/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_spec1_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:40:51,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:40:51,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:40:51,583 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:40:51,584 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:40:51,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:40:51,587 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:40:51,589 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:40:51,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:40:51,591 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:40:51,592 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:40:51,593 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:40:51,593 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:40:51,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:40:51,595 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:40:51,596 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:40:51,597 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:40:51,598 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:40:51,600 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:40:51,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:40:51,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:40:51,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:40:51,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:40:51,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:40:51,608 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:40:51,608 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:40:51,608 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:40:51,609 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:40:51,610 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:40:51,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:40:51,611 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:40:51,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:40:51,612 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:40:51,613 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:40:51,615 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:40:51,615 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:40:51,616 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:40:51,616 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:40:51,616 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:40:51,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:40:51,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:40:51,623 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 21:40:51,645 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:40:51,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:40:51,647 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:40:51,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:40:51,647 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:40:51,647 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:40:51,648 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:40:51,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:40:51,648 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:40:51,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:40:51,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:40:51,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:40:51,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:40:51,649 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:40:51,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:40:51,649 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:40:51,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:40:51,650 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:40:51,650 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:40:51,650 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:40:51,650 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:40:51,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:40:51,651 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:40:51,651 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:40:51,651 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:40:51,651 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:40:51,651 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:40:51,652 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:40:51,652 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:40:51,928 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:40:51,941 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:40:51,944 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:40:51,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:40:51,946 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:40:51,947 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c [2019-11-06 21:40:52,003 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0edb9202b/6eb9d51c2fd74a45b3e26d39c2a68837/FLAGdee1a5f6d [2019-11-06 21:40:52,648 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:40:52,649 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product20.cil.c [2019-11-06 21:40:52,683 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0edb9202b/6eb9d51c2fd74a45b3e26d39c2a68837/FLAGdee1a5f6d [2019-11-06 21:40:52,830 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0edb9202b/6eb9d51c2fd74a45b3e26d39c2a68837 [2019-11-06 21:40:52,842 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:40:52,843 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:40:52,845 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:52,845 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:40:52,849 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:40:52,850 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:52" (1/1) ... [2019-11-06 21:40:52,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@651a291b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:52, skipping insertion in model container [2019-11-06 21:40:52,853 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:40:52" (1/1) ... [2019-11-06 21:40:52,863 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:40:52,945 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:40:53,724 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:40:53,740 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:40:53,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:40:54,008 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:40:54,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54 WrapperNode [2019-11-06 21:40:54,009 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:40:54,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:40:54,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:40:54,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:40:54,025 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,077 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,078 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,159 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,191 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (1/1) ... [2019-11-06 21:40:54,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:40:54,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:40:54,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:40:54,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:40:54,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (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 21:40:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:40:54,287 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:40:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:40:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:40:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:40:54,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:40:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:40:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:40:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:40:54,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:40:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:40:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:40:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:40:54,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:40:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:40:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:40:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:40:54,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:40:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:40:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:40:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:40:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:40:54,292 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:40:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:40:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:40:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:40:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:40:54,293 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:40:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:40:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-06 21:40:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-11-06 21:40:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:40:54,294 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:40:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:40:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:40:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:40:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:40:54,295 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:40:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:40:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:40:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-06 21:40:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-06 21:40:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:40:54,296 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:40:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:40:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:40:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:40:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:40:54,297 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:40:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:40:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:40:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:40:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:40:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:40:54,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:40:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:40:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:40:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:40:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:40:54,299 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:40:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:40:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:40:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:40:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:40:54,300 