (98), 9 states have internal predecessors, (98), 6 states have call successors, (40), 3 states have call predecessors, (40), 6 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29) [2023-03-31 00:58:22,105 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1012 transitions. [2023-03-31 00:58:22,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-03-31 00:58:22,108 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:22,108 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:22,117 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:22,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:22,317 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:22,317 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:22,317 INFO L85 PathProgramCache]: Analyzing trace with hash -424410954, now seen corresponding path program 1 times [2023-03-31 00:58:22,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:22,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956780113] [2023-03-31 00:58:22,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:22,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:22,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:22,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:22,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:22,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:23,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:58:23,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2023-03-31 00:58:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:23,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:58:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:58:23,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:58:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:23,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 00:58:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 00:58:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:23,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:23,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956780113] [2023-03-31 00:58:23,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1956780113] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:23,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284705935] [2023-03-31 00:58:23,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:23,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:23,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:23,341 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:23,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-03-31 00:58:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 2034 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:58:23,711 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:23,834 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:23,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284705935] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:23,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:23,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-03-31 00:58:23,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884999113] [2023-03-31 00:58:23,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:23,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:58:23,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:23,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:58:23,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 00:58:23,836 INFO L87 Difference]: Start difference. First operand 690 states and 1012 transitions. Second operand has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-03-31 00:58:24,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:24,804 INFO L93 Difference]: Finished difference Result 1331 states and 1974 transitions. [2023-03-31 00:58:24,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:58:24,805 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) Word has length 172 [2023-03-31 00:58:24,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:24,808 INFO L225 Difference]: With dead ends: 1331 [2023-03-31 00:58:24,808 INFO L226 Difference]: Without dead ends: 692 [2023-03-31 00:58:24,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-03-31 00:58:24,813 INFO L413 NwaCegarLoop]: 522 mSDtfsCounter, 474 mSDsluCounter, 1408 mSDsCounter, 0 mSdLazyCounter, 631 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 1930 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 631 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:24,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 1930 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 631 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-03-31 00:58:24,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2023-03-31 00:58:25,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 692. [2023-03-31 00:58:25,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 692 states, 486 states have (on average 1.5) internal successors, (729), 491 states have internal predecessors, (729), 144 states have call successors, (144), 63 states have call predecessors, (144), 61 states have return successors, (142), 139 states have call predecessors, (142), 139 states have call successors, (142) [2023-03-31 00:58:25,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 692 states and 1015 transitions. [2023-03-31 00:58:25,214 INFO L78 Accepts]: Start accepts. Automaton has 692 states and 1015 transitions. Word has length 172 [2023-03-31 00:58:25,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:25,214 INFO L495 AbstractCegarLoop]: Abstraction has 692 states and 1015 transitions. [2023-03-31 00:58:25,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 16.5) internal successors, (99), 7 states have internal predecessors, (99), 4 states have call successors, (40), 3 states have call predecessors, (40), 5 states have return successors, (29), 5 states have call predecessors, (29), 4 states have call successors, (29) [2023-03-31 00:58:25,215 INFO L276 IsEmpty]: Start isEmpty. Operand 692 states and 1015 transitions. [2023-03-31 00:58:25,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-03-31 00:58:25,218 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:25,218 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:25,229 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:25,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:25,426 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:25,426 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:25,426 INFO L85 PathProgramCache]: Analyzing trace with hash -967274609, now seen corresponding path program 1 times [2023-03-31 00:58:25,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:25,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011392303] [2023-03-31 00:58:25,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:25,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:25,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:26,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:26,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2023-03-31 00:58:26,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:26,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:58:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:58:26,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 00:58:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 00:58:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,375 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:26,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:26,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011392303] [2023-03-31 00:58:26,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011392303] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:26,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:26,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 00:58:26,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703523440] [2023-03-31 00:58:26,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:26,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 00:58:26,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:26,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 00:58:26,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:26,377 INFO L87 Difference]: Start difference. First operand 692 states and 1015 transitions. Second operand has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 7 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-03-31 00:58:37,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:37,434 INFO L93 Difference]: Finished difference Result 2844 states and 4838 transitions. [2023-03-31 00:58:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-31 00:58:37,435 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 7 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) Word has length 173 [2023-03-31 00:58:37,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:37,447 INFO L225 Difference]: With dead ends: 2844 [2023-03-31 00:58:37,447 INFO L226 Difference]: Without dead ends: 2211 [2023-03-31 00:58:37,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=488, Invalid=1768, Unknown=0, NotChecked=0, Total=2256 [2023-03-31 00:58:37,450 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2752 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 6228 mSolverCounterSat, 1362 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2755 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 7590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1362 IncrementalHoareTripleChecker+Valid, 6228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:37,451 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2755 Valid, 79 Invalid, 7590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1362 Valid, 6228 Invalid, 0 Unknown, 0 Unchecked, 6.7s Time] [2023-03-31 00:58:37,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2211 states. [2023-03-31 00:58:37,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2211 to 702. [2023-03-31 00:58:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 702 states, 495 states have (on average 1.496969696969697) internal successors, (741), 499 states have internal predecessors, (741), 144 states have call successors, (144), 65 states have call predecessors, (144), 62 states have return successors, (141), 139 states have call predecessors, (141), 139 states have call successors, (141) [2023-03-31 00:58:37,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 1026 transitions. [2023-03-31 00:58:37,896 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 1026 transitions. Word has length 173 [2023-03-31 00:58:37,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:37,896 INFO L495 AbstractCegarLoop]: Abstraction has 702 states and 1026 transitions. [2023-03-31 00:58:37,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 6.2) internal successors, (93), 9 states have internal predecessors, (93), 7 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 7 states have call successors, (29) [2023-03-31 00:58:37,897 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 1026 transitions. [2023-03-31 00:58:37,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-03-31 00:58:37,900 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:37,900 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:37,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:58:37,900 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:37,901 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:37,901 INFO L85 PathProgramCache]: Analyzing trace with hash 661318206, now seen corresponding path program 2 times [2023-03-31 00:58:37,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:37,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753234587] [2023-03-31 00:58:37,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:37,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:37,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:38,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:38,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:38,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2023-03-31 00:58:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 00:58:38,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:58:38,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:58:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:58:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 00:58:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 00:58:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:38,834 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:38,834 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:38,834 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753234587] [2023-03-31 00:58:38,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753234587] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:38,834 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:38,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 00:58:38,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187365290] [2023-03-31 00:58:38,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:38,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 00:58:38,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:38,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 00:58:38,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:58:38,836 INFO L87 Difference]: Start difference. First operand 702 states and 1026 transitions. Second operand has 19 states, 16 states have (on average 6.0625) internal successors, (97), 9 states have internal predecessors, (97), 6 states have call successors, (40), 11 states have call predecessors, (40), 5 states have return successors, (29), 4 states have call predecessors, (29), 6 states have call successors, (29)