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_spec11_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:11,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:11,756 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:11,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:11,768 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:11,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:11,770 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:11,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:11,774 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:11,775 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:11,776 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:11,777 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:11,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:11,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:11,779 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:11,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:11,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:11,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:11,784 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:11,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:11,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:11,789 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:11,790 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:11,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:11,793 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:11,793 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:11,793 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:11,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:11,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:11,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:11,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:11,796 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:11,797 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:11,798 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:11,799 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:11,799 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:11,800 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:11,800 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:11,800 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:11,801 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:11,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:11,803 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 [2019-09-10 02:39:11,817 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:11,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:11,818 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:11,818 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:11,819 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:11,819 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:11,819 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:11,820 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:11,820 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:11,820 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:11,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:11,821 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:11,821 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:11,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:11,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:11,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:11,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:11,822 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:11,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:11,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:11,823 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:11,823 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:11,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:11,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:11,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:11,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:11,824 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:11,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:11,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:11,825 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:11,858 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:11,871 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:11,874 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:11,876 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:11,876 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:11,877 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product23.cil.c [2019-09-10 02:39:11,939 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cba21270/59ada7a101ef4cb6b343c5b5b8f93296/FLAG29134d9f4 [2019-09-10 02:39:12,601 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:39:12,602 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product23.cil.c [2019-09-10 02:39:12,624 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cba21270/59ada7a101ef4cb6b343c5b5b8f93296/FLAG29134d9f4 [2019-09-10 02:39:12,815 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1cba21270/59ada7a101ef4cb6b343c5b5b8f93296 [2019-09-10 02:39:12,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:39:12,826 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:39:12,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:12,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:39:12,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:39:12,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:12" (1/1) ... [2019-09-10 02:39:12,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38938422 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:12, skipping insertion in model container [2019-09-10 02:39:12,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:12" (1/1) ... [2019-09-10 02:39:12,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:39:12,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:39:13,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:13,730 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:39:13,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:14,020 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:39:14,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14 WrapperNode [2019-09-10 02:39:14,021 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:14,022 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:39:14,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:39:14,023 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:39:14,039 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,180 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,191 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (1/1) ... [2019-09-10 02:39:14,206 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:39:14,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:39:14,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:39:14,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:39:14,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (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 [2019-09-10 02:39:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:39:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:39:14,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:39:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:39:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:39:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:39:14,285 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:39:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:39:14,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:39:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:39:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-09-10 02:39:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:39:14,287 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:39:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:39:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:39:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:39:14,288 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:39:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:39:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:39:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:39:14,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:39:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:39:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:39:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:39:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:39:14,290 