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:40:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:40:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:40:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:40:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-06 21:40:54,301 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-06 21:40:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:40:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:40:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:40:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:40:54,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:40:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:40:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:40:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:40:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:40:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:40:54,303 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:40:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:40:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:40:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:40:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:40:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:40:54,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:40:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:40:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:40:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:40:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:40:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:40:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:40:54,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:40:54,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:40:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:40:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:40:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:40:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:40:54,308 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:40:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:40:54,308 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:40:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:40:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:40:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:40:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:40:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:40:54,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:40:54,310 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:40:54,311 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:40:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:40:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:40:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:40:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:40:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:40:54,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:40:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:40:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:40:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:40:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:40:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:40:54,313 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:40:54,314 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-06 21:40:54,315 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-11-06 21:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-06 21:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-06 21:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-11-06 21:40:54,316 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:40:54,317 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:40:54,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:40:54,319 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:40:54,320 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:40:54,321 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:40:54,322 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:40:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:40:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:40:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:40:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:40:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:40:54,323 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:40:54,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:40:54,325 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:40:54,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:40:56,488 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:40:56,489 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:40:56,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:56 BoogieIcfgContainer [2019-11-06 21:40:56,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:40:56,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:40:56,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:40:56,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:40:56,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:40:52" (1/3) ... [2019-11-06 21:40:56,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320d3b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:56, skipping insertion in model container [2019-11-06 21:40:56,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:40:54" (2/3) ... [2019-11-06 21:40:56,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320d3b85 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:40:56, skipping insertion in model container [2019-11-06 21:40:56,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:40:56" (3/3) ... [2019-11-06 21:40:56,500 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product20.cil.c [2019-11-06 21:40:56,510 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:40:56,522 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:40:56,534 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:40:56,574 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:40:56,574 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:40:56,575 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:40:56,575 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:40:56,575 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:40:56,575 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:40:56,575 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:40:56,575 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:40:56,609 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states. [2019-11-06 21:40:56,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-06 21:40:56,631 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:40:56,633 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] [2019-11-06 21:40:56,635 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:40:56,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:40:56,641 INFO L82 PathProgramCache]: Analyzing trace with hash -165489832, now seen corresponding path program 1 times [2019-11-06 21:40:56,652 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:40:56,652 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456140683] [2019-11-06 21:40:56,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:40:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,265 WARN L191 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 550 [2019-11-06 21:40:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:40:59,719 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 21:40:59,720 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456140683] [2019-11-06 21:40:59,720 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:40:59,721 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-06 21:40:59,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681831359] [2019-11-06 21:40:59,727 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-06 21:40:59,727 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:40:59,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-06 21:40:59,740 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-06 21:40:59,741 INFO L87 Difference]: Start difference. First operand 559 states. Second operand 10 states. [2019-11-06 21:41:17,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:41:17,320 INFO L93 Difference]: Finished difference Result 1163 states and 1789 transitions. [2019-11-06 21:41:17,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-11-06 21:41:17,321 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 154 [2019-11-06 21:41:17,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:41:17,350 INFO L225 Difference]: With dead ends: 1163 [2019-11-06 21:41:17,350 INFO L226 Difference]: Without dead ends: 841 [2019-11-06 21:41:17,359 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2019-11-06 21:41:17,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2019-11-06 21:41:17,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 506. [2019-11-06 21:41:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 506 states. [2019-11-06 21:41:17,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 506 states to 506 states and 697 transitions. [2019-11-06 21:41:17,655 INFO L78 Accepts]: Start accepts. Automaton has 506 states and 697 transitions. Word has length 154 [2019-11-06 21:41:17,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:41:17,656 INFO L462 AbstractCegarLoop]: Abstraction has 506 states and 697 transitions. [2019-11-06 21:41:17,656 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-06 21:41:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 697 transitions. [2019-11-06 21:41:17,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-06 21:41:17,662 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:41:17,662 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] [2019-11-06 21:41:17,662 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:41:17,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:41:17,663 INFO L82 PathProgramCache]: Analyzing trace with hash 251195075, now seen corresponding path program 1 times [2019-11-06 21:41:17,663 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:41:17,663 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753992226] [2019-11-06 21:41:17,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:41:17,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,317 WARN L191 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 550 [2019-11-06 21:41:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:41:19,680 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 21:41:19,681 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753992226] [2019-11-06 21:41:19,681 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:41:19,681 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:41:19,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177493466] [2019-11-06 21:41:19,684 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:41:19,684 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:41:19,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:41:19,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:41:19,685 INFO L87 Difference]: Start difference. First operand 506 states and 697 transitions. Second operand 11 states. [2019-11-06 21:41:24,476 WARN L191 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 553