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_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-14 23:24:19,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-14 23:24:19,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-14 23:24:19,862 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-14 23:24:19,863 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-14 23:24:19,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-14 23:24:19,865 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-14 23:24:19,867 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-14 23:24:19,869 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-14 23:24:19,870 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-14 23:24:19,871 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-14 23:24:19,872 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-14 23:24:19,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-14 23:24:19,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-14 23:24:19,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-14 23:24:19,876 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-14 23:24:19,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-14 23:24:19,878 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-14 23:24:19,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-14 23:24:19,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-14 23:24:19,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-14 23:24:19,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-14 23:24:19,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-14 23:24:19,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-14 23:24:19,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-14 23:24:19,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-14 23:24:19,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-14 23:24:19,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-14 23:24:19,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-14 23:24:19,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-14 23:24:19,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-14 23:24:19,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-14 23:24:19,894 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-14 23:24:19,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-14 23:24:19,896 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-14 23:24:19,896 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-14 23:24:19,897 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-14 23:24:19,897 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-14 23:24:19,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-14 23:24:19,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-14 23:24:19,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-14 23:24:19,900 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-14 23:24:19,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-14 23:24:19,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-14 23:24:19,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-14 23:24:19,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-14 23:24:19,917 INFO L138 SettingsManager]: * Use SBE=true [2019-10-14 23:24:19,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-14 23:24:19,918 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-14 23:24:19,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-14 23:24:19,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-14 23:24:19,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-14 23:24:19,919 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-14 23:24:19,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-14 23:24:19,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-14 23:24:19,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-14 23:24:19,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-14 23:24:19,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-14 23:24:19,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-14 23:24:19,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-14 23:24:19,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-14 23:24:19,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-14 23:24:19,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-14 23:24:19,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:24:19,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-14 23:24:19,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-14 23:24:19,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-14 23:24:19,922 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-14 23:24:19,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-14 23:24:19,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-14 23:24:19,922 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-14 23:24:20,280 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-14 23:24:20,302 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-14 23:24:20,305 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-14 23:24:20,306 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-14 23:24:20,307 INFO L275 PluginConnector]: CDTParser initialized [2019-10-14 23:24:20,308 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2019-10-14 23:24:20,376 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca19af9cb/450bc39ca8e44b1bab16e0f320402fc3/FLAG339420030 [2019-10-14 23:24:20,984 INFO L306 CDTParser]: Found 1 translation units. [2019-10-14 23:24:20,985 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2019-10-14 23:24:21,008 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca19af9cb/450bc39ca8e44b1bab16e0f320402fc3/FLAG339420030 [2019-10-14 23:24:21,244 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ca19af9cb/450bc39ca8e44b1bab16e0f320402fc3 [2019-10-14 23:24:21,255 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-14 23:24:21,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-14 23:24:21,258 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-14 23:24:21,258 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-14 23:24:21,261 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-14 23:24:21,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a690c44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:21, skipping insertion in model container [2019-10-14 23:24:21,266 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 11:24:21" (1/1) ... [2019-10-14 23:24:21,273 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-14 23:24:21,357 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-14 23:24:22,099 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:24:22,128 INFO L188 MainTranslator]: Completed pre-run [2019-10-14 23:24:22,290 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-14 23:24:22,361 INFO L192 MainTranslator]: Completed translation [2019-10-14 23:24:22,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22 WrapperNode [2019-10-14 23:24:22,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-14 23:24:22,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-14 23:24:22,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-14 23:24:22,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-14 23:24:22,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,405 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,406 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,456 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,479 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... [2019-10-14 23:24:22,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-14 23:24:22,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-14 23:24:22,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-14 23:24:22,521 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-14 23:24:22,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-14 23:24:22,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-14 23:24:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-14 23:24:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-14 23:24:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-14 23:24:22,620 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-14 23:24:22,621 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-14 23:24:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-14 23:24:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-14 23:24:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-14 23:24:22,622 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-14 23:24:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-14 23:24:22,623 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-14 23:24:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-14 23:24:22,624 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-14 23:24:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-14 23:24:22,625 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-14 23:24:22,627 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-14 23:24:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-14 23:24:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-14 23:24:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-14 23:24:22,629 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-14 23:24:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-14 23:24:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-14 23:24:22,630 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-14 23:24:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-14 23:24:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-14 23:24:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-14 23:24:22,631 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-14 23:24:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-14 23:24:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-14 23:24:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-14 23:24:22,632 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-14 