/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_spec8_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-06 21:50:28,596 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-06 21:50:28,598 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-06 21:50:28,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-06 21:50:28,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-06 21:50:28,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-06 21:50:28,616 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-06 21:50:28,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-06 21:50:28,629 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-06 21:50:28,630 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-06 21:50:28,631 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-06 21:50:28,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-06 21:50:28,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-06 21:50:28,633 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-06 21:50:28,635 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-06 21:50:28,636 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-06 21:50:28,637 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-06 21:50:28,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-06 21:50:28,640 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-06 21:50:28,641 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-06 21:50:28,643 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-06 21:50:28,644 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-06 21:50:28,645 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-06 21:50:28,645 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-06 21:50:28,650 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-06 21:50:28,650 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-06 21:50:28,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-06 21:50:28,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-06 21:50:28,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-06 21:50:28,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-06 21:50:28,655 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-06 21:50:28,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-06 21:50:28,658 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-06 21:50:28,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-06 21:50:28,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-06 21:50:28,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-06 21:50:28,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-06 21:50:28,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-06 21:50:28,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-06 21:50:28,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-06 21:50:28,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-06 21:50:28,671 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 21:50:28,691 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-06 21:50:28,691 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-06 21:50:28,693 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-06 21:50:28,693 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-06 21:50:28,693 INFO L138 SettingsManager]: * Use SBE=true [2019-11-06 21:50:28,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-06 21:50:28,694 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-06 21:50:28,694 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-06 21:50:28,694 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-06 21:50:28,694 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-06 21:50:28,694 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-06 21:50:28,695 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-06 21:50:28,695 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-06 21:50:28,695 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-06 21:50:28,695 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-06 21:50:28,695 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-06 21:50:28,696 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-06 21:50:28,696 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-06 21:50:28,696 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-06 21:50:28,696 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-06 21:50:28,696 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-06 21:50:28,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-06 21:50:28,697 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-06 21:50:28,697 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-06 21:50:28,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-06 21:50:28,698 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-06 21:50:28,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-06 21:50:28,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-06 21:50:28,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-06 21:50:28,972 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-06 21:50:28,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-06 21:50:28,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-06 21:50:28,994 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-06 21:50:28,994 INFO L275 PluginConnector]: CDTParser initialized [2019-11-06 21:50:28,995 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-11-06 21:50:29,059 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00dd60206/3ed702e4e96c4badbadd11e630deaf67/FLAG83515f2f4 [2019-11-06 21:50:29,634 INFO L306 CDTParser]: Found 1 translation units. [2019-11-06 21:50:29,639 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product28.cil.c [2019-11-06 21:50:29,672 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00dd60206/3ed702e4e96c4badbadd11e630deaf67/FLAG83515f2f4 [2019-11-06 21:50:29,854 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/00dd60206/3ed702e4e96c4badbadd11e630deaf67 [2019-11-06 21:50:29,863 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-06 21:50:29,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-06 21:50:29,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-06 21:50:29,866 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-06 21:50:29,869 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-06 21:50:29,870 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:50:29" (1/1) ... [2019-11-06 21:50:29,872 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@198c92c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:29, skipping insertion in model container [2019-11-06 21:50:29,872 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 09:50:29" (1/1) ... [2019-11-06 21:50:29,878 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-06 21:50:29,964 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-06 21:50:30,594 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:50:30,612 INFO L188 MainTranslator]: Completed pre-run [2019-11-06 21:50:30,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-06 21:50:30,818 INFO L192 MainTranslator]: Completed translation [2019-11-06 21:50:30,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30 WrapperNode [2019-11-06 21:50:30,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-06 21:50:30,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-06 21:50:30,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-06 21:50:30,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-06 21:50:30,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,834 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,866 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,866 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,927 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (1/1) ... [2019-11-06 21:50:30,992 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-06 21:50:30,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-06 21:50:30,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-06 21:50:30,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-06 21:50:30,994 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (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 21:50:31,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-06 21:50:31,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-06 21:50:31,102 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-06 21:50:31,102 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-06 21:50:31,103 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-06 21:50:31,104 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-06 21:50:31,104 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-06 21:50:31,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-06 21:50:31,104 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-06 21:50:31,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-11-06 21:50:31,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-11-06 21:50:31,105 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-06 21:50:31,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-06 21:50:31,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-06 21:50:31,107 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-06 21:50:31,107 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-06 21:50:31,109 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-06 21:50:31,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-11-06 21:50:31,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-11-06 21:50:31,110 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-06 21:50:31,110 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-06 21:50:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-06 