/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_spec7_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 01:05:06,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 01:05:06,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 01:05:06,082 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 01:05:06,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 01:05:06,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 01:05:06,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 01:05:06,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 01:05:06,086 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 01:05:06,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 01:05:06,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 01:05:06,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 01:05:06,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 01:05:06,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 01:05:06,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 01:05:06,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 01:05:06,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 01:05:06,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 01:05:06,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 01:05:06,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 01:05:06,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 01:05:06,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 01:05:06,098 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 01:05:06,099 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 01:05:06,102 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 01:05:06,102 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 01:05:06,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 01:05:06,103 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 01:05:06,103 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 01:05:06,104 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 01:05:06,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 01:05:06,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 01:05:06,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 01:05:06,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 01:05:06,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 01:05:06,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 01:05:06,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 01:05:06,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 01:05:06,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 01:05:06,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 01:05:06,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 01:05:06,109 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 01:05:06,130 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 01:05:06,130 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 01:05:06,130 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 01:05:06,130 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 01:05:06,131 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 01:05:06,131 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 01:05:06,131 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 01:05:06,131 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 01:05:06,132 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 01:05:06,132 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 01:05:06,133 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:05:06,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 01:05:06,133 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 01:05:06,134 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 01:05:06,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 01:05:06,297 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 01:05:06,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 01:05:06,300 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 01:05:06,300 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 01:05:06,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec7_product29.cil.c [2023-03-31 01:05:07,357 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 01:05:07,578 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 01:05:07,578 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec7_product29.cil.c [2023-03-31 01:05:07,595 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/916912e6b/7a8f2c1173ca4a4c816956570cd6ee8e/FLAG1448e8bde [2023-03-31 01:05:07,606 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/916912e6b/7a8f2c1173ca4a4c816956570cd6ee8e [2023-03-31 01:05:07,608 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 01:05:07,610 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 01:05:07,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 01:05:07,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 01:05:07,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 01:05:07,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:05:07" (1/1) ... [2023-03-31 01:05:07,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@146378 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:07, skipping insertion in model container [2023-03-31 01:05:07,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 01:05:07" (1/1) ... [2023-03-31 01:05:07,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 01:05:07,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 01:05:07,898 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_spec7_product29.cil.c[16949,16962] [2023-03-31 01:05:08,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:05:08,074 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 01:05:08,109 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_spec7_product29.cil.c[16949,16962] [2023-03-31 01:05:08,152 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 01:05:08,168 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 01:05:08,173 INFO L208 MainTranslator]: Completed translation [2023-03-31 01:05:08,173 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08 WrapperNode [2023-03-31 01:05:08,174 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 01:05:08,174 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 01:05:08,174 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 01:05:08,174 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 01:05:08,182 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,182 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,245 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,271 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,276 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,287 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 01:05:08,288 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 01:05:08,288 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 01:05:08,288 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 01:05:08,288 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (1/1) ... [2023-03-31 01:05:08,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 01:05:08,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:05:08,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 01:05:08,333 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 01:05:08,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 01:05:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 01:05:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 01:05:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 01:05:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2023-03-31 01:05:08,357 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2023-03-31 01:05:08,358 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2023-03-31 01:05:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2023-03-31 01:05:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2023-03-31 01:05:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2023-03-31 01:05:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2023-03-31 01:05:08,359 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 01:05:08,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 01:05:08,361 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 01:05:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 