23:24:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-14 23:24:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-14 23:24:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-14 23:24:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-14 23:24:22,633 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-14 23:24:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-14 23:24:22,634 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-14 23:24:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-14 23:24:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-14 23:24:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-14 23:24:22,635 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-14 23:24:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-14 23:24:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-14 23:24:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-14 23:24:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-14 23:24:22,636 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-14 23:24:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-14 23:24:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-14 23:24:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-14 23:24:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-14 23:24:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-14 23:24:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-14 23:24:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-14 23:24:22,638 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-14 23:24:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-14 23:24:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-14 23:24:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-14 23:24:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-14 23:24:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-14 23:24:22,639 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-14 23:24:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-14 23:24:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-14 23:24:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-14 23:24:22,640 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-14 23:24:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-14 23:24:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-14 23:24:22,641 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-14 23:24:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-14 23:24:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-14 23:24:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-14 23:24:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-14 23:24:22,642 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-14 23:24:22,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-14 23:24:22,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-14 23:24:22,643 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-14 23:24:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-14 23:24:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-14 23:24:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-14 23:24:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-14 23:24:22,644 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-14 23:24:22,645 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-14 23:24:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-14 23:24:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-14 23:24:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-14 23:24:22,646 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-14 23:24:22,647 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-14 23:24:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-14 23:24:22,648 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-14 23:24:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-14 23:24:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-14 23:24:22,649 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-14 23:24:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-14 23:24:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-14 23:24:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-14 23:24:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-14 23:24:22,650 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-14 23:24:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-14 23:24:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-14 23:24:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-14 23:24:22,651 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-14 23:24:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-14 23:24:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-14 23:24:22,652 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-14 23:24:22,652 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-14 23:24:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-14 23:24:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-14 23:24:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-14 23:24:22,653 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-14 23:24:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-14 23:24:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-14 23:24:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-14 23:24:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-14 23:24:22,654 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-14 23:24:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-14 23:24:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-14 23:24:22,655 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-14 23:24:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-14 23:24:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-14 23:24:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-14 23:24:22,656 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-14 23:24:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-14 23:24:22,657 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-14 23:24:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-14 23:24:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-14 23:24:22,658 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-14 23:24:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-14 23:24:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-14 23:24:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-14 23:24:22,659 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-14 23:24:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-14 23:24:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-14 23:24:22,660 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-14 23:24:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-14 23:24:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-14 23:24:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-14 23:24:22,661 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-14 23:24:22,662 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-14 23:24:22,663 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-14 23:24:22,667 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-14 23:24:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-14 23:24:22,668 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-14 23:24:22,669 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-14 23:24:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-14 23:24:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-14 23:24:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-14 23:24:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-14 23:24:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-14 23:24:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-14 23:24:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-14 23:24:22,676 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-14 23:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-14 23:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-14 23:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-14 23:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-14 23:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-14 23:24:22,677 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-14 23:24:22,678 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-14 23:24:22,679 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-14 23:24:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-14 23:24:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-14 23:24:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-14 23:24:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-14 23:24:22,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-14 23:24:22,681 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-14 23:24:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-14 23:24:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-14 23:24:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-14 23:24:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-14 23:24:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-14 23:24:22,682 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-14 23:24:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-14 23:24:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-14 23:24:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-14 23:24:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-14 23:24:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-14 23:24:22,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-14 23:24:22,684 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-14 23:24:22,685 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-14 23:24:22,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-14 23:24:22,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-14 23:24:24,621 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-14 23:24:24,622 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-14 