/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -tc ../../../trunk/examples/toolchains/AutomizerC.xml -i ../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-f954360 [2023-03-31 00:57:54,122 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-03-31 00:57:54,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-03-31 00:57:54,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-03-31 00:57:54,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-03-31 00:57:54,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-03-31 00:57:54,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-03-31 00:57:54,157 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-03-31 00:57:54,158 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-03-31 00:57:54,159 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-03-31 00:57:54,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-03-31 00:57:54,160 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-03-31 00:57:54,160 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-03-31 00:57:54,161 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-03-31 00:57:54,161 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-03-31 00:57:54,162 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-03-31 00:57:54,163 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-03-31 00:57:54,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-03-31 00:57:54,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-03-31 00:57:54,185 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-03-31 00:57:54,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-03-31 00:57:54,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-03-31 00:57:54,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-03-31 00:57:54,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-03-31 00:57:54,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-03-31 00:57:54,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-03-31 00:57:54,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-03-31 00:57:54,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-03-31 00:57:54,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-03-31 00:57:54,192 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-03-31 00:57:54,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-03-31 00:57:54,193 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-03-31 00:57:54,194 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-03-31 00:57:54,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-03-31 00:57:54,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-03-31 00:57:54,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-03-31 00:57:54,195 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-03-31 00:57:54,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-03-31 00:57:54,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-03-31 00:57:54,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-03-31 00:57:54,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-03-31 00:57:54,205 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2023-03-31 00:57:54,223 INFO L113 SettingsManager]: Loading preferences was successful [2023-03-31 00:57:54,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-03-31 00:57:54,224 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-03-31 00:57:54,224 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-03-31 00:57:54,225 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-03-31 00:57:54,226 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-03-31 00:57:54,226 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-03-31 00:57:54,226 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-03-31 00:57:54,226 INFO L138 SettingsManager]: * Use SBE=true [2023-03-31 00:57:54,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-03-31 00:57:54,227 INFO L138 SettingsManager]: * sizeof long=4 [2023-03-31 00:57:54,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-03-31 00:57:54,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-03-31 00:57:54,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-03-31 00:57:54,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-03-31 00:57:54,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * sizeof long double=12 [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Use constant arrays=true [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-03-31 00:57:54,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:57:54,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-03-31 00:57:54,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-03-31 00:57:54,229 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-03-31 00:57:54,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-03-31 00:57:54,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-03-31 00:57:54,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-03-31 00:57:54,422 INFO L271 PluginConnector]: Initializing CDTParser... [2023-03-31 00:57:54,422 INFO L275 PluginConnector]: CDTParser initialized [2023-03-31 00:57:54,423 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2023-03-31 00:57:55,515 INFO L500 CDTParser]: Created temporary CDT project at NULL [2023-03-31 00:57:55,726 INFO L351 CDTParser]: Found 1 translation units. [2023-03-31 00:57:55,727 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c [2023-03-31 00:57:55,739 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032bf213f/c96fedea66ec4d3888d9f20dd6e0a765/FLAG2433690ec [2023-03-31 00:57:56,056 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/032bf213f/c96fedea66ec4d3888d9f20dd6e0a765 [2023-03-31 00:57:56,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-03-31 00:57:56,059 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2023-03-31 00:57:56,059 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-03-31 00:57:56,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-03-31 00:57:56,062 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-03-31 00:57:56,062 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,063 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3285aca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56, skipping insertion in model container [2023-03-31 00:57:56,063 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-03-31 00:57:56,113 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-03-31 00:57:56,412 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2023-03-31 00:57:56,515 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:57:56,529 INFO L203 MainTranslator]: Completed pre-run [2023-03-31 00:57:56,569 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/email_spec11_product36.cil.c[27504,27517] [2023-03-31 00:57:56,589 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-03-31 00:57:56,606 WARN L667 CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler. [2023-03-31 00:57:56,611 INFO L208 MainTranslator]: Completed translation [2023-03-31 00:57:56,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56 WrapperNode [2023-03-31 00:57:56,612 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-03-31 00:57:56,612 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-03-31 00:57:56,613 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-03-31 00:57:56,613 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-03-31 00:57:56,620 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,621 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,642 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,704 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,710 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,724 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-03-31 00:57:56,725 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-03-31 00:57:56,725 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-03-31 00:57:56,725 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-03-31 00:57:56,725 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (1/1) ... [2023-03-31 00:57:56,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-03-31 00:57:56,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:56,757 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-03-31 00:57:56,759 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-03-31 00:57:56,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2023-03-31 00:57:56,798 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2023-03-31 00:57:56,799 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2023-03-31 00:57:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2023-03-31 00:57:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2023-03-31 00:57:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2023-03-31 00:57:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2023-03-31 00:57:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2023-03-31 00:57:56,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2023-03-31 00:57:56,801 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2023-03-31 