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:39:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:39:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:39:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:39:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:39:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:39:14,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:39:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:39:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:39:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:39:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:39:14,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:39:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:39:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:39:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:39:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:39:14,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:39:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:39:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:39:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:39:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:39:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:39:14,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:39:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:39:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:39:14,295 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:39:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:39:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:39:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:39:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:39:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:39:14,296 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:39:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:39:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:39:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:39:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:39:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:39:14,297 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:39:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:39:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:39:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:39:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:39:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:39:14,298 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:39:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:39:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:39:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:39:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:39:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:39:14,299 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:39:14,300 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:39:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:39:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:39:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:39:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:39:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:39:14,301 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:39:14,302 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:39:14,303 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:39:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:39:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:39:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:39:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:39:14,304 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:39:14,304 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:39:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:39:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:39:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:39:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:39:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:39:14,305 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:14,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:39:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:39:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:39:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:39:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:39:14,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:39:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:39:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:39:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:39:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:39:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:39:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:39:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:39:14,310 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:39:14,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:39:14,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:39:14,313 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:39:14,314 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:39:14,315 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:39:14,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:39:14,317 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:39:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:39:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:39:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:39:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:39:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:14,318 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:39:14,319 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:39:14,320 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:39:14,321 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:39:14,322 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:39:16,247 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:39:16,248 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:39:16,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:16 BoogieIcfgContainer [2019-09-10 02:39:16,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:39:16,251 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:39:16,251 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:39:16,256 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:39:16,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:39:12" (1/3) ... [2019-09-10 02:39:16,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416c3134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:16, skipping insertion in model container [2019-09-10 02:39:16,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:14" (2/3) ... [2019-09-10 02:39:16,257 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@416c3134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:16, skipping insertion in model container [2019-09-10 02:39:16,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:16" (3/3) ... [2019-09-10 02:39:16,259 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product23.cil.c [2019-09-10 02:39:16,270 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:39:16,282 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:39:16,300 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:39:16,334 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:39:16,335 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:39:16,335 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:39:16,335 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:39:16,335 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:39:16,335 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:39:16,336 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:39:16,336 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:39:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states. [2019-09-10 02:39:16,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-09-10 02:39:16,423 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:16,426 INFO L399 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:16,437 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:16,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:16,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1747306002, now seen corresponding path program 1 times [2019-09-10 02:39:16,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:16,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:16,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:16,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:16,505 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:17,182 