21:50:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-06 21:50:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-06 21:50:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-06 21:50:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-06 21:50:31,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-06 21:50:31,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-06 21:50:31,112 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-06 21:50:31,112 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-06 21:50:31,112 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-06 21:50:31,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-06 21:50:31,113 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-06 21:50:31,113 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-06 21:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-06 21:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-06 21:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-06 21:50:31,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-06 21:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-06 21:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-06 21:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-06 21:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-06 21:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-06 21:50:31,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-06 21:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-06 21:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-06 21:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-06 21:50:31,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-06 21:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-06 21:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-06 21:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-06 21:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-06 21:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-06 21:50:31,117 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-06 21:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-06 21:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-06 21:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-06 21:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-06 21:50:31,118 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-06 21:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-06 21:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-06 21:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-06 21:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-06 21:50:31,119 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-06 21:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-06 21:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-06 21:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-06 21:50:31,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-06 21:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-06 21:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-06 21:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-06 21:50:31,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-06 21:50:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-06 21:50:31,122 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-06 21:50:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-06 21:50:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-06 21:50:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-06 21:50:31,123 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-06 21:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-06 21:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-06 21:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-06 21:50:31,124 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-06 21:50:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-06 21:50:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-06 21:50:31,125 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-06 21:50:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-06 21:50:31,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-06 21:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-06 21:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-06 21:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-06 21:50:31,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-06 21:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-06 21:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-06 21:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-06 21:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-06 21:50:31,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-06 21:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-06 21:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-06 21:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-06 21:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-06 21:50:31,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-06 21:50:31,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-06 21:50:31,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-06 21:50:31,130 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-06 21:50:31,130 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-06 21:50:31,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-06 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-06 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-06 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-06 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-06 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-06 21:50:31,131 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-06 21:50:31,132 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-06 21:50:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-06 21:50:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-06 21:50:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-06 21:50:31,132 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-06 21:50:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-06 21:50:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-06 21:50:31,133 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-06 21:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-06 21:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-06 21:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-06 21:50:31,134 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-06 21:50:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-06 21:50:31,135 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-06 21:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-06 21:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-06 21:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-06 21:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-06 21:50:31,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-06 21:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-06 21:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-06 21:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-06 21:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-06 21:50:31,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-06 21:50:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-06 21:50:31,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-06 21:50:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-06 21:50:31,139 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-06 21:50:31,142 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-06 21:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-06 21:50:31,143 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-06 21:50:31,144 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-06 21:50:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-06 21:50:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-11-06 21:50:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-11-06 21:50:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-06 21:50:31,146 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-06 21:50:31,147 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-06 21:50:31,148 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-06 21:50:31,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-06 21:50:31,150 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-06 21:50:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-06 21:50:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-06 21:50:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-06 21:50:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-06 21:50:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-06 21:50:31,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-06 21:50:31,152 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-06 21:50:31,153 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-06 21:50:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-06 21:50:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-06 21:50:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-06 21:50:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-06 21:50:31,154 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-06 21:50:31,155 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-06 21:50:31,156 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-06 21:50:31,157 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-06 21:50:31,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-06 21:50:31,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-06 21:50:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-06 