01:05:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 01:05:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2023-03-31 01:05:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2023-03-31 01:05:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 01:05:08,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2023-03-31 01:05:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2023-03-31 01:05:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 01:05:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 01:05:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 01:05:08,363 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 01:05:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 01:05:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 01:05:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 01:05:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 01:05:08,364 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 01:05:08,407 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 01:05:08,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 01:05:08,409 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 01:05:08,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 01:05:08,411 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 01:05:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 01:05:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 01:05:08,411 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 01:05:08,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 01:05:08,415 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2023-03-31 01:05:08,416 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 01:05:08,417 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 01:05:08,418 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 01:05:08,419 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2023-03-31 01:05:08,420 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2023-03-31 01:05:08,421 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2023-03-31 01:05:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2023-03-31 01:05:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2023-03-31 01:05:08,422 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 01:05:08,423 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 01:05:08,424 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 01:05:08,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 01:05:08,702 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 01:05:08,705 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 01:05:09,565 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 01:05:09,579 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 01:05:09,579 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 01:05:09,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:05:09 BoogieIcfgContainer [2023-03-31 01:05:09,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 01:05:09,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 01:05:09,586 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 01:05:09,591 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 01:05:09,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 01:05:07" (1/3) ... [2023-03-31 01:05:09,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286a95fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:05:09, skipping insertion in model container [2023-03-31 01:05:09,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 01:05:08" (2/3) ... [2023-03-31 01:05:09,597 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286a95fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 01:05:09, skipping insertion in model container [2023-03-31 01:05:09,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 01:05:09" (3/3) ... [2023-03-31 01:05:09,600 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec7_product29.cil.c [2023-03-31 01:05:09,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 01:05:09,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 01:05:09,671 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 01:05:09,675 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;@3e5b6741, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 01:05:09,675 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 01:05:09,680 INFO L276 IsEmpty]: Start isEmpty. Operand has 598 states, 391 states have (on average 1.4526854219948848) internal successors, (568), 400 states have internal predecessors, (568), 121 states have call successors, (121), 76 states have call predecessors, (121), 76 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) [2023-03-31 01:05:09,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-03-31 01:05:09,699 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:09,699 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:09,700 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:09,703 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:09,703 INFO L85 PathProgramCache]: Analyzing trace with hash 2083427667, now seen corresponding path program 1 times [2023-03-31 01:05:09,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:09,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976990848] [2023-03-31 01:05:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:09,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:09,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:10,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:05:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 01:05:10,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 01:05:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 01:05:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:05:10,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2023-03-31 01:05:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:05:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2023-03-31 01:05:10,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:05:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:05:10,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-03-31 01:05:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:10,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:10,817 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 01:05:10,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:10,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976990848] [2023-03-31 01:05:10,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976990848] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:10,818 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:05:10,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-03-31 01:05:10,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1893129052] [2023-03-31 01:05:10,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:10,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-03-31 01:05:10,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:10,850 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-03-31 01:05:10,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-03-31 01:05:10,854 INFO L87 Difference]: Start difference. First operand has 598 states, 391 states have (on average 1.4526854219948848) internal successors, (568), 400 states have internal predecessors, (568), 121 states have call successors, (121), 76 states have call predecessors, (121), 76 states have return successors, (121), 120 states have call predecessors, (121), 121 states have call successors, (121) Second operand has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (45), 11 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:05:20,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:20,405 INFO L93 Difference]: Finished difference Result 1354 states and 2109 transitions. [2023-03-31 01:05:20,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-03-31 01:05:20,408 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (45), 11 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 191 [2023-03-31 01:05:20,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:20,428 INFO L225 Difference]: With dead ends: 1354 [2023-03-31 01:05:20,428 INFO L226 Difference]: Without dead ends: 914 [2023-03-31 01:05:20,434 