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:17,185 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:17,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:39:17,185 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:17,192 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:17,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:17,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:17,207 INFO L87 Difference]: Start difference. First operand 572 states. Second operand 2 states. [2019-09-10 02:39:17,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:17,259 INFO L93 Difference]: Finished difference Result 530 states and 722 transitions. [2019-09-10 02:39:17,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:17,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 186 [2019-09-10 02:39:17,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:17,285 INFO L225 Difference]: With dead ends: 530 [2019-09-10 02:39:17,285 INFO L226 Difference]: Without dead ends: 521 [2019-09-10 02:39:17,287 INFO L628 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 [2019-09-10 02:39:17,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-09-10 02:39:17,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 521. [2019-09-10 02:39:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2019-09-10 02:39:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 711 transitions. [2019-09-10 02:39:17,429 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 711 transitions. Word has length 186 [2019-09-10 02:39:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:17,431 INFO L475 AbstractCegarLoop]: Abstraction has 521 states and 711 transitions. [2019-09-10 02:39:17,432 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:17,432 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 711 transitions. [2019-09-10 02:39:17,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-09-10 02:39:17,440 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:17,440 INFO L399 BasicCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:17,441 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:17,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:17,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1222717421, now seen corresponding path program 1 times [2019-09-10 02:39:17,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:17,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:17,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:17,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:17,447 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:17,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:17,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:17,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:17,722 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:17,725 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:17,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:17,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:17,726 INFO L87 Difference]: Start difference. First operand 521 states and 711 transitions. Second operand 3 states. [2019-09-10 02:39:17,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:17,791 INFO L93 Difference]: Finished difference Result 524 states and 714 transitions. [2019-09-10 02:39:17,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:17,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 187 [2019-09-10 02:39:17,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:17,803 INFO L225 Difference]: With dead ends: 524 [2019-09-10 02:39:17,803 INFO L226 Difference]: Without dead ends: 524 [2019-09-10 02:39:17,805 INFO L628 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 [2019-09-10 02:39:17,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2019-09-10 02:39:17,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 523. [2019-09-10 02:39:17,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2019-09-10 02:39:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 713 transitions. [2019-09-10 02:39:17,829 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 713 transitions. Word has length 187 [2019-09-10 02:39:17,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:17,830 INFO L475 AbstractCegarLoop]: Abstraction has 523 states and 713 transitions. [2019-09-10 02:39:17,830 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 713 transitions. [2019-09-10 02:39:17,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-09-10 02:39:17,837 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:17,837 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:17,837 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:17,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:17,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1781393629, now seen corresponding path program 1 times [2019-09-10 02:39:17,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:17,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:17,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:17,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:17,840 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:18,083 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:18,083 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:18,083 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:18,085 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:18,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:18,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:18,088 INFO L87 Difference]: Start difference. First operand 523 states and 713 transitions. Second operand 3 states. [2019-09-10 02:39:18,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:18,129 INFO L93 Difference]: Finished difference Result 566 states and 786 transitions. [2019-09-10 02:39:18,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:18,130 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2019-09-10 02:39:18,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:18,137 INFO L225 Difference]: With dead ends: 566 [2019-09-10 02:39:18,137 INFO L226 Difference]: Without dead ends: 566 [2019-09-10 02:39:18,138 INFO L628 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 [2019-09-10 02:39:18,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2019-09-10 02:39:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 565. [2019-09-10 02:39:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 565 states. [2019-09-10 02:39:18,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 565 states and 785 transitions. [2019-09-10 02:39:18,179 INFO L78 Accepts]: Start accepts. Automaton has 565 states and 785 transitions. Word has length 197 [2019-09-10 02:39:18,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:18,180 INFO L475 AbstractCegarLoop]: Abstraction has 565 states and 785 transitions. [2019-09-10 02:39:18,180 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:18,181 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 785 transitions. [2019-09-10 02:39:18,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-09-10 02:39:18,188 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:18,189 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:18,189 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:18,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:18,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1799913760, now seen corresponding path program 1 times [2019-09-10 02:39:18,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:18,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:18,191 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:18,191 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:18,192 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:18,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:18,392 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:18,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:18,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:18,396 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:18,398 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:18,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:18,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:18,399 INFO L87 Difference]: Start difference. First operand 565 states and 785 transitions. Second operand 3 states. [2019-09-10 02:39:18,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:18,454 INFO L93 Difference]: Finished difference Result 647 states and 924 transitions. [2019-09-10 02:39:18,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:18,455 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2019-09-10 02:39:18,459 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:18,463 INFO L225 