23:24:24,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:24:24 BoogieIcfgContainer [2019-10-14 23:24:24,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-14 23:24:24,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-14 23:24:24,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-14 23:24:24,628 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-14 23:24:24,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.10 11:24:21" (1/3) ... [2019-10-14 23:24:24,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6caef921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:24:24, skipping insertion in model container [2019-10-14 23:24:24,630 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 11:24:22" (2/3) ... [2019-10-14 23:24:24,630 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6caef921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.10 11:24:24, skipping insertion in model container [2019-10-14 23:24:24,631 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 11:24:24" (3/3) ... [2019-10-14 23:24:24,632 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2019-10-14 23:24:24,643 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-14 23:24:24,655 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-14 23:24:24,667 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-14 23:24:24,703 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-14 23:24:24,704 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-14 23:24:24,704 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-14 23:24:24,704 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-14 23:24:24,704 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-14 23:24:24,704 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-14 23:24:24,704 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-14 23:24:24,704 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-14 23:24:24,730 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states. [2019-10-14 23:24:24,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-14 23:24:24,749 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:24,751 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:24,753 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:24,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:24,760 INFO L82 PathProgramCache]: Analyzing trace with hash -661231331, now seen corresponding path program 1 times [2019-10-14 23:24:24,769 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:24,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303185449] [2019-10-14 23:24:24,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:24,770 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:24,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,027 WARN L191 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 23:24:27,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:27,560 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:24:27,561 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303185449] [2019-10-14 23:24:27,561 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:27,562 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-14 23:24:27,562 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460255145] [2019-10-14 23:24:27,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-14 23:24:27,568 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:27,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-14 23:24:27,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-10-14 23:24:27,588 INFO L87 Difference]: Start difference. First operand 378 states. Second operand 10 states. [2019-10-14 23:24:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:37,424 INFO L93 Difference]: Finished difference Result 825 states and 1231 transitions. [2019-10-14 23:24:37,425 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-10-14 23:24:37,426 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2019-10-14 23:24:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:37,449 INFO L225 Difference]: With dead ends: 825 [2019-10-14 23:24:37,449 INFO L226 Difference]: Without dead ends: 617 [2019-10-14 23:24:37,455 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-10-14 23:24:37,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-10-14 23:24:37,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 348. [2019-10-14 23:24:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-10-14 23:24:37,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 457 transitions. [2019-10-14 23:24:37,698 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 457 transitions. Word has length 152 [2019-10-14 23:24:37,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:37,699 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 457 transitions. [2019-10-14 23:24:37,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-14 23:24:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 457 transitions. [2019-10-14 23:24:37,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-14 23:24:37,705 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:37,705 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:37,706 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:37,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:37,706 INFO L82 PathProgramCache]: Analyzing trace with hash 1396523732, now seen corresponding path program 1 times [2019-10-14 23:24:37,706 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:37,707 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928639986] [2019-10-14 23:24:37,707 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:37,707 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:37,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:37,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,302 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 23:24:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:39,721 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:24:39,722 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928639986] [2019-10-14 23:24:39,722 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:39,722 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:24:39,722 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012490848] [2019-10-14 23:24:39,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:24:39,729 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:39,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:24:39,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:24:39,730 INFO L87 Difference]: Start difference. First operand 348 states and 457 transitions. Second operand 11 states. [2019-10-14 23:24:43,946 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 526 [2019-10-14 23:24:53,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-14 23:24:53,846 INFO L93 Difference]: Finished difference Result 736 states and 1045 transitions. [2019-10-14 23:24:53,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-14 23:24:53,848 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2019-10-14 23:24:53,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-14 23:24:53,862 INFO L225 Difference]: With dead ends: 736 [2019-10-14 23:24:53,863 INFO L226 Difference]: Without dead ends: 620 [2019-10-14 23:24:53,865 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-10-14 23:24:53,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2019-10-14 23:24:54,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 350. [2019-10-14 23:24:54,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-10-14 23:24:54,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 459 transitions. [2019-10-14 23:24:54,012 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 459 transitions. Word has length 153 [2019-10-14 23:24:54,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-14 23:24:54,013 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 459 transitions. [2019-10-14 23:24:54,013 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-14 23:24:54,014 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 459 transitions. [2019-10-14 23:24:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-14 23:24:54,017 INFO L372 BasicCegarLoop]: Found error trace [2019-10-14 23:24:54,017 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-14 23:24:54,018 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-14 23:24:54,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-14 23:24:54,018 INFO L82 PathProgramCache]: Analyzing trace with hash -23728956, now seen corresponding path program 1 times [2019-10-14 23:24:54,018 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-14 23:24:54,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535401553] [2019-10-14 23:24:54,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:54,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-14 23:24:54,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-14 23:24:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,539 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 523 [2019-10-14 23:24:55,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-14 23:24:55,927 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-14 23:24:55,928 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535401553] [2019-10-14 23:24:55,928 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-14 23:24:55,928 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-14 23:24:55,929 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941572055] [2019-10-14 23:24:55,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-14 23:24:55,929 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-14 23:24:55,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-14 23:24:55,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-14 23:24:55,930 INFO L87 Difference]: Start difference. First operand 350 states and 459 transitions. Second operand 11 states. [2019-10-14 23:24:59,731 WARN L191 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 526