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 485 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2023-03-31 01:05:20,436 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 1651 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 2239 mSolverCounterSat, 1015 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1696 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 3254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1015 IncrementalHoareTripleChecker+Valid, 2239 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:20,437 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1696 Valid, 132 Invalid, 3254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1015 Valid, 2239 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-03-31 01:05:20,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 914 states. [2023-03-31 01:05:20,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 914 to 541. [2023-03-31 01:05:20,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 541 states, 360 states have (on average 1.4694444444444446) internal successors, (529), 366 states have internal predecessors, (529), 109 states have call successors, (109), 75 states have call predecessors, (109), 71 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2023-03-31 01:05:20,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 742 transitions. [2023-03-31 01:05:20,732 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 742 transitions. Word has length 191 [2023-03-31 01:05:20,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:20,734 INFO L495 AbstractCegarLoop]: Abstraction has 541 states and 742 transitions. [2023-03-31 01:05:20,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 8.545454545454545) internal successors, (94), 2 states have internal predecessors, (94), 2 states have call successors, (45), 11 states have call predecessors, (45), 1 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:05:20,734 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 742 transitions. [2023-03-31 01:05:20,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2023-03-31 01:05:20,742 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:20,743 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:20,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-03-31 01:05:20,743 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:20,744 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:20,744 INFO L85 PathProgramCache]: Analyzing trace with hash 332209050, now seen corresponding path program 1 times [2023-03-31 01:05:20,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:20,745 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474791902] [2023-03-31 01:05:20,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:20,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:20,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:21,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:05:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:21,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 01:05:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:21,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 01:05:21,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 01:05:21,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:05:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:05:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:05:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:05:21,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:05:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:05:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2023-03-31 01:05:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:21,823 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-03-31 01:05:21,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:21,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [474791902] [2023-03-31 01:05:21,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [474791902] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:05:21,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [20413809] [2023-03-31 01:05:21,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:21,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:21,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:05:21,838 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:05:21,839 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 01:05:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:22,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 2471 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 01:05:22,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:05:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 01:05:22,299 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:05:22,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [20413809] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:22,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:05:22,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:05:22,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1872032038] [2023-03-31 01:05:22,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:22,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:05:22,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:22,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:05:22,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:05:22,301 INFO L87 Difference]: Start difference. First operand 541 states and 742 transitions. Second operand has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:05:22,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:22,576 INFO L93 Difference]: Finished difference Result 820 states and 1106 transitions. [2023-03-31 01:05:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:05:22,577 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 192 [2023-03-31 01:05:22,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:22,580 INFO L225 Difference]: With dead ends: 820 [2023-03-31 01:05:22,580 INFO L226 Difference]: Without dead ends: 544 [2023-03-31 01:05:22,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:05:22,582 INFO L413 NwaCegarLoop]: 740 mSDtfsCounter, 1 mSDsluCounter, 738 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 1478 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:22,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 1478 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:05:22,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2023-03-31 01:05:22,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 543. [2023-03-31 01:05:22,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 543 states, 362 states have (on average 1.4668508287292819) internal successors, (531), 368 states have internal predecessors, (531), 109 states have call successors, (109), 75 states have call predecessors, (109), 71 states have return successors, (104), 103 states have call predecessors, (104), 104 states have call successors, (104) [2023-03-31 01:05:22,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 744 transitions. [2023-03-31 01:05:22,864 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 744 transitions. Word has length 192 [2023-03-31 01:05:22,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:22,864 INFO L495 AbstractCegarLoop]: Abstraction has 543 states and 744 transitions. [2023-03-31 01:05:22,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 31.666666666666668) internal successors, (95), 3 states have internal predecessors, (95), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:05:22,864 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 744 transitions. [2023-03-31 01:05:22,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2023-03-31 01:05:22,867 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:22,867 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:22,876 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-03-31 01:05:23,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:23,075 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:23,076 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:23,076 INFO L85 PathProgramCache]: Analyzing trace with hash -502772410, now seen corresponding path program 