00:57:56,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2023-03-31 00:57:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2023-03-31 00:57:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2023-03-31 00:57:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2023-03-31 00:57:56,803 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2023-03-31 00:57:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2023-03-31 00:57:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2023-03-31 00:57:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2023-03-31 00:57:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2023-03-31 00:57:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2023-03-31 00:57:56,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2023-03-31 00:57:56,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2023-03-31 00:57:56,806 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2023-03-31 00:57:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2023-03-31 00:57:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2023-03-31 00:57:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2023-03-31 00:57:56,807 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2023-03-31 00:57:56,808 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2023-03-31 00:57:56,809 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2023-03-31 00:57:56,810 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2023-03-31 00:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2023-03-31 00:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2023-03-31 00:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2023-03-31 00:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2023-03-31 00:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2023-03-31 00:57:56,811 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2023-03-31 00:57:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2023-03-31 00:57:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2023-03-31 00:57:56,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2023-03-31 00:57:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2023-03-31 00:57:56,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-03-31 00:57:56,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2023-03-31 00:57:56,821 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2023-03-31 00:57:56,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure test [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure main [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2023-03-31 00:57:56,823 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2023-03-31 00:57:56,824 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2023-03-31 00:57:56,825 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2023-03-31 00:57:56,826 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2023-03-31 00:57:56,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2023-03-31 00:57:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-03-31 00:57:56,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-03-31 00:57:57,105 INFO L236 CfgBuilder]: Building ICFG [2023-03-31 00:57:57,111 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-03-31 00:57:57,900 INFO L277 CfgBuilder]: Performing block encoding [2023-03-31 00:57:57,915 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-03-31 00:57:57,915 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-03-31 00:57:57,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:57:57 BoogieIcfgContainer [2023-03-31 00:57:57,920 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-03-31 00:57:57,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-03-31 00:57:57,922 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-03-31 00:57:57,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-03-31 00:57:57,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 31.03 12:57:56" (1/3) ... [2023-03-31 00:57:57,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205c30cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:57:57, skipping insertion in model container [2023-03-31 00:57:57,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.03 12:57:56" (2/3) ... [2023-03-31 00:57:57,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@205c30cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 31.03 12:57:57, skipping insertion in model container [2023-03-31 00:57:57,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.03 12:57:57" (3/3) ... [2023-03-31 00:57:57,926 INFO L112 eAbstractionObserver]: Analyzing ICFG email_spec11_product36.cil.c [2023-03-31 00:57:57,938 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-03-31 00:57:57,939 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-03-31 00:57:57,993 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-03-31 00:57:57,998 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;@34456aa3, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-03-31 00:57:57,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-03-31 00:57:58,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 353 states, 231 states have (on average 1.4458874458874458) internal successors, (334), 238 states have internal predecessors, (334), 68 states have call successors, (68), 50 states have call predecessors, (68), 50 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) [2023-03-31 00:57:58,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-03-31 00:57:58,024 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:58,024 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:58,025 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:57:58,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:57:58,028 INFO L85 PathProgramCache]: Analyzing trace with hash 849343215, now seen corresponding path program 1 times [2023-03-31 00:57:58,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:57:58,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631252215] [2023-03-31 00:57:58,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:58,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:57:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:57:59,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:57:59,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:57:59,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:57:59,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:59,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:57:59,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:59,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-31 00:57:59,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:59,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2023-03-31 00:57:59,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:57:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-03-31 00:57:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:57:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 00:57:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:57:59,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-03-31 00:57:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:57:59,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:57:59,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:57:59,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,365 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 00:57:59,366 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:57:59,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631252215] [2023-03-31 00:57:59,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631252215] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:57:59,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1211739724] [2023-03-31 00:57:59,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:57:59,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:57:59,367 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:57:59,369 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:57:59,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-03-31 00:57:59,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:57:59,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 1853 conjuncts, 1 conjunts are in the unsatisfiable core [2023-03-31 00:57:59,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:57:59,748 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-31 00:57:59,749 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:57:59,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1211739724] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:57:59,749 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:57:59,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2023-03-31 00:57:59,751 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633727142] [2023-03-31 00:57:59,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:57:59,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-03-31 00:57:59,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:57:59,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-03-31 