/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_spec1_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:58:06,506 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:58:06,507 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:58:06,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:58:06,534 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:58:06,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:58:06,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:58:06,541 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:58:06,543 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:58:06,547 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:58:06,548 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:58:06,549 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:58:06,549 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:58:06,552 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:58:06,553 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:58:06,554 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:58:06,555 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:58:06,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:58:06,557 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:58:06,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:58:06,562 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:58:06,563 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:58:06,564 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:58:06,565 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:58:06,571 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:58:06,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:58:06,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:58:06,572 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:58:06,573 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:58:06,573 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:58:06,574 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:58:06,574 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:58:06,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:58:06,576 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:58:06,577 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:58:06,577 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:58:06,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:58:06,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:58:06,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:58:06,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:58:06,579 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:58:06,580 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:58:06,610 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:58:06,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:58:06,611 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:58:06,611 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:58:06,612 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:58:06,612 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:58:06,612 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:58:06,613 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:58:06,613 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:58:06,613 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:58:06,613 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:58:06,614 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:58:06,615 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:58:06,615 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:58:06,615 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:58:06,615 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:58:06,615 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:58:06,615 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:58:06,615 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:58:06,615 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:58:06,616 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:58:06,616 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:58:06,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:58:06,616 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:58:06,616 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:58:06,617 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:58:06,617 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:58:06,617 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:58:06,617 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:58:06,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:58:06,832 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:58:06,834 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:58:06,834 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:58:06,835 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:58:06,836 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec1_product12.cil.c [2023-03-31 00:58:08,206 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:58:08,493 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:58:08,493 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec1_product12.cil.c [2023-03-31 00:58:08,509 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e8d561b/1c4dbf2d59654cd99de2ac0a0c9ac0bc/FLAG36e628282 [2023-03-31 00:58:08,523 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/21e8d561b/1c4dbf2d59654cd99de2ac0a0c9ac0bc [2023-03-31 00:58:08,529 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:58:08,531 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:58:08,532 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:58:08,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:58:08,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:58:08,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:58:08" (1/1) ... [2023-03-31 00:58:08,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c5c7955 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:08, skipping insertion in model container [2023-03-31 00:58:08,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:58:08" (1/1) ... [2023-03-31 00:58:08,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:58:08,605 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:58:09,081 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_spec1_product12.cil.c[58861,58874] [2023-03-31 00:58:09,093 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:58:09,115 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:58:09,235 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_spec1_product12.cil.c[58861,58874] [2023-03-31 00:58:09,241 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:58:09,265 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:58:09,271 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:58:09,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09 WrapperNode [2023-03-31 00:58:09,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:58:09,273 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:58:09,273 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:58:09,273 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:58:09,283 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,283 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,311 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,311 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,380 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,385 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:58:09,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:58:09,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:58:09,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:58:09,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (1/1) ... [2023-03-31 00:58:09,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:58:09,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:09,443 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:58:09,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:58:09,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:58:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 00:58:09,484 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 00:58:09,485 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:58:09,486 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:58:09,487 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:58:09,488 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:58:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:58:09,489 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:58:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:58:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:58:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:58:09,490 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:58:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:58:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:58:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 00:58:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:58:09,491 