java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:30:00,036 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:30:00,038 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:30:00,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:30:00,057 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:30:00,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:30:00,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:30:00,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:30:00,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:30:00,076 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:30:00,078 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:30:00,080 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:30:00,080 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:30:00,084 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:30:00,086 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:30:00,087 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:30:00,089 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:30:00,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:30:00,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:30:00,097 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:30:00,101 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:30:00,102 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:30:00,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:30:00,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:30:00,108 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:30:00,109 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:30:00,109 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:30:00,110 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:30:00,111 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:30:00,112 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:30:00,113 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:30:00,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:30:00,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:30:00,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:30:00,116 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:30:00,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:30:00,117 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:30:00,117 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:30:00,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:30:00,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:30:00,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:30:00,121 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 [2019-10-14 23:30:00,138 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:30:00,139 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:30:00,142 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:30:00,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:30:00,143 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:30:00,143 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:30:00,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:30:00,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:30:00,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:30:00,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:30:00,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:30:00,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:30:00,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:30:00,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:30:00,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:30:00,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:30:00,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:30:00,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:30:00,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:30:00,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:30:00,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:30:00,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:30:00,148 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:30:00,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:30:00,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:30:00,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:30:00,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:30:00,150 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:30:00,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:30:00,425 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:30:00,437 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:30:00,440 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:30:00,442 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:30:00,442 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:30:00,443 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c [2019-10-14 23:30:00,516 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704a10823/eb8e0214c6b94b70a914a431982b8c1e/FLAG9a5e1750d [2019-10-14 23:30:01,108 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:30:01,110 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec7_product13.cil.c [2019-10-14 23:30:01,141 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704a10823/eb8e0214c6b94b70a914a431982b8c1e/FLAG9a5e1750d [2019-10-14 23:30:01,382 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/704a10823/eb8e0214c6b94b70a914a431982b8c1e [2019-10-14 23:30:01,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:30:01,392 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:30:01,396 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:01,396 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:30:01,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:30:01,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:01" (1/1) ... [2019-10-14 23:30:01,402 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ba36926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:01, skipping insertion in model container [2019-10-14 23:30:01,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:30:01" (1/1) ... [2019-10-14 23:30:01,409 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:30:01,483 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:30:02,276 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:02,301 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:30:02,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:30:02,507 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:30:02,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02 WrapperNode [2019-10-14 23:30:02,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:30:02,509 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:30:02,510 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:30:02,510 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:30:02,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,555 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,637 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,667 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... [2019-10-14 23:30:02,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:30:02,705 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:30:02,705 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:30:02,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:30:02,708 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:30:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:30:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:30:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-14 23:30:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:30:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:30:02,789 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:30:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:30:02,790 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:30:02,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:30:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:30:02,792 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:30:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:30:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:30:02,796 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:30:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:30:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:30:02,797 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:30:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:30:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:02,798 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:30:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:30:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:30:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:30:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:30:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:30:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:30:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:30:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:30:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:30:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:30:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:30:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:30:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:30:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:30:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:30:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:30:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:30:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:30:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:30:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:30:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:30:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:30:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:30:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:30:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:30:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:30:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:30:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:30:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:30:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-14 23:30:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-14 23:30:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:30:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:30:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:30:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:30:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:30:02,807 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-14 23:30:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:30:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:30:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-14 23:30:02,808 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:30:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:30:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:30:02,809 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:30:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:30:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:30:02,810 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:30:02,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:30:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:30:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-14 23:30:02,812 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-14 23:30:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:30:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:30:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:30:02,813 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:30:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:30:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:30:02,814 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:30:02,815 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:30:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:30:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:30:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:30:02,816 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:30:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:30:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:30:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:30:02,817 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:30:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:30:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:30:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:30:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:30:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:30:02,818 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:30:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:30:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:30:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:30:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:30:02,819 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:30:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:30:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:30:02,820 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:30:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:30:02,820 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:30:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:30:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:30:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptVerify_spec__1 [2019-10-14 23:30:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:30:02,821 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:30:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:30:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:30:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:30:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:30:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:30:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:30:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:30:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:30:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:30:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:30:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:30:02,825 