00:57:59,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-03-31 00:57:59,776 INFO L87 Difference]: Start difference. First operand has 353 states, 231 states have (on average 1.4458874458874458) internal successors, (334), 238 states have internal predecessors, (334), 68 states have call successors, (68), 50 states have call predecessors, (68), 50 states have return successors, (68), 67 states have call predecessors, (68), 68 states have call successors, (68) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:57:59,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:57:59,831 INFO L93 Difference]: Finished difference Result 549 states and 731 transitions. [2023-03-31 00:57:59,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-03-31 00:57:59,833 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 136 [2023-03-31 00:57:59,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:57:59,842 INFO L225 Difference]: With dead ends: 549 [2023-03-31 00:57:59,842 INFO L226 Difference]: Without dead ends: 334 [2023-03-31 00:57:59,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-03-31 00:57:59,851 INFO L413 NwaCegarLoop]: 457 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:57:59,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:57:59,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2023-03-31 00:57:59,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 334. [2023-03-31 00:57:59,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 334 states, 220 states have (on average 1.440909090909091) internal successors, (317), 224 states have internal predecessors, (317), 67 states have call successors, (67), 50 states have call predecessors, (67), 46 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-03-31 00:57:59,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 446 transitions. [2023-03-31 00:57:59,904 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 446 transitions. Word has length 136 [2023-03-31 00:57:59,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:57:59,905 INFO L495 AbstractCegarLoop]: Abstraction has 334 states and 446 transitions. [2023-03-31 00:57:59,906 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:57:59,906 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 446 transitions. [2023-03-31 00:57:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-03-31 00:57:59,908 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:57:59,908 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:57:59,917 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:00,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-03-31 00:58:00,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:00,117 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:00,117 INFO L85 PathProgramCache]: Analyzing trace with hash 1030079380, now seen corresponding path program 1 times [2023-03-31 00:58:00,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:00,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213142009] [2023-03-31 00:58:00,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:00,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:00,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:00,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-31 00:58:00,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-03-31 00:58:00,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:00,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:00,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-31 00:58:01,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-03-31 00:58:01,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 00:58:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:58:01,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 00:58:01,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:01,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:01,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2023-03-31 00:58:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,025 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-03-31 00:58:01,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:01,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213142009] [2023-03-31 00:58:01,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213142009] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:01,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60007554] [2023-03-31 00:58:01,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:01,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:01,029 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:01,030 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:01,033 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-03-31 00:58:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:01,367 INFO L262 TraceCheckSpWp]: Trace formula consists of 1854 conjuncts, 2 conjunts are in the unsatisfiable core [2023-03-31 00:58:01,372 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-03-31 00:58:01,396 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:01,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60007554] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:01,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:01,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 14 [2023-03-31 00:58:01,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322541283] [2023-03-31 00:58:01,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:01,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-03-31 00:58:01,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:01,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-03-31 00:58:01,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-03-31 00:58:01,398 INFO L87 Difference]: Start difference. First operand 334 states and 446 transitions. Second operand has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:01,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:01,424 INFO L93 Difference]: Finished difference Result 532 states and 695 transitions. [2023-03-31 00:58:01,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-03-31 00:58:01,425 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 137 [2023-03-31 00:58:01,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:01,431 INFO L225 Difference]: With dead ends: 532 [2023-03-31 00:58:01,431 INFO L226 Difference]: Without dead ends: 337 [2023-03-31 00:58:01,433 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2023-03-31 00:58:01,434 INFO L413 NwaCegarLoop]: 444 mSDtfsCounter, 1 mSDsluCounter, 442 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 886 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:01,434 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 886 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-03-31 00:58:01,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2023-03-31 00:58:01,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 336. [2023-03-31 00:58:01,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 222 states have (on average 1.436936936936937) internal successors, (319), 226 states have internal predecessors, (319), 67 states have call successors, (67), 50 states have call predecessors, (67), 46 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-03-31 00:58:01,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 448 transitions. [2023-03-31 00:58:01,461 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 448 transitions. Word has length 137 [2023-03-31 00:58:01,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:01,461 INFO L495 AbstractCegarLoop]: Abstraction has 336 states and 448 transitions. [2023-03-31 00:58:01,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 2 states have call successors, (34), 2 states have call predecessors, (34), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:01,462 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 448 transitions. [2023-03-31 00:58:01,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-03-31 00:58:01,463 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:01,463 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:01,473 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-03-31 00:58:01,672 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,SelfDestructingSolverStorable1 [2023-03-31 00:58:01,673 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:01,673 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:01,673 INFO L85 PathProgramCache]: Analyzing trace with hash 235316352, now seen corresponding path program 1 times [2023-03-31 00:58:01,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:01,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499400834] [2023-03-31 00:58:01,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:01,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:02,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:02,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:02,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:02,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:02,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:02,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-03-31 