1 times [2023-03-31 01:05:23,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:23,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1000272759] [2023-03-31 01:05:23,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:23,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:23,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:23,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:23,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:23,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:05:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 01:05:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 01:05:23,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 01:05:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 01:05:23,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2023-03-31 01:05:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2023-03-31 01:05:23,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2023-03-31 01:05:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2023-03-31 01:05:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-03-31 01:05:23,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2023-03-31 01:05:23,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:23,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:23,979 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:05:23,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1000272759] [2023-03-31 01:05:23,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1000272759] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:05:23,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124406436] [2023-03-31 01:05:23,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:23,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:23,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:05:23,981 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:05:24,008 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 01:05:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:24,381 INFO L262 TraceCheckSpWp]: Trace formula consists of 2483 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 01:05:24,388 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:05:24,423 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2023-03-31 01:05:24,424 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:05:24,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124406436] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:24,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:05:24,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [18] total 19 [2023-03-31 01:05:24,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554407749] [2023-03-31 01:05:24,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:24,425 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 01:05:24,425 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:24,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 01:05:24,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:05:24,426 INFO L87 Difference]: Start difference. First operand 543 states and 744 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:05:24,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:24,689 INFO L93 Difference]: Finished difference Result 1062 states and 1486 transitions. [2023-03-31 01:05:24,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 01:05:24,689 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 198 [2023-03-31 01:05:24,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:24,692 INFO L225 Difference]: With dead ends: 1062 [2023-03-31 01:05:24,692 INFO L226 Difference]: Without dead ends: 584 [2023-03-31 01:05:24,693 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:05:24,694 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 52 mSDsluCounter, 735 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 1482 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:24,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 1482 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 01:05:24,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2023-03-31 01:05:24,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 583. [2023-03-31 01:05:24,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 583 states, 394 states have (on average 1.482233502538071) internal successors, (584), 400 states have internal predecessors, (584), 117 states have call successors, (117), 75 states have call predecessors, (117), 71 states have return successors, (112), 111 states have call predecessors, (112), 112 states have call successors, (112) [2023-03-31 01:05:24,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 583 states to 583 states and 813 transitions. [2023-03-31 01:05:24,922 INFO L78 Accepts]: Start accepts. Automaton has 583 states and 813 transitions. Word has length 198 [2023-03-31 01:05:24,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:24,923 INFO L495 AbstractCegarLoop]: Abstraction has 583 states and 813 transitions. [2023-03-31 01:05:24,923 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 3 states have internal predecessors, (101), 2 states have call successors, (45), 2 states have call predecessors, (45), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-03-31 01:05:24,923 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 813 transitions. [2023-03-31 01:05:24,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-03-31 01:05:24,925 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:24,925 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:24,933 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-03-31 01:05:25,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-03-31 01:05:25,133 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:25,134 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:25,134 INFO L85 PathProgramCache]: Analyzing trace with hash -286599393, now seen corresponding path program 1 times [2023-03-31 01:05:25,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:25,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1605608191] [2023-03-31 01:05:25,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:25,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:25,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:25,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:25,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:25,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2023-03-31 01:05:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 01:05:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2023-03-31 01:05:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 01:05:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 01:05:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-03-31 01:05:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2023-03-31 01:05:25,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2023-03-31 01:05:25,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2023-03-31 01:05:25,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2023-03-31 01:05:25,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2023-03-31 01:05:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:25,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:25,992 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:05:25,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:25,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1605608191] [2023-03-31 01:05:25,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1605608191] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:05:25,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [486328827] [2023-03-31 01:05:25,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:25,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:25,996 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:05:26,011 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:05:26,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 01:05:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:26,434 INFO L262 TraceCheckSpWp]: Trace formula consists of 2488 conjuncts, 8 conjunts are in the unsatisfiable core [2023-03-31 01:05:26,441 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:05:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:05:26,619 