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:58:09,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:58:09,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:58:09,494 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:58:09,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:58:09,496 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-03-31 00:58:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:58:09,496 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 00:58:09,497 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 00:58:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 00:58:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 00:58:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:58:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:58:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:58:09,498 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:58:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:58:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:58:09,499 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:58:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:58:09,500 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:58:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:58:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:58:09,503 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 00:58:09,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 00:58:09,505 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:58:09,506 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:58:09,507 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:58:09,508 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:58:09,509 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:58:09,510 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:58:09,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 00:58:09,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:58:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:58:09,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:58:09,821 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:58:09,823 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:58:10,749 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:58:10,767 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:58:10,767 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:58:10,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:58:10 BoogieIcfgContainer [2023-03-31 00:58:10,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:58:10,775 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:58:10,775 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:58:10,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:58:10,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:58:08" (1/3) ... [2023-03-31 00:58:10,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d4c890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:58:10, skipping insertion in model container [2023-03-31 00:58:10,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:58:09" (2/3) ... [2023-03-31 00:58:10,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64d4c890 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:58:10, skipping insertion in model container [2023-03-31 00:58:10,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:58:10" (3/3) ... [2023-03-31 00:58:10,779 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec1_product12.cil.c [2023-03-31 00:58:10,796 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:58:10,796 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:58:10,851 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:58:10,855 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;@28cec9ba, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:58:10,855 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:58:10,860 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 272 states have (on average 1.4227941176470589) internal successors, (387), 278 states have internal predecessors, (387), 88 states have call successors, (88), 57 states have call predecessors, (88), 57 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) [2023-03-31 00:58:10,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-03-31 00:58:10,877 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:10,878 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:10,878 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:10,882 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:10,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1566507192, now seen corresponding path program 1 times [2023-03-31 00:58:10,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:10,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764912837] [2023-03-31 00:58:10,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:10,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:12,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:12,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:58:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:12,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 00:58:12,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:58:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:12,418 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:12,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:12,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764912837] [2023-03-31 00:58:12,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764912837] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:12,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:12,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-03-31 00:58:12,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086851736] [2023-03-31 00:58:12,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:12,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-03-31 00:58:12,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:12,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-03-31 00:58:12,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2023-03-31 00:58:12,463 INFO L87 Difference]: Start difference. First operand has 424 states, 272 states have (on average 1.4227941176470589) internal successors, (387), 278 states have internal predecessors, (387), 88 states have call successors, (88), 57 states have call predecessors, (88), 57 states have return successors, (88), 88 states have call predecessors, (88), 88 states have call successors, (88) Second operand has 10 states, 10 states have (on average 7.1) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 10 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 00:58:20,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:20,245 INFO L93 Difference]: Finished difference Result 897 states and 1340 transitions. [2023-03-31 00:58:20,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 00:58:20,247 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 10 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 145 [2023-03-31 00:58:20,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:20,267 INFO L225 Difference]: With dead ends: 897 [2023-03-31 00:58:20,267 INFO L226 Difference]: Without dead ends: 647 [2023-03-31 00:58:20,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:58:20,275 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 1062 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 1705 mSolverCounterSat, 506 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1091 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 2211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 506 IncrementalHoareTripleChecker+Valid, 1705 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:20,276 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1091 Valid, 112 Invalid, 2211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [506 Valid, 1705 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-03-31 00:58:20,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2023-03-31 00:58:20,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 379. [2023-03-31 00:58:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 248 states have (on average 1.439516129032258) internal successors, (357), 251 states have internal predecessors, (357), 79 states have call successors, (79), 55 states have call predecessors, (79), 51 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-03-31 00:58:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 510 transitions. [2023-03-31 00:58:20,606 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 510 transitions. Word has length 145 [2023-03-31 00:58:20,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:20,607 INFO L495 AbstractCegarLoop]: Abstraction has 379 states and 510 transitions. [2023-03-31 00:58:20,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.1) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 10 states have call predecessors, (34), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 00:58:20,607 