/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:38:40,219 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:38:40,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:38:40,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:38:40,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:38:40,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:38:40,240 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:38:40,242 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:38:40,245 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:38:40,246 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:38:40,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:38:40,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:38:40,252 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:38:40,253 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:38:40,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:38:40,256 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:38:40,257 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:38:40,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:38:40,260 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:38:40,261 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:38:40,263 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:38:40,264 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:38:40,265 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:38:40,265 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:38:40,268 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:38:40,268 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:38:40,268 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:38:40,269 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:38:40,269 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:38:40,270 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:38:40,270 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:38:40,271 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:38:40,272 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:38:40,272 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:38:40,273 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:38:40,274 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:38:40,274 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:38:40,274 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:38:40,275 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:38:40,275 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:38:40,276 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:38:40,277 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-06 21:38:40,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:38:40,295 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:38:40,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:38:40,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:38:40,297 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:38:40,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:38:40,298 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:38:40,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:38:40,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:38:40,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:38:40,300 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:38:40,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:38:40,301 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:38:40,301 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:38:40,301 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:38:40,301 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:38:40,301 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:38:40,302 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:38:40,302 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:38:40,302 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:38:40,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:38:40,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:38:40,303 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:38:40,590 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:38:40,614 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:38:40,618 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:38:40,619 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:38:40,620 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:38:40,620 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2019-11-06 21:38:40,695 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15efd62e/60ae1a793e7b4522b17038e1de678c5c/FLAGb20d1856b [2019-11-06 21:38:41,352 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:38:41,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product08.cil.c [2019-11-06 21:38:41,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15efd62e/60ae1a793e7b4522b17038e1de678c5c/FLAGb20d1856b [2019-11-06 21:38:41,534 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d15efd62e/60ae1a793e7b4522b17038e1de678c5c [2019-11-06 21:38:41,545 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:38:41,546 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:38:41,547 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:41,547 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:38:41,551 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:38:41,552 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:41" (1/1) ... [2019-11-06 21:38:41,555 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7babe2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:41, skipping insertion in model container [2019-11-06 21:38:41,555 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:38:41" (1/1) ... [2019-11-06 21:38:41,565 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:38:41,653 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:38:42,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:42,327 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:38:42,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:38:42,608 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:38:42,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42 WrapperNode [2019-11-06 21:38:42,610 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:38:42,610 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:38:42,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:38:42,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:38:42,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,687 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (1/1) ... [2019-11-06 21:38:42,791 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:38:42,792 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:38:42,792 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:38:42,792 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:38:42,793 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (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 21:38:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:38:42,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:38:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:38:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:38:42,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:38:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:38:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:38:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:38:42,866 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:38:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:38:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:38:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:38:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:38:42,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:38:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:38:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:38:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:38:42,868 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:38:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:38:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:38:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:38:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:38:42,869 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:38:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:38:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:38:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:38:42,870 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:38:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:38:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:38:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:38:42,871 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:38:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:38:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:38:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:38:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:38:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:38:42,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:38:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:38:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:38:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:38:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:38:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:38:42,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:38:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:38:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:38:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:38:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:38:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:38:42,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:38:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:38:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:38:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:38:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:38:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:38:42,875 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-11-06 21:38:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:38:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:38:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:38:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:38:42,876 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:38:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:38:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:38:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:38:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:38:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:38:42,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:38:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:38:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:38:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:38:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:42,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:38:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:38:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:38:42,879 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:38:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:38:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:38:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:38:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:38:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:38:42,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:38:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:38:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:38:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:38:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:38:42,881 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:38:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:38:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:38:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:38:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:38:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:38:42,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:38:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:38:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:38:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:38:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:38:42,883 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:38:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:38:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:38:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:38:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:38:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:42,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:38:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:38:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:38:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:38:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:38:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:38:42,885 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:38:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:38:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:38:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:38:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:38:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:38:42,886 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:38:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:38:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:38:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:38:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:38:42,887 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:38:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:38:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:38:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:38:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:38:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:38:42,888 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:38:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:38:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:38:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:38:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:38:42,889 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:38:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:38:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:38:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:38:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:38:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:38:42,890 