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:05:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [486328827] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:26,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:05:26,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 24 [2023-03-31 01:05:26,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421781233] [2023-03-31 01:05:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:26,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 01:05:26,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:26,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 01:05:26,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=486, Unknown=0, NotChecked=0, Total=552 [2023-03-31 01:05:26,621 INFO L87 Difference]: Start difference. First operand 583 states and 813 transitions. Second operand has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:05:27,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:27,477 INFO L93 Difference]: Finished difference Result 1144 states and 1606 transitions. [2023-03-31 01:05:27,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-03-31 01:05:27,477 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 199 [2023-03-31 01:05:27,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:27,481 INFO L225 Difference]: With dead ends: 1144 [2023-03-31 01:05:27,481 INFO L226 Difference]: Without dead ends: 597 [2023-03-31 01:05:27,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=81, Invalid=621, Unknown=0, NotChecked=0, Total=702 [2023-03-31 01:05:27,483 INFO L413 NwaCegarLoop]: 747 mSDtfsCounter, 697 mSDsluCounter, 3313 mSDsCounter, 0 mSdLazyCounter, 1230 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 705 SdHoareTripleChecker+Valid, 4060 SdHoareTripleChecker+Invalid, 1232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1230 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:27,484 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [705 Valid, 4060 Invalid, 1232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1230 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-03-31 01:05:27,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2023-03-31 01:05:27,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2023-03-31 01:05:27,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 597 states, 405 states have (on average 1.4839506172839507) internal successors, (601), 412 states have internal predecessors, (601), 117 states have call successors, (117), 77 states have call predecessors, (117), 74 states have return successors, (113), 111 states have call predecessors, (113), 112 states have call successors, (113) [2023-03-31 01:05:27,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 831 transitions. [2023-03-31 01:05:27,804 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 831 transitions. Word has length 199 [2023-03-31 01:05:27,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:27,804 INFO L495 AbstractCegarLoop]: Abstraction has 597 states and 831 transitions. [2023-03-31 01:05:27,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 16.142857142857142) internal successors, (113), 9 states have internal predecessors, (113), 6 states have call successors, (45), 3 states have call predecessors, (45), 6 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:05:27,804 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 831 transitions. [2023-03-31 01:05:27,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2023-03-31 01:05:27,806 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:27,807 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:27,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-03-31 01:05:28,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:28,026 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:28,026 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:28,026 INFO L85 PathProgramCache]: Analyzing trace with hash -431921959, now seen corresponding path program 1 times [2023-03-31 01:05:28,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:28,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833969351] [2023-03-31 01:05:28,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:28,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:28,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:28,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:05:28,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-03-31 01:05:28,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:28,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 01:05:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2023-03-31 01:05:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 01:05:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 01:05:28,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2023-03-31 01:05:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2023-03-31 01:05:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2023-03-31 01:05:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-03-31 01:05:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2023-03-31 01:05:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2023-03-31 01:05:28,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:28,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:28,868 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 01:05:28,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:28,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833969351] [2023-03-31 01:05:28,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833969351] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 01:05:28,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122760515] [2023-03-31 01:05:28,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:28,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:28,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 01:05:28,875 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 01:05:28,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 01:05:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:29,289 INFO L262 TraceCheckSpWp]: Trace formula consists of 2489 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 01:05:29,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 01:05:29,402 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-03-31 01:05:29,402 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 01:05:29,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122760515] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:29,402 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 01:05:29,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [19] total 23 [2023-03-31 01:05:29,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949085230] [2023-03-31 01:05:29,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:29,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 01:05:29,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:29,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 01:05:29,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=444, Unknown=0, NotChecked=0, Total=506 [2023-03-31 01:05:29,404 INFO L87 Difference]: Start difference. First operand 597 states and 831 transitions. Second operand has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2023-03-31 01:05:30,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:30,060 INFO L93 Difference]: Finished difference Result 1145 states and 1610 transitions. [2023-03-31 01:05:30,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 01:05:30,061 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) Word has length 200 [2023-03-31 01:05:30,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:30,064 INFO L225 Difference]: With dead ends: 1145 [2023-03-31 01:05:30,064 INFO L226 Difference]: Without dead ends: 599 [2023-03-31 01:05:30,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=72, Invalid=528, Unknown=0, NotChecked=0, Total=600 [2023-03-31 01:05:30,066 INFO L413 NwaCegarLoop]: 746 mSDtfsCounter, 698 mSDsluCounter, 2120 mSDsCounter, 0 mSdLazyCounter, 815 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 706 SdHoareTripleChecker+Valid, 2866 