Difference]: With dead ends: 647 [2019-09-10 02:39:18,464 INFO L226 Difference]: Without dead ends: 647 [2019-09-10 02:39:18,464 INFO L628 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 [2019-09-10 02:39:18,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2019-09-10 02:39:18,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 646. [2019-09-10 02:39:18,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 646 states. [2019-09-10 02:39:18,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 646 states and 923 transitions. [2019-09-10 02:39:18,509 INFO L78 Accepts]: Start accepts. Automaton has 646 states and 923 transitions. Word has length 198 [2019-09-10 02:39:18,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:18,510 INFO L475 AbstractCegarLoop]: Abstraction has 646 states and 923 transitions. [2019-09-10 02:39:18,510 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:18,510 INFO L276 IsEmpty]: Start isEmpty. Operand 646 states and 923 transitions. [2019-09-10 02:39:18,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-09-10 02:39:18,519 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:18,520 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:18,520 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:18,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:18,521 INFO L82 PathProgramCache]: Analyzing trace with hash -836274467, now seen corresponding path program 1 times [2019-09-10 02:39:18,521 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:18,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:18,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:18,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:18,523 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:18,876 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:18,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:18,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:18,878 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:18,879 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:18,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:18,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:18,881 INFO L87 Difference]: Start difference. First operand 646 states and 923 transitions. Second operand 3 states. [2019-09-10 02:39:18,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:18,919 INFO L93 Difference]: Finished difference Result 803 states and 1188 transitions. [2019-09-10 02:39:18,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:18,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-09-10 02:39:18,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:18,927 INFO L225 Difference]: With dead ends: 803 [2019-09-10 02:39:18,927 INFO L226 Difference]: Without dead ends: 803 [2019-09-10 02:39:18,928 INFO L628 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 [2019-09-10 02:39:18,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2019-09-10 02:39:18,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 802. [2019-09-10 02:39:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 802 states. [2019-09-10 02:39:18,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 1187 transitions. [2019-09-10 02:39:18,975 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 1187 transitions. Word has length 199 [2019-09-10 02:39:18,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:18,976 INFO L475 AbstractCegarLoop]: Abstraction has 802 states and 1187 transitions. [2019-09-10 02:39:18,976 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:18,976 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1187 transitions. [2019-09-10 02:39:18,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2019-09-10 02:39:18,985 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:18,986 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:18,986 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:18,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:18,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1156612896, now seen corresponding path program 1 times [2019-09-10 02:39:18,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:18,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:18,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:18,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:18,993 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:19,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:19,257 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:19,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:19,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:19,258 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:19,259 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:19,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:19,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:19,260 INFO L87 Difference]: Start difference. First operand 802 states and 1187 transitions. Second operand 3 states. [2019-09-10 02:39:19,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:19,296 INFO L93 Difference]: Finished difference Result 1103 states and 1692 transitions. [2019-09-10 02:39:19,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:19,297 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 200 [2019-09-10 02:39:19,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:19,310 INFO L225 Difference]: With dead ends: 1103 [2019-09-10 02:39:19,311 INFO L226 Difference]: Without dead ends: 1103 [2019-09-10 02:39:19,311 INFO L628 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 [2019-09-10 02:39:19,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2019-09-10 02:39:19,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1102. [2019-09-10 02:39:19,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1102 states. [2019-09-10 02:39:19,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1102 states to 1102 states and 1691 transitions. [2019-09-10 02:39:19,362 INFO L78 Accepts]: Start accepts. Automaton has 1102 states and 1691 transitions. Word has length 200 [2019-09-10 02:39:19,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:19,363 INFO L475 AbstractCegarLoop]: Abstraction has 1102 states and 1691 transitions. [2019-09-10 02:39:19,363 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1102 states and 1691 transitions. [2019-09-10 02:39:19,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-09-10 02:39:19,371 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:19,371 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:19,376 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:19,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:19,376 INFO L82 PathProgramCache]: Analyzing trace with hash -561648419, now seen corresponding path program 1 times [2019-09-10 02:39:19,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:19,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:19,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:19,378 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:19,378 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:19,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:19,629 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:19,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:19,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:19,629 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:19,630 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:19,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:19,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:19,631 INFO L87 Difference]: Start difference. First operand 1102 states and 1691 transitions. Second operand 3 states. [2019-09-10 02:39:19,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:19,665 INFO L93 Difference]: Finished difference Result 1679 states and 2652 transitions. [2019-09-10 02:39:19,666 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:19,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2019-09-10 02:39:19,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:19,680 INFO L225 Difference]: With dead ends: 1679 [2019-09-10 02:39:19,680 INFO L226 Difference]: Without dead ends: 1679 [2019-09-10 02:39:19,681 INFO L628 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 [2019-09-10 02:39:19,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1679 states. [2019-09-10 02:39:19,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1679 to 1678. [2019-09-10 02:39:19,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1678 states. [2019-09-10 02:39:19,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1678 states and 2651 transitions. [2019-09-10 02:39:19,765 INFO L78 Accepts]: Start accepts. Automaton has 1678 states and 2651 transitions. Word