21:50:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-06 21:50:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-06 21:50:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-06 21:50:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-06 21:50:31,160 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-06 21:50:33,457 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-06 21:50:33,457 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-06 21:50:33,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:50:33 BoogieIcfgContainer [2019-11-06 21:50:33,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-06 21:50:33,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-06 21:50:33,461 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-06 21:50:33,464 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-06 21:50:33,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 09:50:29" (1/3) ... [2019-11-06 21:50:33,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6732e871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:50:33, skipping insertion in model container [2019-11-06 21:50:33,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 09:50:30" (2/3) ... [2019-11-06 21:50:33,466 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6732e871 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 09:50:33, skipping insertion in model container [2019-11-06 21:50:33,466 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 09:50:33" (3/3) ... [2019-11-06 21:50:33,467 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product28.cil.c [2019-11-06 21:50:33,479 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-06 21:50:33,489 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-06 21:50:33,500 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-06 21:50:33,530 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-06 21:50:33,530 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-06 21:50:33,530 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-06 21:50:33,531 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-06 21:50:33,531 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-06 21:50:33,531 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-06 21:50:33,531 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-06 21:50:33,531 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-06 21:50:33,561 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states. [2019-11-06 21:50:33,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-06 21:50:33,581 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:50:33,582 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] [2019-11-06 21:50:33,584 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:50:33,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:50:33,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1787555890, now seen corresponding path program 1 times [2019-11-06 21:50:33,600 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:50:33,601 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884312465] [2019-11-06 21:50:33,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:50:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,001 WARN L191 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 568 [2019-11-06 21:50:36,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:36,464 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 21:50:36,464 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1884312465] [2019-11-06 21:50:36,465 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:50:36,465 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-11-06 21:50:36,466 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721077000] [2019-11-06 21:50:36,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-11-06 21:50:36,471 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:50:36,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-11-06 21:50:36,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2019-11-06 21:50:36,487 INFO L87 Difference]: Start difference. First operand 513 states. Second operand 11 states. [2019-11-06 21:50:50,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:50:50,061 INFO L93 Difference]: Finished difference Result 1166 states and 1714 transitions. [2019-11-06 21:50:50,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2019-11-06 21:50:50,064 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 158 [2019-11-06 21:50:50,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:50:50,104 INFO L225 Difference]: With dead ends: 1166 [2019-11-06 21:50:50,105 INFO L226 Difference]: Without dead ends: 765 [2019-11-06 21:50:50,118 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 488 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=419, Invalid=1303, Unknown=0, NotChecked=0, Total=1722 [2019-11-06 21:50:50,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2019-11-06 21:50:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 462. [2019-11-06 21:50:50,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2019-11-06 21:50:50,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 615 transitions. [2019-11-06 21:50:50,383 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 615 transitions. Word has length 158 [2019-11-06 21:50:50,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:50:50,384 INFO L462 AbstractCegarLoop]: Abstraction has 462 states and 615 transitions. [2019-11-06 21:50:50,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-11-06 21:50:50,384 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 615 transitions. [2019-11-06 21:50:50,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-06 21:50:50,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:50:50,390 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] [2019-11-06 21:50:50,390 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:50:50,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:50:50,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1218576711, now seen corresponding path program 1 times [2019-11-06 21:50:50,391 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:50:50,391 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541300910] [2019-11-06 21:50:50,391 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-06 21:50:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,150 WARN L191 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 568 [2019-11-06 21:50:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-06 21:50:52,561 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 21:50:52,561 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541300910] [2019-11-06 21:50:52,561 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-06 21:50:52,561 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-11-06 21:50:52,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216609845] [2019-11-06 21:50:52,574 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-11-06 21:50:52,575 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-06 21:50:52,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-11-06 21:50:52,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2019-11-06 21:50:52,576 INFO L87 Difference]: Start difference. First operand 462 states and 615 transitions. Second operand 12 states. [2019-11-06 21:50:57,666 WARN L191 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 571 [2019-11-06 21:51:10,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-06 21:51:10,944 INFO L93 Difference]: Finished difference Result 1009 states and 1418 transitions. [2019-11-06 21:51:10,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-11-06 21:51:10,944 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 159 [2019-11-06 21:51:10,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-06 21:51:10,951 INFO L225 Difference]: With dead ends: 1009 [2019-11-06 21:51:10,951 INFO L226 Difference]: Without dead ends: 768 [2019-11-06 21:51:10,953 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=176, Invalid=376, Unknown=0, NotChecked=0, Total=552 [2019-11-06 21:51:10,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 768 states. [2019-11-06 21:51:11,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 768 to 464. [2019-11-06 21:51:11,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 464 states. [2019-11-06 21:51:11,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 617 transitions. [2019-11-06 21:51:11,210 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 617 transitions. Word has length 159 [2019-11-06 21:51:11,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-06 21:51:11,211 INFO L462 AbstractCegarLoop]: Abstraction has 464 states and 617 transitions. [2019-11-06 21:51:11,212 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-11-06 21:51:11,212 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 617 transitions. [2019-11-06 21:51:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-06 21:51:11,219 INFO L402 BasicCegarLoop]: Found error trace [2019-11-06 21:51:11,219 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-06 21:51:11,221 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-06 21:51:11,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-06 21:51:11,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1138420005, now seen corresponding path program 1 times [2019-11-06 21:51:11,222 INFO L161 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-06 21:51:11,222 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274256975] [2019-11-06 21:51:11,222 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY