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/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:51:21,718 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:21,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:21,733 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:21,733 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:21,734 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:21,735 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:21,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:21,739 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:21,740 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:21,741 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:21,742 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:21,742 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:21,743 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:21,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:21,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:21,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:21,747 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:21,749 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:21,754 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:21,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:21,757 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:21,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:21,760 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:21,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:21,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:21,769 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:21,770 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:21,771 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:21,773 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:21,773 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:21,774 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:21,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:21,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:21,779 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:21,779 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:21,780 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:21,780 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:21,780 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:21,781 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:21,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:21,789 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:51:21,813 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:21,813 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:21,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:21,815 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:21,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:21,816 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:21,816 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:21,816 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:21,816 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:21,817 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:21,819 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:21,820 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:21,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:21,820 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:21,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:21,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:21,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:21,821 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:21,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:21,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:21,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:21,822 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:21,823 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:21,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:21,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:21,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:21,824 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:21,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:21,824 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:21,824 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:21,882 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:21,899 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:21,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:21,907 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:21,907 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:21,908 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2019-10-03 02:51:21,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cdbcca3/76cb66aac7b74f63984d4931c4ac43cc/FLAG815cb3795 [2019-10-03 02:51:22,509 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:22,510 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product21.cil.c [2019-10-03 02:51:22,546 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cdbcca3/76cb66aac7b74f63984d4931c4ac43cc/FLAG815cb3795 [2019-10-03 02:51:22,728 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2cdbcca3/76cb66aac7b74f63984d4931c4ac43cc [2019-10-03 02:51:22,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:22,740 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:22,741 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:22,741 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:22,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:22,745 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:22" (1/1) ... [2019-10-03 02:51:22,748 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36273162 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:22, skipping insertion in model container [2019-10-03 02:51:22,749 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:22" (1/1) ... [2019-10-03 02:51:22,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:22,822 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:23,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:23,530 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:23,694 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:23,781 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:23,782 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23 WrapperNode [2019-10-03 02:51:23,783 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:23,783 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:23,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:23,784 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:23,798 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:23,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:23,830 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:23,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:23,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:23,960 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:23,984 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... [2019-10-03 02:51:24,010 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:24,014 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:24,014 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:24,015 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:24,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:24,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:24,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:24,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:24,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:24,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:24,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:24,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:24,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:24,108 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:51:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:51:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:24,109 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:24,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:24,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:51:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:51:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:51:24,112 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:24,113 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:24,114 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:24,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:24,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:24,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:24,120 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:24,121 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:24,121 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:24,122 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:24,123 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:24,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:24,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:24,126 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:24,127 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:24,128 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:51:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:51:24,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:24,129 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:24,130 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:24,131 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:24,132 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:24,133 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:24,134 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:24,135 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:24,136 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:24,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:24,140 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:24,141 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:51:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:51:24,148 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:24,149 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:51:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:51:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:24,150 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:24,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:24,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:24,153 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:24,154 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:24,155 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:51:24,156 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:51:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:51:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:51:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:51:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:51:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:24,157 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:24,158 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:24,159 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:24,160 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:24,161 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:24,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:24,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:26,394 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:26,394 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:26,396 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:26 BoogieIcfgContainer [2019-10-03 02:51:26,396 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:26,398 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:26,398 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:26,401 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:26,401 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:22" (1/3) ... [2019-10-03 02:51:26,402 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b45e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:26, skipping insertion in model container [2019-10-03 02:51:26,402 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:23" (2/3) ... [2019-10-03 02:51:26,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b45e2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:26, skipping insertion in model container [2019-10-03 02:51:26,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:26" (3/3) ... [2019-10-03 02:51:26,405 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product21.cil.c [2019-10-03 02:51:26,415 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:26,425 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:26,442 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:26,471 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:26,471 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:26,471 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:26,471 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:26,472 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:26,472 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:26,472 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:26,472 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:26,502 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states. [2019-10-03 02:51:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:51:26,528 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:26,529 INFO L411 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] [2019-10-03 02:51:26,532 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:26,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:26,538 INFO L82 PathProgramCache]: Analyzing trace with hash 1310424730, now seen corresponding path program 1 times [2019-10-03 02:51:26,541 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:26,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:26,603 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:26,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:26,603 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:26,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:27,264 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:27,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:27,268 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:27,268 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:27,276 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:27,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:27,294 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:27,296 INFO L87 Difference]: Start difference. First operand 569 states. Second operand 2 states. [2019-10-03 02:51:27,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:27,396 INFO L93 Difference]: Finished difference Result 549 states and 749 transitions. [2019-10-03 02:51:27,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:27,398 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:51:27,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:27,432 INFO L225 Difference]: With dead ends: 549 [2019-10-03 02:51:27,432 INFO L226 Difference]: Without dead ends: 540 [2019-10-03 02:51:27,436 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:27,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2019-10-03 02:51:27,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 540. [2019-10-03 02:51:27,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 540 states. [2019-10-03 02:51:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 738 transitions. [2019-10-03 02:51:27,540 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 738 transitions. Word has length 154 [2019-10-03 02:51:27,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:27,542 INFO L475 AbstractCegarLoop]: Abstraction has 540 states and 738 transitions. [2019-10-03 02:51:27,542 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 738 transitions. [2019-10-03 02:51:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-03 02:51:27,549 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:27,549 INFO L411 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] [2019-10-03 02:51:27,550 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:27,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:27,550 INFO L82 PathProgramCache]: Analyzing trace with hash 684326183, now seen corresponding path program 1 times [2019-10-03 02:51:27,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:27,555 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:27,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:27,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:27,556 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:27,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:27,832 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:27,832 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:27,832 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:27,832 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:27,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:27,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:27,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:27,840 INFO L87 Difference]: Start difference. First operand 540 states and 738 transitions. Second operand 3 states. [2019-10-03 02:51:27,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:27,895 INFO L93 Difference]: Finished difference Result 543 states and 741 transitions. [2019-10-03 02:51:27,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:27,897 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-03 02:51:27,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:27,906 INFO L225 Difference]: With dead ends: 543 [2019-10-03 02:51:27,907 INFO L226 Difference]: Without dead ends: 543 [2019-10-03 02:51:27,908 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:27,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2019-10-03 02:51:27,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 542. [2019-10-03 02:51:27,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-03 02:51:27,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 740 transitions. [2019-10-03 02:51:27,950 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 740 transitions. Word has length 155 [2019-10-03 02:51:27,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:27,951 INFO L475 AbstractCegarLoop]: Abstraction has 542 states and 740 transitions. [2019-10-03 02:51:27,951 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:27,951 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 740 transitions. [2019-10-03 02:51:27,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:51:27,955 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:27,956 INFO L411 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] [2019-10-03 02:51:27,956 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:27,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:27,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1057468101, now seen corresponding path program 1 times [2019-10-03 02:51:27,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:27,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:27,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:27,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:27,962 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:28,127 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:51:28,127 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:28,127 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:28,128 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:28,128 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:28,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:28,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:28,129 INFO L87 Difference]: Start difference. First operand 542 states and 740 transitions. Second operand 3 states. [2019-10-03 02:51:28,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:28,155 INFO L93 Difference]: Finished difference Result 585 states and 813 transitions. [2019-10-03 02:51:28,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:28,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:51:28,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:28,160 INFO L225 Difference]: With dead ends: 585 [2019-10-03 02:51:28,161 INFO L226 Difference]: Without dead ends: 585 [2019-10-03 02:51:28,161 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:28,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2019-10-03 02:51:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 584. [2019-10-03 02:51:28,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2019-10-03 02:51:28,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 812 transitions. [2019-10-03 02:51:28,191 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 812 transitions. Word has length 161 [2019-10-03 02:51:28,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:28,192 INFO L475 AbstractCegarLoop]: Abstraction has 584 states and 812 transitions. [2019-10-03 02:51:28,192 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:28,192 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 812 transitions. [2019-10-03 02:51:28,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:51:28,196 