/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:03:30,746 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:03:30,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:03:30,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:03:30,780 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:03:30,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:03:30,782 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:03:30,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:03:30,784 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:03:30,784 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:03:30,785 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:03:30,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:03:30,786 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:03:30,786 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:03:30,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:03:30,788 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:03:30,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:03:30,795 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:03:30,798 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:03:30,802 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:03:30,804 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:03:30,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:03:30,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:03:30,808 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:03:30,813 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:03:30,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:03:30,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:03:30,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:03:30,814 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:03:30,815 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:03:30,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:03:30,815 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:03:30,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:03:30,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:03:30,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:03:30,817 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:03:30,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:03:30,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:03:30,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:03:30,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:03:30,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:03:30,820 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 01:03:30,843 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:03:30,843 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:03:30,843 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:03:30,844 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:03:30,845 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:03:30,845 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:03:30,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:03:30,845 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:03:30,846 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:03:30,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:03:30,846 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:03:30,846 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:03:30,846 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:03:30,846 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:03:30,847 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:03:30,847 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:03:30,847 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:03:30,848 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:03:30,848 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:03:30,848 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:03:30,848 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:03:30,848 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:03:30,848 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:03:30,849 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:03:30,849 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:03:30,849 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:03:30,849 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:03:31,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:03:31,013 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:03:31,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:03:31,015 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:03:31,015 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:03:31,016 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-03-31 01:03:31,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:03:32,378 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:03:32,378 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c [2023-03-31 01:03:32,405 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a37599d/dc681ed0c5ae45af9c17caeac8e37e9d/FLAG820799e6e [2023-03-31 01:03:32,415 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/91a37599d/dc681ed0c5ae45af9c17caeac8e37e9d [2023-03-31 01:03:32,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:03:32,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:03:32,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:03:32,418 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:03:32,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:03:32,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:03:32" (1/1) ... [2023-03-31 01:03:32,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bcbd848 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:32, skipping insertion in model container [2023-03-31 01:03:32,421 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:03:32" (1/1) ... [2023-03-31 01:03:32,430 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:03:32,479 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:03:32,819 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2023-03-31 01:03:32,866 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:03:32,880 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:03:32,966 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec6_product21.cil.c[54302,54315] [2023-03-31 01:03:32,980 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:03:33,004 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:03:33,009 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:03:33,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33 WrapperNode [2023-03-31 01:03:33,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:03:33,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:03:33,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:03:33,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:03:33,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,091 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,124 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:03:33,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:03:33,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:03:33,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:03:33,137 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (1/1) ... [2023-03-31 01:03:33,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:03:33,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:33,170 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 01:03:33,207 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 01:03:33,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:03:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:03:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:03:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:03:33,219 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:03:33,220 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:03:33,221 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:03:33,222 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:03:33,223 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:03:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:03:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:03:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:03:33,224 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:03:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:03:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:03:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:03:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:03:33,225 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:03:33,226 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:03:33,227 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:03:33,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:03:33,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:03:33,230 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:03:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:03:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:03:33,231 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:03:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:03:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:03:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:03:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:03:33,231 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:03:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:03:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:03:33,232 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:03:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:03:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:03:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:03:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:03:33,233 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:03:33,234 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2023-03-31 01:03:33,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:03:33,240 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:03:33,241 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:03:33,242 