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 510 transitions. [2023-03-31 00:58:20,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-03-31 00:58:20,613 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:20,613 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:20,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 00:58:20,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:20,614 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:20,614 INFO L85 PathProgramCache]: Analyzing trace with hash 49077542, now seen corresponding path program 1 times [2023-03-31 00:58:20,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:20,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590525469] [2023-03-31 00:58:20,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:20,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:21,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:21,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:21,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:58:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:21,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:58:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:58:21,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:21,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:21,796 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-03-31 00:58:21,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:21,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1590525469] [2023-03-31 00:58:21,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1590525469] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:21,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1594761457] [2023-03-31 00:58:21,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:21,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:21,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:21,801 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:21,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:58:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:22,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 1904 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:58:22,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:22,279 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:22,279 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:22,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1594761457] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:22,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:22,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:22,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506078208] [2023-03-31 00:58:22,281 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:22,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:22,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:22,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:22,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:22,283 INFO L87 Difference]: Start difference. First operand 379 states and 510 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 00:58:22,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:22,589 INFO L93 Difference]: Finished difference Result 540 states and 714 transitions. [2023-03-31 00:58:22,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:22,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 146 [2023-03-31 00:58:22,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:22,597 INFO L225 Difference]: With dead ends: 540 [2023-03-31 00:58:22,597 INFO L226 Difference]: Without dead ends: 382 [2023-03-31 00:58:22,601 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:22,602 INFO L413 NwaCegarLoop]: 508 mSDtfsCounter, 1 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1014 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:22,605 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1014 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:22,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2023-03-31 00:58:22,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 381. [2023-03-31 00:58:22,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 250 states have (on average 1.436) internal successors, (359), 253 states have internal predecessors, (359), 79 states have call successors, (79), 55 states have call predecessors, (79), 51 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2023-03-31 00:58:22,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 512 transitions. [2023-03-31 00:58:22,869 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 512 transitions. Word has length 146 [2023-03-31 00:58:22,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:22,870 INFO L495 AbstractCegarLoop]: Abstraction has 381 states and 512 transitions. [2023-03-31 00:58:22,870 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 00:58:22,870 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 512 transitions. [2023-03-31 00:58:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-03-31 00:58:22,872 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:22,873 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:22,881 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:23,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:23,082 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:23,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:23,082 INFO L85 PathProgramCache]: Analyzing trace with hash 1339181682, now seen corresponding path program 1 times [2023-03-31 00:58:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:23,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037474867] [2023-03-31 00:58:23,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:23,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:23,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:23,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:23,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:23,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:23,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:24,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:24,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:24,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 00:58:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:24,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:58:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:58:24,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:58:24,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 00:58:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,074 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:24,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:24,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037474867] [2023-03-31 00:58:24,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037474867] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:24,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [836014014] [2023-03-31 00:58:24,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:24,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:24,075 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:24,077 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:24,102 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:58:24,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:24,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 1916 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:24,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:24,520 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-03-31 00:58:24,520 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:24,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [836014014] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:24,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:24,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [17] total 18 [2023-03-31 00:58:24,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1107210285] [2023-03-31 00:58:24,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:24,525 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:24,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:24,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:24,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:24,526 INFO L87 Difference]: Start difference. First operand 381 states and 512 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 00:58:24,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:24,844 INFO L93 Difference]: Finished difference Result 736 states and 1019 transitions. [2023-03-31 00:58:24,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:24,845 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 152 [2023-03-31 00:58:24,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:24,849 INFO L225 Difference]: With dead ends: 736 [2023-03-31 00:58:24,849 INFO L226 Difference]: Without dead ends: 420 [2023-03-31 00:58:24,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:24,853 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 51 mSDsluCounter, 503 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 1018 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:24,854 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 1018 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:24,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2023-03-31 00:58:25,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 419. [2023-03-31 00:58:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 281 states have (on average 1.4626334519572954) internal successors, (411), 284 states have internal predecessors, (411), 86 states have call successors, (86), 55 states have call predecessors, (86), 51 states have return successors, (81), 81 states have call predecessors, (81), 81 states have call successors, (81) [2023-03-31 00:58:25,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 578 transitions. [2023-03-31 00:58:25,203 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 578 transitions. Word has length 152 [2023-03-31 00:58:25,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:25,204 INFO L495 AbstractCegarLoop]: Abstraction has 419 states and 578 transitions. [2023-03-31 00:58:25,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2023-03-31 00:58:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 578 transitions. [2023-03-31 00:58:25,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 00:58:25,210 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:25,210 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:25,220 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:25,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 00:58:25,418 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:25,419 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:25,419 INFO L85 PathProgramCache]: Analyzing trace with hash -475650638, now seen corresponding path program 1 times [2023-03-31 00:58:25,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:25,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719731398] [2023-03-31 00:58:25,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:25,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:25,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:26,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:26,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:26,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:26,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 00:58:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:26,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 00:58:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:26,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,477 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 00:58:26,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:58:26,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:58:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:58:26,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,489 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:26,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:26,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719731398] [2023-03-31 00:58:26,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719731398] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:26,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [571553318] [2023-03-31 00:58:26,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:26,494 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:26,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:26,496 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:26,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:58:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:26,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 1921 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 00:58:26,871 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:27,061 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:27,061 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [571553318] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:27,061 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:27,061 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [17] total 23 [2023-03-31 00:58:27,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006076519] [2023-03-31 00:58:27,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:27,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:27,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:27,063 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:27,063 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=443, Unknown=0, NotChecked=0, Total=506 [2023-03-31 00:58:27,063 INFO L87 Difference]: Start difference. First operand 419 states and 578 transitions. Second operand has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 9 states have internal predecessors, (90), 6 states have call successors, (34), 3 states have call predecessors, (34), 6 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 00:58:27,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:27,913 INFO L93 Difference]: Finished difference Result 816 states and 1136 transitions. [2023-03-31 00:58:27,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 00:58:27,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 9 states have internal predecessors, (90), 6 states have call successors, (34), 3 states have call predecessors, (34), 6 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) Word has length 153 [2023-03-31 00:58:27,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:27,919 INFO L225 Difference]: With dead ends: 816 [2023-03-31 00:58:27,919 INFO L226 Difference]: Without dead ends: 433 [2023-03-31 00:58:27,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=78, Invalid=572, Unknown=0, NotChecked=0, Total=650 [2023-03-31 00:58:27,923 INFO L413 NwaCegarLoop]: 515 mSDtfsCounter, 471 mSDsluCounter, 2242 mSDsCounter, 0 mSdLazyCounter, 861 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 2757 SdHoareTripleChecker+Invalid, 863 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 861 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:27,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 2757 Invalid, 863 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 861 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 00:58:27,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2023-03-31 00:58:28,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2023-03-31 00:58:28,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 292 states have (on average 1.4657534246575343) internal successors, (428), 296 states have internal predecessors, (428), 86 states have call successors, (86), 57 states have call predecessors, (86), 54 states have return successors, (82), 81 states have call predecessors, (82), 81 states have call successors, (82) [2023-03-31 00:58:28,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 596 transitions. [2023-03-31 00:58:28,140 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 596 transitions. Word has length 153 [2023-03-31 00:58:28,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:28,141 INFO L495 AbstractCegarLoop]: Abstraction has 433 states and 596 transitions. [2023-03-31 00:58:28,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 12.857142857142858) internal successors, (90), 9 states have internal predecessors, (90), 6 states have call successors, (34), 3 states have call predecessors, (34), 6 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 00:58:28,141 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 596 transitions. [2023-03-31 00:58:28,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 00:58:28,143 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:28,143 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:28,151 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-03-31 00:58:28,351 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:28,352 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:28,352 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:28,352 INFO L85 PathProgramCache]: Analyzing trace with hash -656139441, now seen corresponding path program 1 times [2023-03-31 00:58:28,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:28,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342838556] [2023-03-31 00:58:28,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:28,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:28,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:29,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:29,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,117 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 00:58:29,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:29,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 00:58:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:29,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 00:58:29,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2023-03-31 