00:58:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:02,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-03-31 00:58:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:02,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:02,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2023-03-31 00:58:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-03-31 00:58:02,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-03-31 00:58:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:02,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:58:02,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2023-03-31 00:58:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:58:02,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,433 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 00:58:02,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:02,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499400834] [2023-03-31 00:58:02,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499400834] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:02,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1156653155] [2023-03-31 00:58:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:02,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:02,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:02,434 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:02,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-03-31 00:58:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:02,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 1865 conjuncts, 6 conjunts are in the unsatisfiable core [2023-03-31 00:58:02,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-03-31 00:58:02,900 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-03-31 00:58:02,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1156653155] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:02,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-03-31 00:58:02,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [13] total 17 [2023-03-31 00:58:02,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891191461] [2023-03-31 00:58:02,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:02,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-03-31 00:58:02,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:02,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-03-31 00:58:02,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2023-03-31 00:58:02,901 INFO L87 Difference]: Start difference. First operand 336 states and 448 transitions. Second operand has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:03,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:03,278 INFO L93 Difference]: Finished difference Result 651 states and 876 transitions. [2023-03-31 00:58:03,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-03-31 00:58:03,279 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 142 [2023-03-31 00:58:03,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:03,281 INFO L225 Difference]: With dead ends: 651 [2023-03-31 00:58:03,281 INFO L226 Difference]: Without dead ends: 344 [2023-03-31 00:58:03,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2023-03-31 00:58:03,283 INFO L413 NwaCegarLoop]: 445 mSDtfsCounter, 414 mSDsluCounter, 1310 mSDsCounter, 0 mSdLazyCounter, 503 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 419 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 503 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:03,283 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [419 Valid, 1755 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 503 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-03-31 00:58:03,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2023-03-31 00:58:03,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 344. [2023-03-31 00:58:03,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 228 states have (on average 1.4385964912280702) internal successors, (328), 233 states have internal predecessors, (328), 67 states have call successors, (67), 51 states have call predecessors, (67), 48 states have return successors, (63), 61 states have call predecessors, (63), 62 states have call successors, (63) [2023-03-31 00:58:03,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 458 transitions. [2023-03-31 00:58:03,321 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 458 transitions. Word has length 142 [2023-03-31 00:58:03,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:03,322 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 458 transitions. [2023-03-31 00:58:03,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 13.666666666666666) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 3 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:03,322 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2023-03-31 00:58:03,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-03-31 00:58:03,323 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:03,323 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:03,331 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 00:58:03,531 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:03,531 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:03,531 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:03,531 INFO L85 PathProgramCache]: Analyzing trace with hash -9910131, now seen corresponding path program 1 times [2023-03-31 00:58:03,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:03,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1204524014] [2023-03-31 00:58:03,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:03,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:04,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:04,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:04,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:04,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:04,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:04,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2023-03-31 00:58:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:04,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2023-03-31 00:58:04,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 00:58:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2023-03-31 00:58:04,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2023-03-31 00:58:04,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:58:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2023-03-31 00:58:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:58:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 00:58:04,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:04,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1204524014] [2023-03-31 00:58:04,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1204524014] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:04,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:04,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-03-31 00:58:04,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019289505] [2023-03-31 00:58:04,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:04,231 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-31 00:58:04,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:04,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-31 00:58:04,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-03-31 00:58:04,232 INFO L87 Difference]: Start difference. First operand 344 states and 458 transitions. Second operand has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:10,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:10,983 INFO L93 Difference]: Finished difference Result 839 states and 1195 transitions. [2023-03-31 00:58:10,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 00:58:10,984 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 143 [2023-03-31 00:58:10,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:10,989 INFO L225 Difference]: With dead ends: 839 [2023-03-31 00:58:10,989 INFO L226 Difference]: Without dead ends: 540 [2023-03-31 00:58:10,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2023-03-31 00:58:10,993 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 1436 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 3361 mSolverCounterSat, 662 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 4023 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 662 IncrementalHoareTripleChecker+Valid, 3361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:10,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 49 Invalid, 4023 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [662 Valid, 3361 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2023-03-31 