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:30:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:30:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:30:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:30:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:30:02,826 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:30:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:30:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:30:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:30:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:30:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:30:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:30:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:30:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:30:02,838 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:30:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:30:02,839 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:30:02,840 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:30:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:30:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:30:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:30:02,848 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:30:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:30:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:30:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:30:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:30:02,849 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:30:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:30:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:30:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:30:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:30:02,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:30:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:30:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:30:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:30:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:30:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:30:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:30:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:30:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:30:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:30:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:30:02,853 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:30:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:30:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:30:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:30:02,854 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:30:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:30:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:30:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:30:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:30:02,855 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:30:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:30:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:30:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:30:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:30:02,856 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:30:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:30:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:30:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:30:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:30:02,857 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-14 23:30:02,858 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:30:02,859 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-14 23:30:02,860 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:30:02,861 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:30:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:30:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:30:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:30:02,862 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:30:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:30:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:30:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:30:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:30:02,863 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:30:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:30:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:30:02,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:30:04,848 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:30:04,849 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:30:04,851 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:04 BoogieIcfgContainer [2019-10-14 23:30:04,851 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:30:04,852 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:30:04,852 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:30:04,856 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:30:04,856 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:30:01" (1/3) ... [2019-10-14 23:30:04,857 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f56729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:04, skipping insertion in model container [2019-10-14 23:30:04,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:30:02" (2/3) ... [2019-10-14 23:30:04,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14f56729 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:30:04, skipping insertion in model container [2019-10-14 23:30:04,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:30:04" (3/3) ... [2019-10-14 23:30:04,860 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec7_product13.cil.c [2019-10-14 23:30:04,870 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:30:04,880 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:30:04,892 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:30:04,932 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:30:04,932 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:30:04,933 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:30:04,933 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:30:04,933 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:30:04,933 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:30:04,933 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:30:04,933 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:30:04,970 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states. [2019-10-14 23:30:04,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-10-14 23:30:04,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:04,989 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:30:04,991 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:04,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:04,997 INFO L82 PathProgramCache]: Analyzing trace with hash -248388520, now seen corresponding path program 1 times [2019-10-14 23:30:05,006 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:05,006 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685083231] [2019-10-14 23:30:05,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:05,007 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:05,007 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,196 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 529 [2019-10-14 23:30:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:07,551 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:30:07,552 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685083231] [2019-10-14 23:30:07,553 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:07,553 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:30:07,553 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842425028] [2019-10-14 23:30:07,558 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:30:07,558 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:07,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:30:07,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:30:07,575 INFO L87 Difference]: Start difference. First operand 443 states. Second operand 11 states. [2019-10-14 23:30:19,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:30:19,064 INFO L93 Difference]: Finished difference Result 1050 states and 1576 transitions. [2019-10-14 23:30:19,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-10-14 23:30:19,065 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 150 [2019-10-14 23:30:19,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:30:19,087 INFO L225 Difference]: With dead ends: 1050 [2019-10-14 23:30:19,088 INFO L226 Difference]: Without dead ends: 709 [2019-10-14 23:30:19,096 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 480 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-10-14 23:30:19,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2019-10-14 23:30:19,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 398. [2019-10-14 23:30:19,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2019-10-14 23:30:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 529 transitions. [2019-10-14 23:30:19,364 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 529 transitions. Word has length 150 [2019-10-14 23:30:19,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:30:19,364 INFO L462 AbstractCegarLoop]: Abstraction has 398 states and 529 transitions. [2019-10-14 23:30:19,365 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:30:19,365 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 529 transitions. [2019-10-14 23:30:19,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-10-14 23:30:19,373 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:19,374 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:30:19,375 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:19,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:19,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1775416179, now seen corresponding path program 1 times [2019-10-14 23:30:19,375 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:19,375 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518710035] [2019-10-14 23:30:19,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:19,376 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:19,376 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:20,973 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 529 [2019-10-14 23:30:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:21,400 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:30:21,400 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518710035] [2019-10-14 23:30:21,400 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:21,400 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:30:21,401 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47546166] [2019-10-14 23:30:21,403 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:30:21,403 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:21,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:30:21,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:30:21,404 INFO L87 Difference]: Start difference. First operand 398 states and 529 transitions. Second operand 12 states. [2019-10-14 23:30:25,081 WARN L191 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 532 [2019-10-14 23:30:34,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:30:34,914 INFO L93 Difference]: Finished difference Result 889 states and 1256 transitions. [2019-10-14 23:30:34,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-14 23:30:34,920 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 151 [2019-10-14 23:30:34,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:30:34,932 INFO L225 Difference]: With dead ends: 889 [2019-10-14 23:30:34,932 INFO L226 Difference]: Without dead ends: 712 [2019-10-14 23:30:34,936 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2019-10-14 23:30:34,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 712 states. [2019-10-14 23:30:35,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 712 to 400. [2019-10-14 23:30:35,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2019-10-14 23:30:35,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 531 transitions. [2019-10-14 23:30:35,150 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 531 transitions. Word has length 151 [2019-10-14 23:30:35,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:30:35,150 INFO L462 AbstractCegarLoop]: Abstraction has 400 states and 531 transitions. [2019-10-14 23:30:35,151 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-14 23:30:35,151 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 531 transitions. [2019-10-14 23:30:35,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-14 23:30:35,154 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:30:35,154 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:30:35,154 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:30:35,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:30:35,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1167546297, now seen corresponding path program 1 times [2019-10-14 23:30:35,155 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:30:35,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141605168] [2019-10-14 23:30:35,155 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:35,156 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:30:35,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:30:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,650 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 529 [2019-10-14 23:30:36,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:30:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:30:37,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141605168] [2019-10-14 23:30:37,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:30:37,019 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-14 23:30:37,019 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457917050] [2019-10-14 23:30:37,020 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-14 23:30:37,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:30:37,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-14 23:30:37,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-10-14 23:30:37,021 INFO L87 Difference]: Start difference. First operand 400 states and 531 transitions. Second operand 12 states. [2019-10-14 23:30:41,388 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 532