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:38:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:38:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:38:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:38:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:38:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:38:42,891 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:38:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:38:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:38:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:38:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:38:42,892 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:38:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:38:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:38:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:38:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:38:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:38:42,893 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:38:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:38:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:38:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:38:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:38:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:38:42,894 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:38:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:38:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:38:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:38:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:38:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:38:42,895 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:38:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:38:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:38:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:38:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:38:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:38:42,896 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:38:42,897 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:38:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-11-06 21:38:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-11-06 21:38:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:38:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:38:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:38:42,898 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:38:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:38:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:38:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:38:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:38:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:38:42,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:38:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:38:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:38:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:38:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:38:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:38:42,900 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:38:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:38:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:38:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:38:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:38:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:38:42,901 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:38:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:38:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:38:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:38:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:38:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:38:42,902 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:38:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:38:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:38:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:38:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:38:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:38:42,903 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:38:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:38:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:38:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:38:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:38:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:38:42,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:38:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:38:42,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:38:44,751 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:38:44,751 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:38:44,753 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:44 BoogieIcfgContainer [2019-11-06 21:38:44,754 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:38:44,755 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:38:44,755 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:38:44,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:38:44,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:38:41" (1/3) ... [2019-11-06 21:38:44,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53692d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:44, skipping insertion in model container [2019-11-06 21:38:44,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:38:42" (2/3) ... [2019-11-06 21:38:44,760 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53692d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:38:44, skipping insertion in model container [2019-11-06 21:38:44,760 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:38:44" (3/3) ... [2019-11-06 21:38:44,763 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product08.cil.c [2019-11-06 21:38:44,773 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:38:44,789 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:38:44,800 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:38:44,844 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:38:44,844 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:38:44,845 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:38:44,845 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:38:44,845 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:38:44,845 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:38:44,845 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:38:44,845 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:38:44,884 INFO L276 IsEmpty]: Start isEmpty. Operand 378 states. [2019-11-06 21:38:44,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-06 21:38:44,922 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:44,924 INFO L410 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] [2019-11-06 21:38:44,927 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:44,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:44,934 INFO L82 PathProgramCache]: Analyzing trace with hash -661231331, now seen corresponding path program 1 times [2019-11-06 21:38:44,945 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:44,945 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630594026] [2019-11-06 21:38:44,946 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,147 WARN L191 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 523 [2019-11-06 21:38:47,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:47,510 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:38:47,511 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630594026] [2019-11-06 21:38:47,511 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:47,512 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:38:47,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [894653040] [2019-11-06 21:38:47,518 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:38:47,518 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:47,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:38:47,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:38:47,535 INFO L87 Difference]: Start difference. First operand 378 states. Second operand 10 states. [2019-11-06 21:38:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:38:57,356 INFO L93 Difference]: Finished difference Result 825 states and 1231 transitions. [2019-11-06 21:38:57,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 21:38:57,358 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2019-11-06 21:38:57,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:38:57,382 INFO L225 Difference]: With dead ends: 825 [2019-11-06 21:38:57,383 INFO L226 Difference]: Without dead ends: 617 [2019-11-06 21:38:57,389 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:38:57,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2019-11-06 21:38:57,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 348. [2019-11-06 21:38:57,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2019-11-06 21:38:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 457 transitions. [2019-11-06 21:38:57,605 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 457 transitions. Word has length 152 [2019-11-06 21:38:57,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:38:57,606 INFO L462 AbstractCegarLoop]: Abstraction has 348 states and 457 transitions. [2019-11-06 21:38:57,606 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:38:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 457 transitions. [2019-11-06 21:38:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-06 21:38:57,613 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:38:57,613 INFO L410 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] [2019-11-06 21:38:57,614 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:38:57,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:38:57,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1396523732, now seen corresponding path program 1 times [2019-11-06 21:38:57,614 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:38:57,615 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352564713] [2019-11-06 21:38:57,615 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:38:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,128 WARN L191 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 523 [2019-11-06 21:38:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:38:59,479 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:38:59,480 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352564713] [2019-11-06 21:38:59,480 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:38:59,480 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:38:59,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953589770] [2019-11-06 21:38:59,482 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:38:59,483 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:38:59,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:38:59,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:38:59,484 INFO L87 Difference]: Start difference. First operand 348 states and 457 transitions. Second operand 11 states. [2019-11-06 21:39:03,555 WARN L191 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 526 [2019-11-06 21:39:13,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:39:13,677 INFO L93 Difference]: Finished difference Result 736 states and 1045 transitions. [2019-11-06 21:39:13,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-11-06 21:39:13,682 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 153 [2019-11-06 21:39:13,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:39:13,693 INFO L225 Difference]: With dead ends: 736 [2019-11-06 21:39:13,693 INFO L226 Difference]: Without dead ends: 620 [2019-11-06 21:39:13,696 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=106, Invalid=200, Unknown=0, NotChecked=0, Total=306 [2019-11-06 21:39:13,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2019-11-06 21:39:13,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 350. [2019-11-06 21:39:13,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-11-06 21:39:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 459 transitions. [2019-11-06 21:39:13,851 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 459 transitions. Word has length 153 [2019-11-06 21:39:13,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:39:13,852 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 459 transitions. [2019-11-06 21:39:13,852 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:39:13,852 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 459 transitions. [2019-11-06 21:39:13,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-11-06 21:39:13,855 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:39:13,855 INFO L410 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] [2019-11-06 21:39:13,856 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:39:13,856 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:39:13,856 INFO L82 PathProgramCache]: Analyzing trace with hash -23728956, now seen corresponding path program 1 times [2019-11-06 21:39:13,856 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:39:13,856 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799656166] [2019-11-06 21:39:13,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:39:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,359 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 523 [2019-11-06 21:39:15,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:39:15,708 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-06 21:39:15,709 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799656166] [2019-11-06 21:39:15,709 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:39:15,709 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:39:15,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287818200] [2019-11-06 21:39:15,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:39:15,712 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:39:15,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:39:15,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:39:15,713 INFO L87 Difference]: Start difference. First operand 350 states and 459 transitions. Second operand 11 states. [2019-11-06 21:39:19,126 WARN L191 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 526