00:58:10,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2023-03-31 00:58:11,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 348. [2023-03-31 00:58:11,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 232 states have (on average 1.4353448275862069) internal successors, (333), 236 states have internal predecessors, (333), 67 states have call successors, (67), 52 states have call predecessors, (67), 48 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-03-31 00:58:11,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 462 transitions. [2023-03-31 00:58:11,201 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 462 transitions. Word has length 143 [2023-03-31 00:58:11,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:11,202 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 462 transitions. [2023-03-31 00:58:11,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.363636363636363) internal successors, (81), 7 states have internal predecessors, (81), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:11,202 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 462 transitions. [2023-03-31 00:58:11,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2023-03-31 00:58:11,203 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:11,205 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:11,205 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-03-31 00:58:11,217 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:11,217 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash 862820210, now seen corresponding path program 2 times [2023-03-31 00:58:11,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:11,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283483315] [2023-03-31 00:58:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:11,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:11,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:11,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2023-03-31 00:58:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2023-03-31 00:58:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 00:58:11,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2023-03-31 00:58:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2023-03-31 00:58:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:58:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 00:58:11,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:11,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:11,920 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 00:58:11,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:11,920 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283483315] [2023-03-31 00:58:11,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283483315] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:11,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:11,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-03-31 00:58:11,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255170111] [2023-03-31 00:58:11,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:11,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-31 00:58:11,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:11,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-31 00:58:11,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-03-31 00:58:11,922 INFO L87 Difference]: Start difference. First operand 348 states and 462 transitions. Second operand has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:18,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:18,491 INFO L93 Difference]: Finished difference Result 839 states and 1194 transitions. [2023-03-31 00:58:18,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-03-31 00:58:18,508 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 144 [2023-03-31 00:58:18,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:18,511 INFO L225 Difference]: With dead ends: 839 [2023-03-31 00:58:18,511 INFO L226 Difference]: Without dead ends: 542 [2023-03-31 00:58:18,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=206, Invalid=664, Unknown=0, NotChecked=0, Total=870 [2023-03-31 00:58:18,513 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 2141 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 3391 mSolverCounterSat, 890 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2145 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 4281 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 890 IncrementalHoareTripleChecker+Valid, 3391 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:18,513 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2145 Valid, 45 Invalid, 4281 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [890 Valid, 3391 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-03-31 00:58:18,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2023-03-31 00:58:18,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 348. [2023-03-31 00:58:18,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 232 states have (on average 1.4310344827586208) internal successors, (332), 236 states have internal predecessors, (332), 67 states have call successors, (67), 52 states have call predecessors, (67), 48 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-03-31 00:58:18,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 461 transitions. [2023-03-31 00:58:18,673 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 461 transitions. Word has length 144 [2023-03-31 00:58:18,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:18,674 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 461 transitions. [2023-03-31 00:58:18,674 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.454545454545454) internal successors, (82), 7 states have internal predecessors, (82), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:18,674 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 461 transitions. [2023-03-31 00:58:18,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-03-31 00:58:18,675 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:18,675 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:18,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-03-31 00:58:18,675 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:18,676 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:18,676 INFO L85 PathProgramCache]: Analyzing trace with hash -229787130, now seen corresponding path program 1 times [2023-03-31 00:58:18,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:18,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [312450048] [2023-03-31 00:58:18,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:18,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:19,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-03-31 00:58:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:58:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 00:58:19,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 00:58:19,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-03-31 00:58:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:19,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:19,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:19,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:19,421 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-03-31 00:58:19,421 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:19,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [312450048] [2023-03-31 00:58:19,421 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [312450048] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:19,421 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:19,421 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2023-03-31 00:58:19,421 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963663258] [2023-03-31 00:58:19,421 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:19,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-31 00:58:19,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:19,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-31 00:58:19,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2023-03-31 00:58:19,424 INFO L87 Difference]: Start difference. First operand 348 states and 461 transitions. Second operand has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:27,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:27,158 INFO L93 Difference]: Finished difference Result 831 states and 1184 transitions. [2023-03-31 00:58:27,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-03-31 00:58:27,159 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 145 [2023-03-31 00:58:27,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:27,161 INFO L225 Difference]: With dead ends: 831 [2023-03-31 00:58:27,161 INFO L226 Difference]: Without dead ends: 534 [2023-03-31 00:58:27,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=244, Invalid=686, Unknown=0, NotChecked=0, Total=930 [2023-03-31 00:58:27,162 