SdHoareTripleChecker+Invalid, 816 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 815 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:30,066 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [706 Valid, 2866 Invalid, 816 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 815 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 01:05:30,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 599 states. [2023-03-31 01:05:30,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 599 to 599. [2023-03-31 01:05:30,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 599 states, 406 states have (on average 1.4827586206896552) internal successors, (602), 414 states have internal predecessors, (602), 117 states have call successors, (117), 77 states have call predecessors, (117), 75 states have return successors, (115), 111 states have call predecessors, (115), 112 states have call successors, (115) [2023-03-31 01:05:30,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 834 transitions. [2023-03-31 01:05:30,292 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 834 transitions. Word has length 200 [2023-03-31 01:05:30,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:30,292 INFO L495 AbstractCegarLoop]: Abstraction has 599 states and 834 transitions. [2023-03-31 01:05:30,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.0) internal successors, (114), 7 states have internal predecessors, (114), 4 states have call successors, (45), 3 states have call predecessors, (45), 5 states have return successors, (31), 5 states have call predecessors, (31), 4 states have call successors, (31) [2023-03-31 01:05:30,292 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 834 transitions. [2023-03-31 01:05:30,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-03-31 01:05:30,294 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:30,294 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:30,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 01:05:30,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 01:05:30,505 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:30,505 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:30,505 INFO L85 PathProgramCache]: Analyzing trace with hash -26749217, now seen corresponding path program 1 times [2023-03-31 01:05:30,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:30,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33962727] [2023-03-31 01:05:30,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:30,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:31,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:31,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:31,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:05:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:05:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 01:05:31,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2023-03-31 01:05:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 01:05:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 01:05:31,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2023-03-31 01:05:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-03-31 01:05:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-03-31 01:05:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2023-03-31 01:05:31,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2023-03-31 01:05:31,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2023-03-31 01:05:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:31,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-03-31 01:05:31,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:31,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33962727] [2023-03-31 01:05:31,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [33962727] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:31,337 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:05:31,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:05:31,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199811939] [2023-03-31 01:05:31,337 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:31,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:05:31,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:31,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:05:31,339 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:05:31,339 INFO L87 Difference]: Start difference. First operand 599 states and 834 transitions. Second operand has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:05:43,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:43,091 INFO L93 Difference]: Finished difference Result 1612 states and 2421 transitions. [2023-03-31 01:05:43,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2023-03-31 01:05:43,092 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) Word has length 201 [2023-03-31 01:05:43,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:43,096 INFO L225 Difference]: With dead ends: 1612 [2023-03-31 01:05:43,097 INFO L226 Difference]: Without dead ends: 1072 [2023-03-31 01:05:43,098 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2023-03-31 01:05:43,099 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 3875 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 7935 mSolverCounterSat, 1869 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3878 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 9804 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1869 IncrementalHoareTripleChecker+Valid, 7935 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.3s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:43,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3878 Valid, 79 Invalid, 9804 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1869 Valid, 7935 Invalid, 0 Unknown, 0 Unchecked, 8.3s Time] [2023-03-31 01:05:43,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1072 states. [2023-03-31 01:05:43,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1072 to 609. [2023-03-31 01:05:43,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 415 states have (on average 1.4795180722891565) internal successors, (614), 422 states have internal predecessors, (614), 117 states have call successors, (117), 79 states have call predecessors, (117), 76 states have return successors, (114), 111 states have call predecessors, (114), 112 states have call successors, (114) [2023-03-31 01:05:43,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 845 transitions. [2023-03-31 01:05:43,366 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 845 transitions. Word has length 201 [2023-03-31 01:05:43,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:43,366 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 845 transitions. [2023-03-31 01:05:43,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 7.2) internal successors, (108), 9 states have internal predecessors, (108), 6 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31) [2023-03-31 01:05:43,366 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 845 transitions. [2023-03-31 01:05:43,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-03-31 01:05:43,368 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:43,369 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:43,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 01:05:43,369 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:43,369 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:43,369 INFO L85 PathProgramCache]: Analyzing trace with hash 681114387, now seen corresponding path program 2 times [2023-03-31 01:05:43,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:43,369 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876024561] [2023-03-31 01:05:43,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:43,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:43,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:43,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:43,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:43,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:43,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:44,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:05:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:05:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:05:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2023-03-31 