/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_spec0_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:37:59,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:37:59,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:37:59,776 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:37:59,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:37:59,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:37:59,780 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:37:59,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:37:59,796 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:37:59,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:37:59,800 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:37:59,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:37:59,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:37:59,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:37:59,809 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:37:59,811 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:37:59,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:37:59,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:37:59,817 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:37:59,822 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:37:59,826 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:37:59,828 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:37:59,832 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:37:59,832 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:37:59,837 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:37:59,837 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:37:59,837 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:37:59,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:37:59,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:37:59,842 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:37:59,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:37:59,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:37:59,844 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:37:59,845 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:37:59,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:37:59,847 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:37:59,848 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:37:59,848 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:37:59,848 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:37:59,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:37:59,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:37:59,852 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 21:37:59,872 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:37:59,872 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:37:59,875 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:37:59,875 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:37:59,875 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:37:59,875 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:37:59,876 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:37:59,876 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:37:59,876 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:37:59,876 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:37:59,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:37:59,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:37:59,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:37:59,878 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:37:59,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:37:59,879 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:37:59,879 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:37:59,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:37:59,879 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:37:59,880 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:37:59,880 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:37:59,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:37:59,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:37:59,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:37:59,881 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:37:59,881 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:37:59,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:37:59,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:37:59,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:38:00,170 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:38:00,190 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:38:00,194 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:38:00,196 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:38:00,196 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:38:00,197 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-11-06 21:38:00,270 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e7b9db2/54edb5fbc3cc41549b66da61178e836c/FLAG034d2b4b1 [2019-11-06 21:38:00,818 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:38:00,822 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product37.cil.c [2019-11-06 21:38:00,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e7b9db2/54edb5fbc3cc41549b66da61178e836c/FLAG034d2b4b1 [2019-11-06 21:38:01,117 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13e7b9db2/54edb5fbc3cc41549b66da61178e836c [2019-11-06 21:38:01,125 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:38:01,127 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:38:01,128 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:01,128 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:38:01,132 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:38:01,133 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,136 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32d5b5c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:01, skipping insertion in model container [2019-11-06 21:38:01,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:01" (1/1) ... [2019-11-06 21:38:01,144 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:38:01,223 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:38:01,916 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:01,944 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:38:02,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:02,136 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:38:02,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02 WrapperNode [2019-11-06 21:38:02,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:02,137 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:38:02,137 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:38:02,137 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:38:02,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,182 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (1/1) ... [2019-11-06 21:38:02,336 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:38:02,337 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:38:02,337 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:38:02,337 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:38:02,338 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (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 [2019-11-06 21:38:02,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:38:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:38:02,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:38:02,416 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:38:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:38:02,417 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:38:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:38:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:38:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:38:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:38:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:38:02,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:38:02,420 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:38:02,421 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:38:02,421 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:38:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:38:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:38:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:38:02,424 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:38:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:38:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:38:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:38:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:38:02,425 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-06 21:38:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:38:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:38:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:38:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:38:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:38:02,426 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:38:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:38:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:38:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:38:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:38:02,427 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:38:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:38:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:38:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:38:02,428 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:38:02,429 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:38:02,429 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:38:02,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:38:02,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:38:02,430 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:38:02,430 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:38:02,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:38:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:38:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:38:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:38:02,431 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:38:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:38:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:38:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:38:02,432 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:38:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:38:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:38:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-11-06 21:38:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-11-06 21:38:02,433 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:38:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:38:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:38:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:38:02,434 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:38:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:38:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:38:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:38:02,435 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:38:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:38:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-06 21:38:02,436 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:38:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:38:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:38:02,437 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:38:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:38:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:38:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:38:02,438 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:38:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:38:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:38:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:38:02,439 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:38:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:38:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:38:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:38:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:38:02,440 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:38:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:38:02,441 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:38:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:38:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:38:02,442 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:38:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:38:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:38:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:38:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:38:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:02,443 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:38:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:38:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:38:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:38:02,444 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:38:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:38:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:38:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-11-06 21:38:02,445 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:38:02,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:38:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:38:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:38:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:38:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:38:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:38:02,446 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:38:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:38:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:38:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:38:02,447 