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1880 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 3207 mSolverCounterSat, 801 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1884 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 4008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 801 IncrementalHoareTripleChecker+Valid, 3207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:27,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1884 Valid, 42 Invalid, 4008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [801 Valid, 3207 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2023-03-31 00:58:27,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 534 states. [2023-03-31 00:58:27,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 534 to 348. [2023-03-31 00:58:27,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 348 states, 232 states have (on average 1.4267241379310345) internal successors, (331), 236 states have internal predecessors, (331), 67 states have call successors, (67), 52 states have call predecessors, (67), 48 states have return successors, (62), 61 states have call predecessors, (62), 62 states have call successors, (62) [2023-03-31 00:58:27,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 460 transitions. [2023-03-31 00:58:27,311 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 460 transitions. Word has length 145 [2023-03-31 00:58:27,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:27,311 INFO L495 AbstractCegarLoop]: Abstraction has 348 states and 460 transitions. [2023-03-31 00:58:27,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 11 states have (on average 7.545454545454546) internal successors, (83), 7 states have internal predecessors, (83), 4 states have call successors, (34), 8 states have call predecessors, (34), 4 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2023-03-31 00:58:27,311 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 460 transitions. [2023-03-31 00:58:27,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-03-31 00:58:27,312 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:27,313 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:27,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-03-31 00:58:27,313 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:27,313 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:27,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1676616136, now seen corresponding path program 1 times [2023-03-31 00:58:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:27,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281881062] [2023-03-31 00:58:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:27,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:27,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-03-31 00:58:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:27,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-03-31 00:58:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 00:58:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2023-03-31 00:58:27,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-03-31 00:58:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:27,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:27,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2023-03-31 00:58:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:27,899 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:27,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:27,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281881062] [2023-03-31 00:58:27,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281881062] provided 0 perfect and 1 imperfect interpolant sequences [2023-03-31 00:58:27,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188689735] [2023-03-31 00:58:27,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:27,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:27,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-03-31 00:58:27,900 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-03-31 00:58:27,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-03-31 00:58:28,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:28,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 1868 conjuncts, 3 conjunts are in the unsatisfiable core [2023-03-31 00:58:28,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-03-31 00:58:28,270 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:28,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-03-31 00:58:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:28,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188689735] provided 0 perfect and 2 imperfect interpolant sequences [2023-03-31 00:58:28,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-03-31 00:58:28,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 4, 4] total 13 [2023-03-31 00:58:28,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197348372] [2023-03-31 00:58:28,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-03-31 00:58:28,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-03-31 00:58:28,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:28,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-03-31 00:58:28,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-03-31 00:58:28,376 INFO L87 Difference]: Start difference. First operand 348 states and 460 transitions. Second operand has 13 states, 13 states have (on average 9.923076923076923) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 00:58:34,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:34,915 INFO L93 Difference]: Finished difference Result 890 states and 1330 transitions. [2023-03-31 00:58:34,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-03-31 00:58:34,916 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.923076923076923) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) Word has length 145 [2023-03-31 00:58:34,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:34,918 INFO L225 Difference]: With dead ends: 890 [2023-03-31 00:58:34,918 INFO L226 Difference]: Without dead ends: 695 [2023-03-31 00:58:34,919 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 350 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=187, Invalid=365, Unknown=0, NotChecked=0, Total=552 [2023-03-31 00:58:34,920 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1992 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 2326 mSolverCounterSat, 481 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2030 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 2807 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 481 IncrementalHoareTripleChecker+Valid, 2326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:34,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2030 Valid, 26 Invalid, 2807 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [481 Valid, 2326 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2023-03-31 00:58:34,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 695 states. [2023-03-31 00:58:35,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 695 to 441. [2023-03-31 00:58:35,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 441 states, 316 states have (on average 1.5221518987341771) internal successors, (481), 320 states have internal predecessors, (481), 76 states have call successors, (76), 52 states have call predecessors, (76), 48 states have return successors, (71), 70 states have call predecessors, (71), 71 states have call successors, (71) [2023-03-31 00:58:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 628 transitions. [2023-03-31 00:58:35,145 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 628 transitions. Word has length 145 [2023-03-31 00:58:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:35,145 INFO L495 AbstractCegarLoop]: Abstraction has 441 states and 628 transitions. [2023-03-31 00:58:35,145 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.923076923076923) internal successors, (129), 7 states have internal predecessors, (129), 2 states have call successors, (57), 8 states have call predecessors, (57), 2 states have return successors, (33), 2 states have call predecessors, (33), 2 states have call successors, (33) [2023-03-31 00:58:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 628 transitions. [2023-03-31 00:58:35,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2023-03-31 00:58:35,146 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:35,147 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:35,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-03-31 00:58:35,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-03-31 00:58:35,353 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:35,353 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:35,353 INFO L85 PathProgramCache]: Analyzing trace with hash -1767890233, now seen corresponding path program 1 times [2023-03-31 