01:05:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:44,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 01:05:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 01:05:44,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 01:05:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2023-03-31 01:05:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2023-03-31 01:05:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2023-03-31 01:05:44,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2023-03-31 01:05:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2023-03-31 01:05:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2023-03-31 01:05:44,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:44,203 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-03-31 01:05:44,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:44,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876024561] [2023-03-31 01:05:44,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1876024561] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:44,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:05:44,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-03-31 01:05:44,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669015683] [2023-03-31 01:05:44,204 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:44,204 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-03-31 01:05:44,204 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:44,205 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-03-31 01:05:44,205 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2023-03-31 01:05:44,205 INFO L87 Difference]: Start difference. First operand 609 states and 845 transitions. Second operand has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-03-31 01:05:56,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 01:05:56,863 INFO L93 Difference]: Finished difference Result 1614 states and 2426 transitions. [2023-03-31 01:05:56,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-03-31 01:05:56,865 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) Word has length 202 [2023-03-31 01:05:56,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 01:05:56,869 INFO L225 Difference]: With dead ends: 1614 [2023-03-31 01:05:56,870 INFO L226 Difference]: Without dead ends: 1085 [2023-03-31 01:05:56,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 593 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=549, Invalid=2207, Unknown=0, NotChecked=0, Total=2756 [2023-03-31 01:05:56,872 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 2832 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 9414 mSolverCounterSat, 1378 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2835 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 10792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1378 IncrementalHoareTripleChecker+Valid, 9414 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2023-03-31 01:05:56,872 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2835 Valid, 86 Invalid, 10792 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1378 Valid, 9414 Invalid, 0 Unknown, 0 Unchecked, 8.9s Time] [2023-03-31 01:05:56,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1085 states. [2023-03-31 01:05:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1085 to 614. [2023-03-31 01:05:57,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 417 states have (on average 1.4772182254196642) internal successors, (616), 425 states have internal predecessors, (616), 118 states have call successors, (118), 79 states have call predecessors, (118), 78 states have return successors, (117), 113 states have call predecessors, (117), 113 states have call successors, (117) [2023-03-31 01:05:57,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 851 transitions. [2023-03-31 01:05:57,156 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 851 transitions. Word has length 202 [2023-03-31 01:05:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 01:05:57,156 INFO L495 AbstractCegarLoop]: Abstraction has 614 states and 851 transitions. [2023-03-31 01:05:57,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 16 states have (on average 7.0) internal successors, (112), 9 states have internal predecessors, (112), 5 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 5 states have call successors, (31) [2023-03-31 01:05:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 851 transitions. [2023-03-31 01:05:57,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2023-03-31 01:05:57,158 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 01:05:57,158 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 01:05:57,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-03-31 01:05:57,159 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 01:05:57,159 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 01:05:57,159 INFO L85 PathProgramCache]: Analyzing trace with hash 957887339, now seen corresponding path program 3 times [2023-03-31 01:05:57,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 01:05:57,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606381732] [2023-03-31 01:05:57,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 01:05:57,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 01:05:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 01:05:57,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 01:05:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 01:05:57,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 01:05:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-03-31 01:05:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-03-31 01:05:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:05:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2023-03-31 01:05:57,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 01:05:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 01:05:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 01:05:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 01:05:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 01:05:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2023-03-31 01:05:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 01:05:57,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2023-03-31 01:05:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2023-03-31 01:05:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2023-03-31 01:05:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2023-03-31 01:05:57,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-03-31 01:05:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 01:05:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 01:05:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2023-03-31 01:05:57,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 01:05:57,955 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606381732] [2023-03-31 01:05:57,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606381732] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 01:05:57,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 01:05:57,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2023-03-31 01:05:57,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092558896] [2023-03-31 01:05:57,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 01:05:57,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-03-31 01:05:57,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 01:05:57,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-03-31 01:05:57,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2023-03-31 01:05:57,956 INFO L87 Difference]: Start difference. First operand 614 states and 851 transitions. Second operand has 18 states, 15 states have (on average 7.266666666666667) internal successors, (109), 9 states have internal predecessors, (109), 6 states have call successors, (45), 11 states have call predecessors, (45), 5 states have return successors, (31), 4 states have call predecessors, (31), 6 states have call successors, (31)