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:38:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:38:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:38:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:38:02,448 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:38:02,449 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:38:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:38:02,450 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:38:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:38:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:38:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:38:02,451 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:38:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:38:02,452 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:38:02,456 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:38:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:38:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:38:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:38:02,457 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:38:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:38:02,458 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:38:02,459 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:38:02,462 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:38:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:38:02,463 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:38:02,464 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:38:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:38:02,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:38:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:38:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:38:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:38:02,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-06 21:38:02,472 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:38:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:38:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:38:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:38:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:38:02,473 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:38:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:38:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:38:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:38:02,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:38:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:38:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:38:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:38:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:38:02,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:38:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:38:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:38:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:38:02,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:38:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:38:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:38:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:38:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:38:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:38:02,477 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:38:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:38:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:38:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:38:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:38:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:38:02,478 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-06 21:38:02,479 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:38:02,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:38:02,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:38:02,482 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:38:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:38:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:38:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:38:02,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:38:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:38:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:38:02,484 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:38:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:38:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:38:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:38:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:38:02,485 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:38:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:38:02,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:38:04,523 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:38:04,524 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:38:04,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:04 BoogieIcfgContainer [2019-11-06 21:38:04,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:38:04,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:38:04,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:38:04,530 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:38:04,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:38:01" (1/3) ... [2019-11-06 21:38:04,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cfed92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:04, skipping insertion in model container [2019-11-06 21:38:04,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:02" (2/3) ... [2019-11-06 21:38:04,532 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57cfed92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:04, skipping insertion in model container [2019-11-06 21:38:04,532 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:04" (3/3) ... [2019-11-06 21:38:04,534 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product37.cil.c [2019-11-06 21:38:04,545 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:38:04,555 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:38:04,567 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:38:04,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:38:04,596 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:38:04,597 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:38:04,597 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:38:04,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:38:04,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:38:04,597 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:38:04,597 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:38:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-11-06 21:38:04,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-11-06 21:38:04,672 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:04,674 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:38:04,677 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:04,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:04,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1866097905, now seen corresponding path program 1 times [2019-11-06 21:38:04,694 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:04,694 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594502663] [2019-11-06 21:38:04,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,021 WARN L191 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 529 [2019-11-06 21:38:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:07,496 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:38:07,496 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594502663] [2019-11-06 21:38:07,497 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:07,497 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:38:07,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405748089] [2019-11-06 21:38:07,506 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:38:07,506 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:07,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:38:07,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:38:07,523 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 11 states. [2019-11-06 21:38:21,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:21,564 INFO L93 Difference]: Finished difference Result 976 states and 1457 transitions. [2019-11-06 21:38:21,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2019-11-06 21:38:21,566 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 168 [2019-11-06 21:38:21,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:21,590 INFO L225 Difference]: With dead ends: 976 [2019-11-06 21:38:21,590 INFO L226 Difference]: Without dead ends: 698 [2019-11-06 21:38:21,598 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 230 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=283, Invalid=709, Unknown=0, NotChecked=0, Total=992 [2019-11-06 21:38:21,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 698 states. [2019-11-06 21:38:21,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 698 to 395. [2019-11-06 21:38:21,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-11-06 21:38:21,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2019-11-06 21:38:21,901 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 168 [2019-11-06 21:38:21,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:21,903 INFO L462 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2019-11-06 21:38:21,903 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:38:21,903 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2019-11-06 21:38:21,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-06 21:38:21,910 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:21,910 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:38:21,913 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:21,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:21,914 INFO L82 PathProgramCache]: Analyzing trace with hash 1166552557, now seen corresponding path program 1 times [2019-11-06 21:38:21,914 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:21,914 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34699069] [2019-11-06 21:38:21,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:22,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,443 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 529 [2019-11-06 21:38:23,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:23,932 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:38:23,932 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34699069] [2019-11-06 21:38:23,932 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:23,933 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:38:23,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863358694] [2019-11-06 21:38:23,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:38:23,945 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:23,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:38:23,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:38:23,953 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 12 states. [2019-11-06 21:38:27,231 WARN L191 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 532 [2019-11-06 21:38:37,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:37,422 INFO L93 Difference]: Finished difference Result 853 states and 1208 transitions. [2019-11-06 21:38:37,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-11-06 21:38:37,422 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 169 [2019-11-06 21:38:37,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:37,429 INFO L225 Difference]: With dead ends: 853 [2019-11-06 21:38:37,430 INFO L226 Difference]: Without dead ends: 701 [2019-11-06 21:38:37,432 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=153, Invalid=309, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:38:37,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2019-11-06 21:38:37,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 397. [2019-11-06 21:38:37,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-06 21:38:37,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2019-11-06 21:38:37,695 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 169 [2019-11-06 21:38:37,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:37,696 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2019-11-06 21:38:37,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:38:37,696 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2019-11-06 21:38:37,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-06 21:38:37,699 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:37,700 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:38:37,700 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:37,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:37,701 INFO L82 PathProgramCache]: Analyzing trace with hash 62991774, now seen corresponding path program 1 times [2019-11-06 21:38:37,701 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:37,701 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128343823] [2019-11-06 21:38:37,701 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:37,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,259 WARN L191 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 529 [2019-11-06 21:38:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:39,623 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-06 21:38:39,623 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128343823] [2019-11-06 21:38:39,624 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:39,624 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:38:39,625 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549952444] [2019-11-06 21:38:39,626 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:38:39,627 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:39,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:38:39,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:38:39,628 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 12 states.