/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_spec27_product13.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:42:06,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:42:06,149 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:42:06,161 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:42:06,162 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:42:06,163 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:42:06,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:42:06,166 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:42:06,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:42:06,168 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:42:06,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:42:06,170 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:42:06,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:42:06,172 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:42:06,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:42:06,173 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:42:06,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:42:06,175 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:42:06,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:42:06,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:42:06,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:42:06,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:42:06,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:42:06,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:42:06,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:42:06,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:42:06,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:42:06,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:42:06,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:42:06,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:42:06,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:42:06,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:42:06,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:42:06,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:42:06,202 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:42:06,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:42:06,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:42:06,206 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:42:06,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:42:06,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:42:06,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:42:06,211 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 21:42:06,224 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:42:06,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:42:06,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:42:06,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:42:06,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:42:06,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:42:06,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:42:06,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:42:06,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:42:06,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:42:06,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:42:06,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:42:06,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:42:06,227 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:42:06,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:42:06,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:42:06,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:42:06,228 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:42:06,228 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:42:06,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:42:06,229 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:42:06,229 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:42:06,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:42:06,229 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:42:06,230 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:42:06,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:42:06,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:42:06,230 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:42:06,230 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:42:06,486 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:42:06,503 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:42:06,508 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:42:06,510 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:42:06,510 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:42:06,511 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c [2019-11-06 21:42:06,589 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fbfd1ca/3c1960fad358439a85d86405ec20115e/FLAG1b6b58d12 [2019-11-06 21:42:07,202 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:42:07,203 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec27_product13.cil.c [2019-11-06 21:42:07,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fbfd1ca/3c1960fad358439a85d86405ec20115e/FLAG1b6b58d12 [2019-11-06 21:42:07,416 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34fbfd1ca/3c1960fad358439a85d86405ec20115e [2019-11-06 21:42:07,426 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:42:07,427 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:42:07,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:42:07,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:42:07,432 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:42:07,433 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:42:07" (1/1) ... [2019-11-06 21:42:07,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@244b061f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:07, skipping insertion in model container [2019-11-06 21:42:07,437 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:42:07" (1/1) ... [2019-11-06 21:42:07,443 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:42:07,518 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:42:08,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:42:08,340 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:42:08,493 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:42:08,573 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:42:08,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08 WrapperNode [2019-11-06 21:42:08,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:42:08,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:42:08,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:42:08,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:42:08,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,622 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (1/1) ... [2019-11-06 21:42:08,772 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:42:08,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:42:08,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:42:08,773 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:42:08,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (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 21:42:08,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:42:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:42:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:42:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:42:08,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:42:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:42:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:42:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:42:08,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:42:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:42:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:42:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:42:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:42:08,847 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:42:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:42:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:42:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:42:08,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:42:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:42:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:42:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:42:08,849 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:42:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:42:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:42:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:42:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:42:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:42:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:42:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:42:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:42:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:42:08,851 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:42:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:42:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:42:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:42:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:42:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:42:08,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:42:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:42:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:42:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:42:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:42:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:42:08,853 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:42:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:42:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:42:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:42:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:42:08,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:42:08,855 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:42:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:42:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:42:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:42:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:42:08,856 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:42:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:42:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:42:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:42:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:42:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:42:08,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:42:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:42:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:42:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:42:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:42:08,858 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:42:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:42:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:42:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:42:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:42:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:42:08,859 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:42:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:42:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:42:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:42:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:42:08,860 