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:03:33,243 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:03:33,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:03:33,245 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:03:33,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:03:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:03:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:03:33,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:03:33,542 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:03:33,544 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:03:34,556 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:03:34,564 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:03:34,564 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:03:34,566 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:03:34 BoogieIcfgContainer [2023-03-31 01:03:34,566 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:03:34,568 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:03:34,568 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:03:34,570 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:03:34,570 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:03:32" (1/3) ... [2023-03-31 01:03:34,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304a7874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:03:34, skipping insertion in model container [2023-03-31 01:03:34,573 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:03:33" (2/3) ... [2023-03-31 01:03:34,574 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@304a7874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:03:34, skipping insertion in model container [2023-03-31 01:03:34,574 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:03:34" (3/3) ... [2023-03-31 01:03:34,575 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec6_product21.cil.c [2023-03-31 01:03:34,586 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:03:34,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:03:34,644 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:03:34,649 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;@4b4f000b, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:03:34,649 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:03:34,655 INFO L276 IsEmpty]: Start isEmpty. Operand has 577 states, 376 states have (on average 1.452127659574468) internal successors, (546), 384 states have internal predecessors, (546), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) [2023-03-31 01:03:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2023-03-31 01:03:34,677 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:34,678 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:34,678 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:34,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:34,682 INFO L85 PathProgramCache]: Analyzing trace with hash -683981687, now seen corresponding path program 1 times [2023-03-31 01:03:34,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:34,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056149558] [2023-03-31 01:03:34,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:34,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:35,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:35,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:03:35,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:35,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:03:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:03:35,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 01:03:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:03:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:03:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:03:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:03:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:03:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:03:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:03:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:03:35,843 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:35,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056149558] [2023-03-31 01:03:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056149558] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 01:03:35,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789457027] [2023-03-31 01:03:35,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:35,848 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 01:03:35,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:35,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 01:03:35,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:03:35,870 INFO L87 Difference]: Start difference. First operand has 577 states, 376 states have (on average 1.452127659574468) internal successors, (546), 384 states have internal predecessors, (546), 119 states have call successors, (119), 76 states have call predecessors, (119), 76 states have return successors, (119), 118 states have call predecessors, (119), 119 states have call successors, (119) Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:03:44,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:44,152 INFO L93 Difference]: Finished difference Result 1213 states and 1815 transitions. [2023-03-31 01:03:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2023-03-31 01:03:44,154 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 185 [2023-03-31 01:03:44,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:44,181 INFO L225 Difference]: With dead ends: 1213 [2023-03-31 01:03:44,181 INFO L226 Difference]: Without dead ends: 853 [2023-03-31 01:03:44,189 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=269, Invalid=661, Unknown=0, NotChecked=0, Total=930 [2023-03-31 01:03:44,193 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 3241 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1694 mSolverCounterSat, 1631 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3287 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 3325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1631 IncrementalHoareTripleChecker+Valid, 1694 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:44,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3287 Valid, 66 Invalid, 3325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1631 Valid, 1694 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2023-03-31 01:03:44,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 853 states. [2023-03-31 01:03:44,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 853 to 548. [2023-03-31 01:03:44,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 548 states, 361 states have (on average 1.4542936288088644) internal successors, (525), 366 states have internal predecessors, (525), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-03-31 01:03:44,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 748 transitions. [2023-03-31 01:03:44,511 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 748 transitions. Word has length 185 [2023-03-31 01:03:44,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:44,512 INFO L495 AbstractCegarLoop]: Abstraction has 548 states and 748 transitions. [2023-03-31 01:03:44,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (42), 11 states have call predecessors, (42), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:03:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 748 transitions. [2023-03-31 01:03:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-03-31 01:03:44,517 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:44,517 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:44,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:03:44,517 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:44,517 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:44,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1517370707, now seen corresponding path program 1 times [2023-03-31 01:03:44,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:44,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254762747] [2023-03-31 01:03:44,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:44,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:45,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:45,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:03:45,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:03:45,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:03:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:03:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:03:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:03:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:03:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:03:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:03:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:03:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 01:03:45,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:45,670 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 01:03:45,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:45,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254762747] [2023-03-31 01:03:45,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254762747] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:45,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [112361042] [2023-03-31 01:03:45,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:45,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:45,671 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:45,685 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 01:03:45,688 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 01:03:46,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:46,128 INFO L262 TraceCheckSpWp]: Trace formula consists of 2456 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:03:46,139 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:03:46,173 