/usr/bin/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_spec11_product03.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:38:36,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:38:36,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:38:36,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:38:36,683 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:38:36,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:38:36,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:38:36,696 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:38:36,697 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:38:36,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:38:36,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:38:36,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:38:36,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:38:36,701 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:38:36,702 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:38:36,703 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:38:36,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:38:36,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:38:36,706 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:38:36,708 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:38:36,709 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:38:36,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:38:36,711 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:38:36,711 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:38:36,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:38:36,714 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:38:36,714 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:38:36,715 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:38:36,715 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:38:36,716 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:38:36,716 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:38:36,717 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:38:36,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:38:36,718 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:38:36,719 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:38:36,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:38:36,720 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:38:36,720 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:38:36,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:38:36,721 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:38:36,722 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:38:36,723 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 [2019-11-06 21:38:36,737 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:38:36,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:38:36,738 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:38:36,739 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:38:36,739 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:38:36,739 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:38:36,739 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:38:36,739 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:38:36,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:38:36,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:38:36,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:38:36,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:38:36,740 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:38:36,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:38:36,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:38:36,741 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:38:36,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:38:36,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:38:36,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:38:36,742 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:38:36,742 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:38:36,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:38:36,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:38:36,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:38:36,743 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:38:36,743 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:38:36,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:38:36,743 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:38:36,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:38:37,026 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:38:37,038 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:38:37,041 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:38:37,042 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:38:37,043 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:38:37,044 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2019-11-06 21:38:37,103 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59aa6ea4/8dadeb87e01e4c658a6201be9887c2f9/FLAGb79154860 [2019-11-06 21:38:37,719 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:38:37,720 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product03.cil.c [2019-11-06 21:38:37,747 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59aa6ea4/8dadeb87e01e4c658a6201be9887c2f9/FLAGb79154860 [2019-11-06 21:38:37,938 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f59aa6ea4/8dadeb87e01e4c658a6201be9887c2f9 [2019-11-06 21:38:37,948 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:38:37,949 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:38:37,950 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:37,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:38:37,954 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:38:37,955 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:37" (1/1) ... [2019-11-06 21:38:37,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb53db9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:37, skipping insertion in model container [2019-11-06 21:38:37,958 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:37" (1/1) ... [2019-11-06 21:38:37,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:38:38,036 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:38:38,758 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:38,775 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:38:38,911 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:39,000 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:38:39,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39 WrapperNode [2019-11-06 21:38:39,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:39,002 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:38:39,002 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:38:39,002 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:38:39,014 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,015 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,044 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,044 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,092 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (1/1) ... [2019-11-06 21:38:39,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:38:39,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:38:39,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:38:39,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:38:39,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (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 [2019-11-06 21:38:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:38:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:38:39,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:38:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:38:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:38:39,218 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:38:39,219 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:38:39,220 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:38:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:38:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:38:39,221 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:38:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:38:39,222 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:38:39,223 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:38:39,224 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:38:39,226 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:38:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:38:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:38:39,227 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:38:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:38:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:38:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:38:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:38:39,228 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:38:39,229 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:38:39,229 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:38:39,229 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:38:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:38:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:38:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:38:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:38:39,230 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:38:39,231 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:38:39,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:38:39,233 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:38:39,233 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:38:39,233 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:38:39,233 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:38:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:38:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Base [2019-11-06 21:38:39,234 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:38:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:38:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:38:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:38:39,235 