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:42:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:42:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__VerifyForward_spec__1 [2019-11-06 21:42:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:42:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:42:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:42:08,861 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:42:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:42:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:42:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:42:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:42:08,862 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:42:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:42:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:42:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:42:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:42:08,863 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:42:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:42:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:42:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:42:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:42:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:42:08,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:42:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:42:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:42:08,865 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:42:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:42:08,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:42:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:42:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:42:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:42:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:42:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:42:08,866 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:42:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:42:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:42:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:42:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:42:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:42:08,867 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:42:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:42:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:42:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:42:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:42:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:42:08,868 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:42:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:42:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:42:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:42:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:42:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:42:08,869 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:42:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:42:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:42:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:42:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:42:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:42:08,870 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:42:08,871 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:42:08,872 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:42:08,873 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:42:08,874 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__VerifyForward_spec__1 [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:42:08,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:42:08,876 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:42:08,877 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:42:08,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:42:08,879 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:42:08,880 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:42:08,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:42:08,882 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:42:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:42:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:42:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:42:08,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:42:10,896 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:42:10,896 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:42:10,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:42:10 BoogieIcfgContainer [2019-11-06 21:42:10,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:42:10,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:42:10,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:42:10,903 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:42:10,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:42:07" (1/3) ... [2019-11-06 21:42:10,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0bc089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:42:10, skipping insertion in model container [2019-11-06 21:42:10,905 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:42:08" (2/3) ... [2019-11-06 21:42:10,905 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0bc089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:42:10, skipping insertion in model container [2019-11-06 21:42:10,906 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:42:10" (3/3) ... [2019-11-06 21:42:10,907 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec27_product13.cil.c [2019-11-06 21:42:10,918 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:42:10,931 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:42:10,942 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:42:10,979 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:42:10,979 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:42:10,979 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:42:10,979 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:42:10,979 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:42:10,979 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:42:10,979 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:42:10,980 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:42:11,010 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states. [2019-11-06 21:42:11,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-06 21:42:11,038 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:42:11,039 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, 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 21:42:11,041 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:42:11,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:42:11,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1066825624, now seen corresponding path program 1 times [2019-11-06 21:42:11,058 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:42:11,058 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329401567] [2019-11-06 21:42:11,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:42:11,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,324 WARN L191 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 535 [2019-11-06 21:42:13,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:13,758 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 21:42:13,759 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329401567] [2019-11-06 21:42:13,759 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:42:13,760 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:42:13,761 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820138838] [2019-11-06 21:42:13,768 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:42:13,769 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:42:13,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:42:13,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:42:13,783 INFO L87 Difference]: Start difference. First operand 449 states. Second operand 12 states. [2019-11-06 21:42:33,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:42:33,634 INFO L93 Difference]: Finished difference Result 1292 states and 2018 transitions. [2019-11-06 21:42:33,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2019-11-06 21:42:33,636 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 177 [2019-11-06 21:42:33,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:42:33,662 INFO L225 Difference]: With dead ends: 1292 [2019-11-06 21:42:33,662 INFO L226 Difference]: Without dead ends: 798 [2019-11-06 21:42:33,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2333 ImplicationChecksByTransitivity, 4.6s TimeCoverageRelationStatistics Valid=1215, Invalid=5427, Unknown=0, NotChecked=0, Total=6642 [2019-11-06 21:42:33,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2019-11-06 21:42:33,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 409. [2019-11-06 21:42:33,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 409 states. [2019-11-06 21:42:33,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 544 transitions. [2019-11-06 21:42:33,986 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 544 transitions. Word has length 177 [2019-11-06 21:42:33,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:42:33,987 INFO L462 AbstractCegarLoop]: Abstraction has 409 states and 544 transitions. [2019-11-06 21:42:33,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:42:33,987 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 544 transitions. [2019-11-06 21:42:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-06 21:42:33,994 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:42:33,994 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, 1, 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 21:42:33,994 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:42:33,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:42:33,995 INFO L82 PathProgramCache]: Analyzing trace with hash -455066040, now seen corresponding path program 1 times [2019-11-06 21:42:33,995 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:42:33,995 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974040010] [2019-11-06 21:42:33,996 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:42:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,546 WARN L191 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 535 [2019-11-06 21:42:35,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:42:35,954 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 21:42:35,954 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974040010] [2019-11-06 21:42:35,954 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:42:35,955 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-11-06 21:42:35,955 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178793336] [2019-11-06 21:42:35,971 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-11-06 21:42:35,971 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:42:35,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-11-06 21:42:35,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2019-11-06 21:42:35,972 INFO L87 Difference]: Start difference. First operand 409 states and 544 transitions. Second operand 13 states. [2019-11-06 21:42:40,080 WARN L191 SmtUtils]: Spent 1.38 s on a formula simplification that was a NOOP. DAG size: 538