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:46,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [112361042] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:46,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:46,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:03:46,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775550144] [2023-03-31 01:03:46,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:46,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:03:46,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:46,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:03:46,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:46,176 INFO L87 Difference]: Start difference. First operand 548 states and 748 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:03:46,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:46,429 INFO L93 Difference]: Finished difference Result 823 states and 1104 transitions. [2023-03-31 01:03:46,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:03:46,430 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 186 [2023-03-31 01:03:46,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:46,433 INFO L225 Difference]: With dead ends: 823 [2023-03-31 01:03:46,433 INFO L226 Difference]: Without dead ends: 551 [2023-03-31 01:03:46,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:46,435 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 1 mSDsluCounter, 744 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1490 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 01:03:46,436 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1490 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:03:46,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2023-03-31 01:03:46,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 550. [2023-03-31 01:03:46,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 550 states, 363 states have (on average 1.4517906336088153) internal successors, (527), 368 states have internal predecessors, (527), 114 states have call successors, (114), 76 states have call predecessors, (114), 72 states have return successors, (109), 108 states have call predecessors, (109), 109 states have call successors, (109) [2023-03-31 01:03:46,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 750 transitions. [2023-03-31 01:03:46,717 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 750 transitions. Word has length 186 [2023-03-31 01:03:46,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:46,717 INFO L495 AbstractCegarLoop]: Abstraction has 550 states and 750 transitions. [2023-03-31 01:03:46,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:03:46,718 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 750 transitions. [2023-03-31 01:03:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 01:03:46,722 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:46,722 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:46,739 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 01:03:46,939 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 01:03:46,940 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:46,940 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:46,940 INFO L85 PathProgramCache]: Analyzing trace with hash 1202144799, now seen corresponding path program 1 times [2023-03-31 01:03:46,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:46,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165559955] [2023-03-31 01:03:46,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:46,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:46,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:47,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:47,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:47,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:47,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:47,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:03:47,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:03:47,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 01:03:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:03:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:03:47,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:03:47,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:03:47,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 01:03:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:03:47,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 01:03:47,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 01:03:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:47,881 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:03:47,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:47,881 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165559955] [2023-03-31 01:03:47,882 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165559955] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:47,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1171121707] [2023-03-31 01:03:47,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:47,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:47,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:47,889 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 01:03:47,893 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 01:03:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:48,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 2468 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:03:48,345 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:48,381 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:03:48,382 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:48,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1171121707] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:48,382 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:48,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:03:48,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041318398] [2023-03-31 01:03:48,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:48,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:03:48,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:48,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:03:48,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:48,384 INFO L87 Difference]: Start difference. First operand 550 states and 750 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:03:48,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:48,629 INFO L93 Difference]: Finished difference Result 1078 states and 1501 transitions. [2023-03-31 01:03:48,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:03:48,630 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2023-03-31 01:03:48,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:48,634 INFO L225 Difference]: With dead ends: 1078 [2023-03-31 01:03:48,634 INFO L226 Difference]: Without dead ends: 593 [2023-03-31 01:03:48,635 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:03:48,637 INFO L413 NwaCegarLoop]: 751 mSDtfsCounter, 53 mSDsluCounter, 741 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 1492 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 01:03:48,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 1492 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:03:48,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2023-03-31 01:03:48,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 592. [2023-03-31 01:03:48,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 396 states have (on average 1.4671717171717171) internal successors, (581), 401 states have internal predecessors, (581), 123 states have call successors, (123), 76 states have call predecessors, (123), 72 states have return successors, (118), 117 states have call predecessors, (118), 118 states have call successors, (118) [2023-03-31 01:03:48,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 822 transitions. [2023-03-31 01:03:48,891 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 822 transitions. Word has length 192 [2023-03-31 01:03:48,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:48,891 INFO L495 AbstractCegarLoop]: Abstraction has 592 states and 822 transitions. [2023-03-31 01:03:48,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:03:48,892 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 822 transitions. [2023-03-31 01:03:48,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-03-31 01:03:48,895 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:48,895 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:48,913 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 01:03:49,104 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 01:03:49,104 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:49,104 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:49,105 INFO L85 PathProgramCache]: Analyzing trace with hash -472617229, now seen corresponding path program 1 times [2023-03-31 01:03:49,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:49,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878769840] [2023-03-31 01:03:49,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:49,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,729 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:49,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:03:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:03:49,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:49,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:03:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 01:03:49,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:03:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:03:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:03:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:03:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:49,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:50,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2023-03-31 01:03:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:50,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:03:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:50,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2023-03-31 