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:38:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:38:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:38:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:38:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:39,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:38:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:38:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:39,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:38:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:38:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:38:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:38:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:38:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:38:39,238 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:38:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:38:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:38:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:38:39,239 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:38:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:38:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:38:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:38:39,240 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:38:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:38:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:38:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:38:39,241 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:38:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:38:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:38:39,242 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:38:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:38:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:38:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:38:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:38:39,243 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:38:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:38:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:38:39,244 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:38:39,245 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:38:39,245 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:38:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:38:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:38:39,246 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:38:39,247 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:38:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:38:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:38:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:38:39,248 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:38:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:38:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:38:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:38:39,249 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:38:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:38:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:38:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:38:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:38:39,250 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:38:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:38:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:38:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:38:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:38:39,251 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:38:39,252 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:38:39,253 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:38:39,254 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:38:39,255 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:38:39,256 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:38:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:38:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:38:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:38:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:38:39,257 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:38:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:38:39,258 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:38:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:38:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:38:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:38:39,259 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:38:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:38:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:38:39,260 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:38:39,261 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:38:39,264 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:38:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:38:39,265 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:38:39,266 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:38:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:38:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:38:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:38:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Base [2019-11-06 21:38:39,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:38:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:38:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:38:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:38:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:38:39,274 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:38:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:38:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:38:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:38:39,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:38:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:38:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:38:39,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:38:39,278 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:38:39,279 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:38:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:38:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:38:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:38:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:38:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:38:39,280 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:38:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:38:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:38:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:38:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:38:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:38:39,281 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:38:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:38:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:38:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:38:39,282 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:38:39,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:38:41,145 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:38:41,145 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:38:41,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:41 BoogieIcfgContainer [2019-11-06 21:38:41,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:38:41,150 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:38:41,150 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:38:41,153 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:38:41,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:38:37" (1/3) ... [2019-11-06 21:38:41,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3590adb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:41, skipping insertion in model container [2019-11-06 21:38:41,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:39" (2/3) ... [2019-11-06 21:38:41,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3590adb0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:41, skipping insertion in model container [2019-11-06 21:38:41,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:41" (3/3) ... [2019-11-06 21:38:41,157 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product03.cil.c [2019-11-06 21:38:41,167 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:38:41,178 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:38:41,190 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:38:41,229 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:38:41,230 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:38:41,230 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:38:41,230 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:38:41,230 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:38:41,230 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:38:41,230 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:38:41,230 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:38:41,258 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states. [2019-11-06 21:38:41,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-06 21:38:41,272 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:41,274 INFO L410 BasicCegarLoop]: 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] [2019-11-06 21:38:41,276 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:41,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:41,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1055446932, now seen corresponding path program 1 times [2019-11-06 21:38:41,294 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:41,295 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368218115] [2019-11-06 21:38:41,295 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,310 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 499 [2019-11-06 21:38:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:43,657 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:38:43,658 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368218115] [2019-11-06 21:38:43,659 