00:58:35,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:35,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1208415811] [2023-03-31 00:58:35,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:35,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:35,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2023-03-31 00:58:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-03-31 00:58:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2023-03-31 00:58:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2023-03-31 00:58:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-03-31 00:58:35,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2023-03-31 00:58:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:35,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2023-03-31 00:58:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2023-03-31 00:58:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:35,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:35,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1208415811] [2023-03-31 00:58:35,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1208415811] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:35,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:35,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 00:58:35,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425613957] [2023-03-31 00:58:35,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:35,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:35,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:35,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:35,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:58:35,884 INFO L87 Difference]: Start difference. First operand 441 states and 628 transitions. Second operand has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:40,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:40,607 INFO L93 Difference]: Finished difference Result 1225 states and 1926 transitions. [2023-03-31 00:58:40,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 00:58:40,608 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 152 [2023-03-31 00:58:40,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:40,611 INFO L225 Difference]: With dead ends: 1225 [2023-03-31 00:58:40,611 INFO L226 Difference]: Without dead ends: 849 [2023-03-31 00:58:40,612 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2023-03-31 00:58:40,612 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1233 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 1601 mSolverCounterSat, 461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1269 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 2062 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 461 IncrementalHoareTripleChecker+Valid, 1601 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:40,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1269 Valid, 18 Invalid, 2062 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [461 Valid, 1601 Invalid, 0 Unknown, 0 Unchecked, 3.7s Time] [2023-03-31 00:58:40,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2023-03-31 00:58:40,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 533. [2023-03-31 00:58:40,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 399 states have (on average 1.5639097744360901) internal successors, (624), 403 states have internal predecessors, (624), 85 states have call successors, (85), 52 states have call predecessors, (85), 48 states have return successors, (80), 79 states have call predecessors, (80), 80 states have call successors, (80) [2023-03-31 00:58:40,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 789 transitions. [2023-03-31 00:58:40,911 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 789 transitions. Word has length 152 [2023-03-31 00:58:40,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:40,912 INFO L495 AbstractCegarLoop]: Abstraction has 533 states and 789 transitions. [2023-03-31 00:58:40,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.777777777777779) internal successors, (88), 3 states have internal predecessors, (88), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:40,912 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 789 transitions. [2023-03-31 00:58:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2023-03-31 00:58:40,913 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:40,913 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:40,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-03-31 00:58:40,913 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:40,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:40,914 INFO L85 PathProgramCache]: Analyzing trace with hash 960147120, now seen corresponding path program 1 times [2023-03-31 00:58:40,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:40,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105697988] [2023-03-31 00:58:40,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:40,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:41,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:41,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:41,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:41,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-03-31 00:58:41,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:41,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2023-03-31 00:58:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2023-03-31 00:58:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-03-31 00:58:41,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-03-31 00:58:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2023-03-31 00:58:41,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-03-31 00:58:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2023-03-31 00:58:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:41,470 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:41,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:41,470 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105697988] [2023-03-31 00:58:41,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105697988] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:41,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:41,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 00:58:41,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380639816] [2023-03-31 00:58:41,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:41,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:41,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:41,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:41,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:58:41,471 INFO L87 Difference]: Start difference. First operand 533 states and 789 transitions. Second operand has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:46,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:46,277 INFO L93 Difference]: Finished difference Result 1589 states and 2590 transitions. [2023-03-31 00:58:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 00:58:46,277 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 153 [2023-03-31 00:58:46,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:46,281 INFO L225 Difference]: With dead ends: 1589 [2023-03-31 00:58:46,281 INFO L226 Difference]: Without dead ends: 1133 [2023-03-31 00:58:46,282 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2023-03-31 00:58:46,282 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 1402 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 1613 mSolverCounterSat, 503 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1440 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 2116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 503 IncrementalHoareTripleChecker+Valid, 1613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:46,282 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1440 Valid, 20 Invalid, 2116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [503 Valid, 1613 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2023-03-31 00:58:46,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2023-03-31 00:58:46,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 675. [2023-03-31 00:58:46,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 675 states, 531 states have (on average 1.6026365348399247) internal successors, (851), 535 states have internal predecessors, (851), 95 states have call successors, (95), 52 states have call predecessors, (95), 48 states have return successors, (90), 89 states have call predecessors, (90), 90 states have call successors, (90) [2023-03-31 00:58:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 675 states to 675 states and 1036 transitions. [2023-03-31 00:58:46,723 INFO L78 Accepts]: Start accepts. Automaton has 675 states and 1036 transitions. Word has length 153 [2023-03-31 00:58:46,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:46,723 INFO L495 AbstractCegarLoop]: Abstraction has 675 states and 1036 transitions. [2023-03-31 00:58:46,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 9.88888888888889) internal successors, (89), 3 states have internal predecessors, (89), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 1036 transitions. [2023-03-31 00:58:46,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-03-31 00:58:46,725 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:46,725 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:46,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-03-31 00:58:46,725 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:46,725 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:46,725 INFO L85 PathProgramCache]: Analyzing trace with hash -1092954811, now seen corresponding path program 1 times [2023-03-31 00:58:46,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:46,725 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090048244] [2023-03-31 00:58:46,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:46,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:47,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,176 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:47,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:47,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2023-03-31 00:58:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:47,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2023-03-31 00:58:47,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-03-31 00:58:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-03-31 00:58:47,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2023-03-31 00:58:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2023-03-31 00:58:47,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2023-03-31 00:58:47,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-03-31 00:58:47,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:47,246 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:47,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:47,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090048244] [2023-03-31 00:58:47,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090048244] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:47,246 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:47,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 00:58:47,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881590937] [2023-03-31 00:58:47,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:47,246 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:47,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:47,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:47,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:58:47,247 INFO L87 Difference]: Start difference. First operand 675 states and 1036 transitions. Second operand has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:53,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-03-31 00:58:53,053 INFO L93 Difference]: Finished difference Result 2131 states and 3561 transitions. [2023-03-31 00:58:53,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-03-31 00:58:53,053 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 154 [2023-03-31 00:58:53,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-03-31 00:58:53,059 INFO L225 Difference]: With dead ends: 2131 [2023-03-31 00:58:53,059 INFO L226 Difference]: Without dead ends: 1552 [2023-03-31 00:58:53,060 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=79, Invalid=131, Unknown=0, NotChecked=0, Total=210 [2023-03-31 00:58:53,061 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 773 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 1751 mSolverCounterSat, 249 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 809 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 2000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 249 IncrementalHoareTripleChecker+Valid, 1751 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2023-03-31 00:58:53,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [809 Valid, 24 Invalid, 2000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [249 Valid, 1751 Invalid, 0 Unknown, 0 Unchecked, 4.1s Time] [2023-03-31 00:58:53,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1552 states. [2023-03-31 00:58:53,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1552 to 911. [2023-03-31 00:58:53,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 911 states, 746 states have (on average 1.6219839142091153) internal successors, (1210), 750 states have internal predecessors, (1210), 116 states have call successors, (116), 52 states have call predecessors, (116), 48 states have return successors, (111), 110 states have call predecessors, (111), 111 states have call successors, (111) [2023-03-31 00:58:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 911 states and 1437 transitions. [2023-03-31 00:58:53,789 INFO L78 Accepts]: Start accepts. Automaton has 911 states and 1437 transitions. Word has length 154 [2023-03-31 00:58:53,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-03-31 00:58:53,789 INFO L495 AbstractCegarLoop]: Abstraction has 911 states and 1437 transitions. [2023-03-31 00:58:53,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 10.0) internal successors, (90), 3 states have internal predecessors, (90), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-03-31 00:58:53,789 INFO L276 IsEmpty]: Start isEmpty. Operand 911 states and 1437 transitions. [2023-03-31 00:58:53,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-03-31 00:58:53,792 INFO L187 NwaCegarLoop]: Found error trace [2023-03-31 00:58:53,792 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-03-31 00:58:53,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-03-31 00:58:53,792 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-03-31 00:58:53,792 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-03-31 00:58:53,792 INFO L85 PathProgramCache]: Analyzing trace with hash -1474803984, now seen corresponding path program 1 times [2023-03-31 00:58:53,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-03-31 00:58:53,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825070328] [2023-03-31 00:58:53,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-03-31 00:58:53,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-03-31 00:58:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2023-03-31 00:58:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:54,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-03-31 00:58:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2023-03-31 00:58:54,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2023-03-31 00:58:54,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2023-03-31 00:58:54,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-03-31 00:58:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2023-03-31 00:58:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2023-03-31 00:58:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2023-03-31 00:58:54,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2023-03-31 00:58:54,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2023-03-31 00:58:54,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2023-03-31 00:58:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-03-31 00:58:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2023-03-31 00:58:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2023-03-31 00:58:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2023-03-31 00:58:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-03-31 00:58:54,328 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-03-31 00:58:54,328 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-03-31 00:58:54,328 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825070328] [2023-03-31 00:58:54,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825070328] provided 1 perfect and 0 imperfect interpolant sequences [2023-03-31 00:58:54,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-03-31 00:58:54,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-03-31 00:58:54,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169305962] [2023-03-31 00:58:54,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-03-31 00:58:54,329 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-03-31 00:58:54,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-03-31 00:58:54,329 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-03-31 00:58:54,329 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2023-03-31 00:58:54,330 INFO L87 Difference]: Start difference. First operand 911 states and 1437 transitions. Second operand has 9 states, 9 states have (on average 10.11111111111111) internal successors, (91), 3 states have internal predecessors, (91), 2 states have call successors, (34), 8 states have call predecessors, (34), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22)