01:03:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:50,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-03-31 01:03:50,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:50,011 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:03:50,012 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:50,013 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878769840] [2023-03-31 01:03:50,013 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878769840] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:50,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1977830541] [2023-03-31 01:03:50,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:50,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:50,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:50,017 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 01:03:50,020 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 01:03:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:50,438 INFO L262 TraceCheckSpWp]: Trace formula consists of 2473 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:03:50,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:50,653 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:03:50,653 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:50,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1977830541] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:50,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:50,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-03-31 01:03:50,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943139433] [2023-03-31 01:03:50,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:50,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:03:50,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:50,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:03:50,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:03:50,655 INFO L87 Difference]: Start difference. First operand 592 states and 822 transitions. Second operand has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:03:51,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:51,709 INFO L93 Difference]: Finished difference Result 1162 states and 1624 transitions. [2023-03-31 01:03:51,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:03:51,709 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 193 [2023-03-31 01:03:51,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:51,713 INFO L225 Difference]: With dead ends: 1162 [2023-03-31 01:03:51,713 INFO L226 Difference]: Without dead ends: 606 [2023-03-31 01:03:51,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:03:51,715 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 703 mSDsluCounter, 3334 mSDsCounter, 0 mSdLazyCounter, 1293 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 4087 SdHoareTripleChecker+Invalid, 1295 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1293 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:51,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 4087 Invalid, 1295 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1293 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-03-31 01:03:51,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2023-03-31 01:03:51,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 606. [2023-03-31 01:03:51,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 606 states, 407 states have (on average 1.4692874692874693) internal successors, (598), 413 states have internal predecessors, (598), 123 states have call successors, (123), 78 states have call predecessors, (123), 75 states have return successors, (119), 117 states have call predecessors, (119), 118 states have call successors, (119) [2023-03-31 01:03:51,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 606 states and 840 transitions. [2023-03-31 01:03:51,942 INFO L78 Accepts]: Start accepts. Automaton has 606 states and 840 transitions. Word has length 193 [2023-03-31 01:03:51,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:51,942 INFO L495 AbstractCegarLoop]: Abstraction has 606 states and 840 transitions. [2023-03-31 01:03:51,943 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (42), 3 states have call predecessors, (42), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:03:51,943 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 840 transitions. [2023-03-31 01:03:51,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2023-03-31 01:03:51,945 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:51,945 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:51,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:03:52,153 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 01:03:52,154 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:52,154 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:52,154 INFO L85 PathProgramCache]: Analyzing trace with hash 2032232627, now seen corresponding path program 1 times [2023-03-31 01:03:52,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:52,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372359903] [2023-03-31 01:03:52,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:52,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:52,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:52,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:52,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:03:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:03:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:52,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:03:52,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 01:03:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:03:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:03:52,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:52,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:03:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:03:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:53,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:03:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:03:53,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2023-03-31 01:03:53,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-03-31 01:03:53,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:03:53,018 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:53,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1372359903] [2023-03-31 01:03:53,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1372359903] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:03:53,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135351489] [2023-03-31 01:03:53,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:53,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:03:53,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:03:53,034 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 01:03:53,036 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 01:03:53,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:53,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 2474 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:03:53,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:03:53,585 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 01:03:53,585 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:03:53,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135351489] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:53,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:03:53,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-03-31 01:03:53,585 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229726429] [2023-03-31 01:03:53,585 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:53,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:03:53,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:53,586 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:03:53,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 01:03:53,587 INFO L87 Difference]: Start difference. First operand 606 states and 840 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2023-03-31 01:03:54,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:03:54,422 INFO L93 Difference]: Finished difference Result 1163 states and 1628 transitions. [2023-03-31 01:03:54,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:03:54,423 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 194 [2023-03-31 01:03:54,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:03:54,425 INFO L225 Difference]: With dead ends: 1163 [2023-03-31 01:03:54,425 INFO L226 Difference]: Without dead ends: 608 [2023-03-31 01:03:54,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:03:54,427 INFO L413 NwaCegarLoop]: 752 mSDtfsCounter, 698 mSDsluCounter, 2188 mSDsCounter, 0 mSdLazyCounter, 867 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2940 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 867 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:03:54,427 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2940 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 867 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:03:54,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2023-03-31 01:03:54,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 608. [2023-03-31 01:03:54,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 408 states have (on average 1.4681372549019607) internal successors, (599), 415 states have internal predecessors, (599), 123 states have call successors, (123), 78 states have call predecessors, (123), 76 states have return successors, (121), 117 states have call predecessors, (121), 118 states have call successors, (121) [2023-03-31 01:03:54,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 843 transitions. [2023-03-31 01:03:54,646 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 843 transitions. Word has length 194 [2023-03-31 01:03:54,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:03:54,646 INFO L495 AbstractCegarLoop]: Abstraction has 608 states and 843 transitions. [2023-03-31 01:03:54,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (42), 3 states have call predecessors, (42), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2023-03-31 01:03:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 843 transitions. [2023-03-31 01:03:54,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2023-03-31 01:03:54,648 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:03:54,648 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:03:54,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:03:54,856 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 01:03:54,856 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:03:54,857 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:03:54,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1114989750, now seen corresponding path program 1 times [2023-03-31 01:03:54,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:03:54,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992716686] [2023-03-31 01:03:54,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:03:54,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:03:54,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:03:55,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:03:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:03:55,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:03:55,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:03:55,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:03:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:03:55,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:03:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:03:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:03:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:03:55,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 01:03:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:03:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:03:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 01:03:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:03:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:03:55,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:03:55,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 01:03:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2023-03-31 01:03:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 01:03:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:03:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 01:03:55,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:03:55,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992716686] [2023-03-31 01:03:55,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992716686] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:03:55,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:03:55,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:03:55,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634152645] [2023-03-31 01:03:55,718 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:03:55,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:03:55,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:03:55,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:03:55,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:03:55,719 INFO L87 Difference]: Start difference. First operand 608 states and 843 transitions. Second operand has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:04:06,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:04:06,829 INFO L93 Difference]: Finished difference Result 1566 states and 2350 transitions. [2023-03-31 01:04:06,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 01:04:06,829 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 195 [2023-03-31 01:04:06,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:04:06,834 INFO L225 Difference]: With dead ends: 1566 [2023-03-31 01:04:06,834 INFO L226 Difference]: Without dead ends: 1017 [2023-03-31 01:04:06,836 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-03-31 01:04:06,837 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3792 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 8022 mSolverCounterSat, 1840 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3795 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 9862 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1840 IncrementalHoareTripleChecker+Valid, 8022 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:04:06,837 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3795 Valid, 79 Invalid, 9862 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1840 Valid, 8022 Invalid, 0 Unknown, 0 Unchecked, 7.9s Time] [2023-03-31 01:04:06,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2023-03-31 01:04:07,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 618. [2023-03-31 01:04:07,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 417 states have (on average 1.4652278177458034) internal successors, (611), 423 states have internal predecessors, (611), 123 states have call successors, (123), 80 states have call predecessors, (123), 77 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2023-03-31 01:04:07,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 854 transitions. [2023-03-31 01:04:07,119 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 854 transitions. Word has length 195 [2023-03-31 01:04:07,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:04:07,123 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 854 transitions. [2023-03-31 01:04:07,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:04:07,124 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 854 transitions. [2023-03-31 01:04:07,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-03-31 01:04:07,145 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:04:07,145 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:04:07,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:04:07,145 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:04:07,146 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:04:07,146 INFO L85 PathProgramCache]: Analyzing trace with hash 810781470, now seen corresponding path program 2 times [2023-03-31 01:04:07,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:04:07,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085859183] [2023-03-31 01:04:07,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:04:07,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:04:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:04:07,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:04:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:04:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:04:07,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:04:07,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:04:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:04:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:04:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:04:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:07,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:07,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:04:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:04:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:08,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:04:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:04:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:04:08,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 01:04:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:04:08,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 01:04:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:04:08,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:04:08,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 01:04:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2023-03-31 01:04:08,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 01:04:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:08,150 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:04:08,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:04:08,151 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085859183] [2023-03-31 01:04:08,151 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085859183] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:04:08,151 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:04:08,151 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:04:08,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705609575] [2023-03-31 01:04:08,151 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:04:08,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:04:08,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:04:08,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:04:08,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:04:08,153 INFO L87 Difference]: Start difference. First operand 618 states and 854 transitions. Second operand has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-03-31 01:04:19,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:04:19,401 INFO L93 Difference]: Finished difference Result 1568 states and 2355 transitions. [2023-03-31 01:04:19,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-31 01:04:19,401 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 196 [2023-03-31 01:04:19,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:04:19,406 INFO L225 Difference]: With dead ends: 1568 [2023-03-31 01:04:19,406 INFO L226 Difference]: Without dead ends: 1030 [2023-03-31 01:04:19,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-03-31 01:04:19,408 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3656 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 9014 mSolverCounterSat, 1863 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3659 SdHoareTripleChecker+Valid, 90 SdHoareTripleChecker+Invalid, 10877 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1863 IncrementalHoareTripleChecker+Valid, 9014 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2023-03-31 01:04:19,408 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3659 Valid, 90 Invalid, 10877 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1863 Valid, 9014 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2023-03-31 01:04:19,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1030 states. [2023-03-31 01:04:19,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1030 to 623. [2023-03-31 01:04:19,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 623 states, 419 states have (on average 1.4630071599045347) internal successors, (613), 426 states have internal predecessors, (613), 124 states have call successors, (124), 80 states have call predecessors, (124), 79 states have return successors, (123), 119 states have call predecessors, (123), 119 states have call successors, (123) [2023-03-31 01:04:19,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 860 transitions. [2023-03-31 01:04:19,692 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 860 transitions. Word has length 196 [2023-03-31 01:04:19,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:04:19,692 INFO L495 AbstractCegarLoop]: Abstraction has 623 states and 860 transitions. [2023-03-31 01:04:19,692 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-03-31 01:04:19,692 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 860 transitions. [2023-03-31 01:04:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-03-31 01:04:19,694 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:04:19,694 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:04:19,694 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:04:19,694 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:04:19,695 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:04:19,695 INFO L85 PathProgramCache]: Analyzing trace with hash 1259473267, now seen corresponding path program 3 times [2023-03-31 01:04:19,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:04:19,695 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972960096] [2023-03-31 01:04:19,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:04:19,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:04:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:04:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:04:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:04:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:04:20,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:04:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:04:20,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:04:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:04:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:04:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:04:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:04:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:04:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:04:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:04:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:04:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:04:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:04:20,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:04:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:04:20,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:04:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 01:04:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 01:04:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:20,550 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-03-31 01:04:20,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:04:20,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972960096] [2023-03-31 01:04:20,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972960096] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:04:20,551 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:04:20,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:04:20,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749082953] [2023-03-31 01:04:20,551 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:04:20,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:04:20,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:04:20,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:04:20,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:04:20,552 INFO L87 Difference]: Start difference. First operand 623 states and 860 transitions. Second operand has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:04:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:04:31,307 INFO L93 Difference]: Finished difference Result 1564 states and 2346 transitions. [2023-03-31 01:04:31,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 01:04:31,307 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 197 [2023-03-31 01:04:31,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:04:31,311 INFO L225 Difference]: With dead ends: 1564 [2023-03-31 01:04:31,311 INFO L226 Difference]: Without dead ends: 1019 [2023-03-31 01:04:31,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-03-31 01:04:31,314 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3637 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7853 mSolverCounterSat, 1769 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3640 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 9622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1769 IncrementalHoareTripleChecker+Valid, 7853 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2023-03-31 01:04:31,314 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3640 Valid, 79 Invalid, 9622 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1769 Valid, 7853 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2023-03-31 01:04:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2023-03-31 01:04:31,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 618. [2023-03-31 01:04:31,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 618 states, 417 states have (on average 1.4628297362110312) internal successors, (610), 423 states have internal predecessors, (610), 123 states have call successors, (123), 80 states have call predecessors, (123), 77 states have return successors, (120), 117 states have call predecessors, (120), 118 states have call successors, (120) [2023-03-31 01:04:31,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 853 transitions. [2023-03-31 01:04:31,601 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 853 transitions. Word has length 197 [2023-03-31 01:04:31,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:04:31,601 INFO L495 AbstractCegarLoop]: Abstraction has 618 states and 853 transitions. [2023-03-31 01:04:31,602 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:04:31,602 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 853 transitions. [2023-03-31 01:04:31,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2023-03-31 01:04:31,604 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:04:31,604 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:04:31,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 01:04:31,605 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:04:31,605 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:04:31,605 INFO L85 PathProgramCache]: Analyzing trace with hash 947044797, now seen corresponding path program 1 times [2023-03-31 01:04:31,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:04:31,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317032642] [2023-03-31 01:04:31,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:04:31,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:04:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:04:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:04:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:04:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:04:32,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:04:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:04:32,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:04:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:04:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:04:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:04:32,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:04:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:04:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:04:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:04:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 01:04:32,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:04:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 01:04:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:04:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:04:32,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:04:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:04:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-03-31 01:04:32,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 01:04:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:04:32,458 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 01:04:32,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:04:32,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317032642] [2023-03-31 01:04:32,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317032642] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:04:32,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:04:32,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:04:32,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074780083] [2023-03-31 01:04:32,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:04:32,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:04:32,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:04:32,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:04:32,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:04:32,460 INFO L87 Difference]: Start difference. First operand 618 states and 853 transitions. Second operand has 19 states, 16 states have (on average 7.0625) internal successors, (113), 9 states have internal predecessors, (113), 5 states have call successors, (42), 11 states have call predecessors, (42), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31)