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:43,659 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-06 21:38:43,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559835808] [2019-11-06 21:38:43,667 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-06 21:38:43,667 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:43,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-06 21:38:43,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-11-06 21:38:43,685 INFO L87 Difference]: Start difference. First operand 220 states. Second operand 8 states. [2019-11-06 21:38:49,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:49,567 INFO L93 Difference]: Finished difference Result 504 states and 701 transitions. [2019-11-06 21:38:49,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-06 21:38:49,570 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 125 [2019-11-06 21:38:49,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:49,588 INFO L225 Difference]: With dead ends: 504 [2019-11-06 21:38:49,588 INFO L226 Difference]: Without dead ends: 328 [2019-11-06 21:38:49,594 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:38:49,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-11-06 21:38:49,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 200. [2019-11-06 21:38:49,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2019-11-06 21:38:49,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 248 transitions. [2019-11-06 21:38:49,737 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 248 transitions. Word has length 125 [2019-11-06 21:38:49,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:49,738 INFO L462 AbstractCegarLoop]: Abstraction has 200 states and 248 transitions. [2019-11-06 21:38:49,739 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-06 21:38:49,739 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 248 transitions. [2019-11-06 21:38:49,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-06 21:38:49,743 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:49,743 INFO L410 BasicCegarLoop]: 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] [2019-11-06 21:38:49,743 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:49,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:49,744 INFO L82 PathProgramCache]: Analyzing trace with hash -121667894, now seen corresponding path program 1 times [2019-11-06 21:38:49,744 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:49,744 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273977084] [2019-11-06 21:38:49,744 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,268 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 499 [2019-11-06 21:38:51,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:51,503 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-11-06 21:38:51,504 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273977084] [2019-11-06 21:38:51,504 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:51,504 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-11-06 21:38:51,504 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137207863] [2019-11-06 21:38:51,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-11-06 21:38:51,507 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:51,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-11-06 21:38:51,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-11-06 21:38:51,508 INFO L87 Difference]: Start difference. First operand 200 states and 248 transitions. Second operand 9 states. [2019-11-06 21:38:53,750 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 502 [2019-11-06 21:38:57,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:57,655 INFO L93 Difference]: Finished difference Result 447 states and 579 transitions. [2019-11-06 21:38:57,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-06 21:38:57,655 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 126 [2019-11-06 21:38:57,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:57,660 INFO L225 Difference]: With dead ends: 447 [2019-11-06 21:38:57,660 INFO L226 Difference]: Without dead ends: 331 [2019-11-06 21:38:57,662 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=66, Invalid=116, Unknown=0, NotChecked=0, Total=182 [2019-11-06 21:38:57,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-11-06 21:38:57,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 202. [2019-11-06 21:38:57,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2019-11-06 21:38:57,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 250 transitions. [2019-11-06 21:38:57,763 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 250 transitions. Word has length 126 [2019-11-06 21:38:57,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:57,763 INFO L462 AbstractCegarLoop]: Abstraction has 202 states and 250 transitions. [2019-11-06 21:38:57,763 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-11-06 21:38:57,764 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 250 transitions. [2019-11-06 21:38:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-11-06 21:38:57,766 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:57,767 INFO L410 BasicCegarLoop]: 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] [2019-11-06 21:38:57,767 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:57,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:57,767 INFO L82 PathProgramCache]: Analyzing trace with hash 164607131, now seen corresponding path program 1 times [2019-11-06 21:38:57,768 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:57,768 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619422078] [2019-11-06 21:38:57,768 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,205 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 499 [2019-11-06 21:38:59,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:38:59,494 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619422078] [2019-11-06 21:38:59,495 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:59,495 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:38:59,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494790217] [2019-11-06 21:38:59,498 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:38:59,498 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:59,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:38:59,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:38:59,499 INFO L87 Difference]: Start difference. First operand 202 states and 250 transitions. Second operand 12 states. [2019-11-06 21:39:01,211 WARN L191 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 501 [2019-11-06 21:39:07,084 WARN L191 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 503 [2019-11-06 21:39:08,498 WARN L191 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 503 [2019-11-06 21:39:09,850 WARN L191 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 503 [2019-11-06 21:39:12,313 WARN L191 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 501 [2019-11-06 21:39:13,681 WARN L191 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 502 [2019-11-06 21:39:17,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:39:17,041 INFO L93 Difference]: Finished difference Result 675 states and 892 transitions. [2019-11-06 21:39:17,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-11-06 21:39:17,043 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 131 [2019-11-06 21:39:17,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:39:17,048 INFO L225 Difference]: With dead ends: 675 [2019-11-06 21:39:17,048 INFO L226 Difference]: Without dead ends: 572 [2019-11-06 21:39:17,050 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 9.3s TimeCoverageRelationStatistics Valid=206, Invalid=496, Unknown=0, NotChecked=0, Total=702 [2019-11-06 21:39:17,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 572 states. [2019-11-06 21:39:17,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 572 to 359. [2019-11-06 21:39:17,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-11-06 21:39:17,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 453 transitions. [2019-11-06 21:39:17,195 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 453 transitions. Word has length 131 [2019-11-06 21:39:17,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:39:17,196 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 453 transitions. [2019-11-06 21:39:17,196 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:39:17,196 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 453 transitions. [2019-11-06 21:39:17,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-06 21:39:17,199 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:39:17,199 INFO L410 BasicCegarLoop]: 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] [2019-11-06 21:39:17,199 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:39:17,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:39:17,200 INFO L82 PathProgramCache]: Analyzing trace with hash -1982236929, now seen corresponding path program 1 times [2019-11-06 21:39:17,200 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:39:17,200 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606107500] [2019-11-06 21:39:17,200 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:39:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,658 WARN L191 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 499 [2019-11-06 21:39:18,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:18,937 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-06 21:39:18,938 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606107500] [2019-11-06 21:39:18,938 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:39:18,938 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:39:18,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253806645] [2019-11-06 21:39:18,940 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:39:18,940 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:39:18,940 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:39:18,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:39:18,941 INFO L87 Difference]: Start difference. First operand 359 states and 453 transitions. Second operand 12 states.