00:58:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:58:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:58:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,326 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:29,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:29,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342838556] [2023-03-31 00:58:29,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342838556] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:29,326 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1072999313] [2023-03-31 00:58:29,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:29,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:29,326 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:29,329 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:29,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:58:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:29,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 1922 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:58:29,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:29,887 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:29,887 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:29,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1072999313] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:29,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:29,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [18] total 22 [2023-03-31 00:58:29,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141258321] [2023-03-31 00:58:29,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:29,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:58:29,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:29,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:58:29,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=403, Unknown=0, NotChecked=0, Total=462 [2023-03-31 00:58:29,889 INFO L87 Difference]: Start difference. First operand 433 states and 596 transitions. Second operand has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2023-03-31 00:58:30,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:30,562 INFO L93 Difference]: Finished difference Result 817 states and 1140 transitions. [2023-03-31 00:58:30,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:58:30,563 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) Word has length 154 [2023-03-31 00:58:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:30,565 INFO L225 Difference]: With dead ends: 817 [2023-03-31 00:58:30,565 INFO L226 Difference]: Without dead ends: 435 [2023-03-31 00:58:30,566 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:58:30,567 INFO L413 NwaCegarLoop]: 514 mSDtfsCounter, 460 mSDsluCounter, 1516 mSDsCounter, 0 mSdLazyCounter, 587 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 468 SdHoareTripleChecker+Valid, 2030 SdHoareTripleChecker+Invalid, 588 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 587 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:30,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [468 Valid, 2030 Invalid, 588 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 587 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 00:58:30,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states. [2023-03-31 00:58:30,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 435. [2023-03-31 00:58:30,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 435 states, 293 states have (on average 1.4641638225255973) internal successors, (429), 298 states have internal predecessors, (429), 86 states have call successors, (86), 57 states have call predecessors, (86), 55 states have return successors, (84), 81 states have call predecessors, (84), 81 states have call successors, (84) [2023-03-31 00:58:30,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 599 transitions. [2023-03-31 00:58:30,807 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 599 transitions. Word has length 154 [2023-03-31 00:58:30,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:30,807 INFO L495 AbstractCegarLoop]: Abstraction has 435 states and 599 transitions. [2023-03-31 00:58:30,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 15.166666666666666) internal successors, (91), 7 states have internal predecessors, (91), 4 states have call successors, (34), 3 states have call predecessors, (34), 5 states have return successors, (25), 5 states have call predecessors, (25), 4 states have call successors, (25) [2023-03-31 00:58:30,808 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 599 transitions. [2023-03-31 00:58:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 00:58:30,809 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:30,810 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:30,820 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 00:58:31,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:31,018 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:31,018 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:31,018 INFO L85 PathProgramCache]: Analyzing trace with hash -105171315, now seen corresponding path program 1 times [2023-03-31 00:58:31,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:31,018 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181601058] [2023-03-31 00:58:31,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:31,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:31,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:31,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:31,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:31,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 00:58:31,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:31,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 00:58:31,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-03-31 00:58:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2023-03-31 00:58:31,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:31,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:31,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:31,969 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-03-31 00:58:31,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:31,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181601058] [2023-03-31 00:58:31,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1181601058] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:31,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:31,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-03-31 00:58:31,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869285187] [2023-03-31 00:58:31,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:31,970 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 00:58:31,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:31,970 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 00:58:31,970 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 00:58:31,971 INFO L87 Difference]: Start difference. First operand 435 states and 599 transitions. Second operand has 17 states, 14 states have (on average 6.071428571428571) internal successors, (85), 9 states have internal predecessors, (85), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 00:58:41,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:41,634 INFO L93 Difference]: Finished difference Result 1175 states and 1757 transitions. [2023-03-31 00:58:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2023-03-31 00:58:41,637 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 14 states have (on average 6.071428571428571) internal successors, (85), 9 states have internal predecessors, (85), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) Word has length 155 [2023-03-31 00:58:41,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:41,641 INFO L225 Difference]: With dead ends: 1175 [2023-03-31 00:58:41,641 INFO L226 Difference]: Without dead ends: 799 [2023-03-31 00:58:41,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 358 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=396, Invalid=1496, Unknown=0, NotChecked=0, Total=1892 [2023-03-31 00:58:41,643 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2614 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 5973 mSolverCounterSat, 1230 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2618 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 7203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1230 IncrementalHoareTripleChecker+Valid, 5973 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:41,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2618 Valid, 77 Invalid, 7203 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1230 Valid, 5973 Invalid, 0 Unknown, 0 Unchecked, 6.2s Time] [2023-03-31 00:58:41,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 799 states. [2023-03-31 00:58:41,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 799 to 445. [2023-03-31 