has length 201 [2019-09-10 02:39:19,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:19,766 INFO L475 AbstractCegarLoop]: Abstraction has 1678 states and 2651 transitions. [2019-09-10 02:39:19,766 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2651 transitions. [2019-09-10 02:39:19,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-09-10 02:39:19,779 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:19,780 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:19,780 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:19,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:19,780 INFO L82 PathProgramCache]: Analyzing trace with hash -1570574891, now seen corresponding path program 1 times [2019-09-10 02:39:19,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:19,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:19,782 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:19,782 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:19,782 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:19,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:20,006 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-09-10 02:39:20,007 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:39:20,007 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:39:20,008 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2019-09-10 02:39:20,011 INFO L207 CegarAbsIntRunner]: [69], [72], [82], [106], [109], [119], [120], [136], [139], [153], [154], [156], [266], [269], [270], [271], [274], [280], [302], [305], [308], [314], [316], [320], [323], [332], [343], [344], [345], [347], [348], [351], [361], [362], [363], [364], [366], [371], [408], [410], [422], [444], [446], [631], [633], [634], [635], [671], [674], [688], [717], [718], [729], [731], [744], [746], [749], [753], [777], [781], [784], [792], [795], [796], [818], [824], [833], [837], [839], [841], [844], [851], [858], [861], [863], [999], [1001], [1018], [1022], [1025], [1039], [1147], [1219], [1223], [1234], [1237], [1278], [1280], [1349], [1352], [1362], [1393], [1396], [1410], [1416], [1419], [1428], [1622], [1624], [1626], [1628], [1629], [1633], [1635], [1662], [1672], [1673], [1674], [1675], [1676], [1677], [1680], [1681], [1682], [1683], [1690], [1691], [1692], [1693], [1694], [1696], [1697], [1698], [1699], [1700], [1706], [1707], [1708], [1709], [1710], [1722], [1723], [1736], [1737], [1754], [1755], [1768], [1769], [1770], [1772], [1773], [1778], [1779], [1780], [1781], [1782], [1783], [1784], [1785], [1786], [1788], [1789], [1790], [1791], [1792], [1800], [1801], [1802], [1808], [1809], [1826], [1828], [1829], [1846], [1848], [1849], [1850], [1852], [1853], [1854], [1855], [1856], [1857], [1858], [1878], [1879], [1880], [1881], [1882], [1883], [1884], [1885], [1886], [1888], [1889] [2019-09-10 02:39:20,096 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:39:20,096 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:39:20,237 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:39:20,238 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 189 root evaluator evaluations with a maximum evaluation depth of 0. Performed 189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 372 variables. [2019-09-10 02:39:20,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:20,241 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:39:20,311 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:39:20,312 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:39:20,326 INFO L420 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2019-09-10 02:39:20,326 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:39:20,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:39:20,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-09-10 02:39:20,331 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:20,332 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:20,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:20,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:20,332 INFO L87 Difference]: Start difference. First operand 1678 states and 2651 transitions. Second operand 2 states. [2019-09-10 02:39:20,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:20,333 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:39:20,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:20,334 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 203 [2019-09-10 02:39:20,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:20,334 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:39:20,335 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:39:20,335 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 202 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:20,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:39:20,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:39:20,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:39:20,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:39:20,336 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2019-09-10 02:39:20,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:20,336 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:39:20,336 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:20,336 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:39:20,337 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:39:20,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:39:20 BoogieIcfgContainer [2019-09-10 02:39:20,342 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:39:20,346 INFO L168 Benchmark]: Toolchain (without parser) took 7517.99 ms. Allocated memory was 136.3 MB in the beginning and 370.7 MB in the end (delta: 234.4 MB). Free memory was 89.0 MB in the beginning and 102.3 MB in the end (delta: -13.3 MB). Peak memory consumption was 221.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:20,347 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:39:20,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1194.01 ms. Allocated memory was 136.3 MB in the beginning and 203.4 MB in the end (delta: 67.1 MB). Free memory was 88.8 MB in the beginning and 136.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:20,352 INFO L168 Benchmark]: Boogie Preprocessor took 183.86 ms. Allocated memory is still 203.4 MB. Free memory was 136.8 MB in the beginning and 127.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:20,353 INFO L168 Benchmark]: RCFGBuilder took 2044.10 ms. Allocated memory was 203.4 MB in the beginning and 254.3 MB in the end (delta: 50.9 MB). Free memory was 127.6 MB in the beginning and 148.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:20,359 INFO L168 Benchmark]: TraceAbstraction took 4091.36 ms. Allocated memory was 254.3 MB in the beginning and 370.7 MB in the end (delta: 116.4 MB). Free memory was 148.1 MB in the beginning and 102.3 MB in the end (delta: 45.8 MB). Peak memory consumption was 162.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:20,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 136.3 MB. Free memory was 109.5 MB in the beginning and 109.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1194.01 ms. Allocated memory was 136.3 MB in the beginning and 203.4 MB in the end (delta: 67.1 MB). Free memory was 88.8 MB in the beginning and 136.8 MB in the end (delta: -48.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 183.86 ms. Allocated memory is still 203.4 MB. Free memory was 136.8 MB in the beginning and 127.6 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2044.10 ms. Allocated memory was 203.4 MB in the beginning and 254.3 MB in the end (delta: 50.9 MB). Free memory was 127.6 MB in the beginning and 148.1 MB in the end (delta: -20.5 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4091.36 ms. Allocated memory was 254.3 MB in the beginning and 370.7 MB in the end (delta: 116.4 MB). Free memory was 148.1 MB in the beginning and 102.3 MB in the end (delta: 45.8 MB). Peak memory consumption was 162.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1684]: 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 114 procedures, 776 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 5037 SDtfs, 246 SDslu, 4227 SDs, 0 SdLazy, 20 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1678occurred in iteration=7, 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, 2.1732673267326734 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 6 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1571 NumberOfCodeBlocks, 1571 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1563 ConstructedInterpolants, 0 QuantifiedInterpolants, 325511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 258/260 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...