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:28,197 INFO L411 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] [2019-10-03 02:51:28,197 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:28,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash 521417968, now seen corresponding path program 1 times [2019-10-03 02:51:28,198 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:28,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:28,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,203 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:29,440 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 02:51:29,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:29,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-10-03 02:51:29,441 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:29,442 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-03 02:51:29,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-03 02:51:29,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2019-10-03 02:51:29,445 INFO L87 Difference]: Start difference. First operand 584 states and 812 transitions. Second operand 31 states. [2019-10-03 02:51:35,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:35,983 INFO L93 Difference]: Finished difference Result 1147 states and 1626 transitions. [2019-10-03 02:51:35,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-03 02:51:35,984 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 162 [2019-10-03 02:51:35,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:35,992 INFO L225 Difference]: With dead ends: 1147 [2019-10-03 02:51:35,992 INFO L226 Difference]: Without dead ends: 1142 [2019-10-03 02:51:35,993 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=252, Invalid=3054, Unknown=0, NotChecked=0, Total=3306 [2019-10-03 02:51:35,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2019-10-03 02:51:36,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 853. [2019-10-03 02:51:36,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 853 states. [2019-10-03 02:51:36,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 853 states and 1240 transitions. [2019-10-03 02:51:36,055 INFO L78 Accepts]: Start accepts. Automaton has 853 states and 1240 transitions. Word has length 162 [2019-10-03 02:51:36,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:36,056 INFO L475 AbstractCegarLoop]: Abstraction has 853 states and 1240 transitions. [2019-10-03 02:51:36,056 INFO L476 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-03 02:51:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1240 transitions. [2019-10-03 02:51:36,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-03 02:51:36,061 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:36,061 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 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] [2019-10-03 02:51:36,062 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:36,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:36,062 INFO L82 PathProgramCache]: Analyzing trace with hash -1681411932, now seen corresponding path program 1 times [2019-10-03 02:51:36,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:36,067 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:36,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:36,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:36,068 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:36,849 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:51:36,850 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:51:36,850 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:51:36,851 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2019-10-03 02:51:36,853 INFO L207 CegarAbsIntRunner]: [109], [112], [122], [123], [152], [155], [156], [157], [159], [269], [271], [275], [278], [279], [280], [283], [289], [313], [320], [322], [325], [331], [334], [343], [364], [366], [367], [370], [380], [600], [602], [603], [604], [642], [645], [647], [650], [659], [698], [699], [700], [740], [744], [747], [755], [758], [816], [825], [829], [831], [833], [836], [843], [850], [853], [1116], [1170], [1172], [1189], [1211], [1222], [1225], [1226], [1229], [1232], [1263], [1264], [1266], [1268], [1275], [1281], [1283], [1352], [1355], [1361], [1396], [1399], [1413], [1421], [1424], [1433], [1627], [1629], [1631], [1633], [1634], [1664], [1674], [1675], [1676], [1677], [1678], [1679], [1682], [1683], [1684], [1685], [1686], [1688], [1689], [1690], [1691], [1700], [1701], [1702], [1712], [1713], [1740], [1741], [1756], [1762], [1763], [1764], [1765], [1766], [1767], [1768], [1769], [1770], [1772], [1773], [1774], [1775], [1820], [1822], [1823], [1840], [1842], [1843], [1844], [1845], [1846], [1847], [1848], [1849], [1854], [1856], [1857], [1858], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1887], [1888] [2019-10-03 02:51:36,906 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:51:36,906 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:51:37,056 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:51:37,058 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 200 root evaluator evaluations with a maximum evaluation depth of 0. Performed 200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 370 variables. [2019-10-03 02:51:37,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:37,063 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:51:37,126 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:51:37,126 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:51:37,137 INFO L420 sIntCurrentIteration]: We unified 162 AI predicates to 162 [2019-10-03 02:51:37,137 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:51:37,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:51:37,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [31] total 31 [2019-10-03 02:51:37,138 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:37,140 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:37,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:37,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:37,141 INFO L87 Difference]: Start difference. First operand 853 states and 1240 transitions. Second operand 2 states. [2019-10-03 02:51:37,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:37,142 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:51:37,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:37,142 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 163 [2019-10-03 02:51:37,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:37,143 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:51:37,143 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:37,143 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:37,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:37,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:37,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:37,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:37,144 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2019-10-03 02:51:37,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:37,144 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:37,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:37,145 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:37,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:37 BoogieIcfgContainer [2019-10-03 02:51:37,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:37,153 INFO L168 Benchmark]: Toolchain (without parser) took 14412.67 ms. Allocated memory was 131.6 MB in the beginning and 426.8 MB in the end (delta: 295.2 MB). Free memory was 84.4 MB in the beginning and 275.5 MB in the end (delta: -191.1 MB). Peak memory consumption was 104.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:37,155 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:51:37,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1042.28 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 84.2 MB in the beginning and 131.9 MB in the end (delta: -47.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:37,158 INFO L168 Benchmark]: Boogie Preprocessor took 230.33 ms. Allocated memory is still 201.9 MB. Free memory was 131.9 MB in the beginning and 122.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:37,160 INFO L168 Benchmark]: RCFGBuilder took 2382.46 ms. Allocated memory was 201.9 MB in the beginning and 270.5 MB in the end (delta: 68.7 MB). Free memory was 122.8 MB in the beginning and 168.3 MB in the end (delta: -45.5 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:37,161 INFO L168 Benchmark]: TraceAbstraction took 10753.14 ms. Allocated memory was 270.5 MB in the beginning and 426.8 MB in the end (delta: 156.2 MB). Free memory was 168.3 MB in the beginning and 275.5 MB in the end (delta: -107.2 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:37,171 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1042.28 ms. Allocated memory was 131.6 MB in the beginning and 201.9 MB in the end (delta: 70.3 MB). Free memory was 84.2 MB in the beginning and 131.9 MB in the end (delta: -47.7 MB). Peak memory consumption was 34.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 230.33 ms. Allocated memory is still 201.9 MB. Free memory was 131.9 MB in the beginning and 122.8 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2382.46 ms. Allocated memory was 201.9 MB in the beginning and 270.5 MB in the end (delta: 68.7 MB). Free memory was 122.8 MB in the beginning and 168.3 MB in the end (delta: -45.5 MB). Peak memory consumption was 82.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10753.14 ms. Allocated memory was 270.5 MB in the beginning and 426.8 MB in the end (delta: 156.2 MB). Free memory was 168.3 MB in the beginning and 275.5 MB in the end (delta: -107.2 MB). Peak memory consumption was 49.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2932]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 112 procedures, 770 locations, 1 error locations. SAFE Result, 10.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 6.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3110 SDtfs, 1777 SDslu, 20911 SDs, 0 SdLazy, 3328 SolverSat, 442 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 236 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=853occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.382716049382716 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 291 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 795 NumberOfCodeBlocks, 795 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 211086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 143/146 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...