00:58:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 445 states, 302 states have (on average 1.4602649006622517) internal successors, (441), 306 states have internal predecessors, (441), 86 states have call successors, (86), 59 states have call predecessors, (86), 56 states have return successors, (83), 81 states have call predecessors, (83), 81 states have call successors, (83) [2023-03-31 00:58:41,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 610 transitions. [2023-03-31 00:58:41,878 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 610 transitions. Word has length 155 [2023-03-31 00:58:41,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:41,878 INFO L495 AbstractCegarLoop]: Abstraction has 445 states and 610 transitions. [2023-03-31 00:58:41,879 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 14 states have (on average 6.071428571428571) internal successors, (85), 9 states have internal predecessors, (85), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25) [2023-03-31 00:58:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 610 transitions. [2023-03-31 00:58:41,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-03-31 00:58:41,881 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:41,881 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:41,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 00:58:41,881 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:41,881 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:41,882 INFO L85 PathProgramCache]: Analyzing trace with hash -1464402302, now seen corresponding path program 2 times [2023-03-31 00:58:41,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:41,882 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792446585] [2023-03-31 00:58:41,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:41,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:42,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:42,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:42,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 00:58:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:42,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:58:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2023-03-31 00:58:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2023-03-31 00:58:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:58:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:42,830 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-03-31 00:58:42,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:42,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792446585] [2023-03-31 00:58:42,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792446585] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:42,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:42,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 00:58:42,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804715835] [2023-03-31 00:58:42,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:42,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 00:58:42,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:42,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 00:58:42,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2023-03-31 00:58:42,832 INFO L87 Difference]: Start difference. First operand 445 states and 610 transitions. Second operand has 18 states, 15 states have (on average 5.933333333333334) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) [2023-03-31 00:58:53,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:53,406 INFO L93 Difference]: Finished difference Result 1177 states and 1762 transitions. [2023-03-31 00:58:53,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2023-03-31 00:58:53,413 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 5.933333333333334) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) Word has length 156 [2023-03-31 00:58:53,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:53,418 INFO L225 Difference]: With dead ends: 1177 [2023-03-31 00:58:53,418 INFO L226 Difference]: Without dead ends: 812 [2023-03-31 00:58:53,420 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=421, Invalid=1741, Unknown=0, NotChecked=0, Total=2162 [2023-03-31 00:58:53,421 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 1498 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 6798 mSolverCounterSat, 716 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1502 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 7514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 716 IncrementalHoareTripleChecker+Valid, 6798 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:53,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1502 Valid, 86 Invalid, 7514 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [716 Valid, 6798 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2023-03-31 00:58:53,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 812 states. [2023-03-31 00:58:53,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 812 to 450. [2023-03-31 00:58:53,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 450 states, 304 states have (on average 1.457236842105263) internal successors, (443), 309 states have internal predecessors, (443), 87 states have call successors, (87), 59 states have call predecessors, (87), 58 states have return successors, (86), 83 states have call predecessors, (86), 82 states have call successors, (86) [2023-03-31 00:58:53,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 450 states and 616 transitions. [2023-03-31 00:58:53,663 INFO L78 Accepts]: Start accepts. Automaton has 450 states and 616 transitions. Word has length 156 [2023-03-31 00:58:53,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:53,663 INFO L495 AbstractCegarLoop]: Abstraction has 450 states and 616 transitions. [2023-03-31 00:58:53,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 5.933333333333334) internal successors, (89), 9 states have internal predecessors, (89), 5 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 5 states have call successors, (25) [2023-03-31 00:58:53,663 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 616 transitions. [2023-03-31 00:58:53,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-03-31 00:58:53,665 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:53,666 INFO L195 NwaCegarLoop]: trace histogram [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] [2023-03-31 00:58:53,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 00:58:53,666 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:53,666 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:53,666 INFO L85 PathProgramCache]: Analyzing trace with hash -338000816, now seen corresponding path program 3 times [2023-03-31 00:58:53,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:53,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1353160613] [2023-03-31 00:58:53,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:53,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:54,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:54,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 00:58:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 00:58:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 00:58:54,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:58:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:54,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:58:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-03-31 00:58:54,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 00:58:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 00:58:54,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 00:58:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-03-31 00:58:54,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:54,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1353160613] [2023-03-31 00:58:54,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1353160613] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:54,613 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:54,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2023-03-31 00:58:54,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1601505105] [2023-03-31 00:58:54,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:54,613 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-03-31 00:58:54,613 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:54,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-03-31 00:58:54,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2023-03-31 00:58:54,614 INFO L87 Difference]: Start difference. First operand 450 states and 616 transitions. Second operand has 17 states, 14 states have (on average 6.142857142857143) internal successors, (86), 9 states have internal predecessors, (86), 6 states have call successors, (34), 10 states have call predecessors, (34), 5 states have return successors, (25), 4 states have call predecessors, (25), 6 states have call successors, (25)