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_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:18,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:18,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:18,779 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:18,779 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:18,781 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:18,784 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:18,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:18,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:18,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:18,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:18,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:18,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:18,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:18,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:18,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:18,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:18,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:18,816 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:18,819 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:18,823 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:18,825 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:18,826 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:18,827 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:18,833 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:18,833 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:18,834 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:18,836 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:18,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:18,839 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:18,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:18,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:18,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:18,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:18,848 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:18,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:18,850 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:18,850 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:18,850 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:18,851 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:18,852 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:18,853 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 02:39:18,876 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:18,876 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:18,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:18,877 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:18,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:18,878 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:18,878 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:18,878 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:18,879 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:18,879 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:18,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:18,881 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:18,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:18,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:18,882 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:18,882 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:18,882 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:18,883 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:18,883 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:18,883 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:18,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:18,883 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:18,884 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:18,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:18,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:18,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:18,885 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:18,885 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:18,885 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:18,885 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:18,938 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:18,948 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:18,955 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:18,957 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:18,957 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:18,958 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product24.cil.c [2019-09-10 02:39:19,020 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48469b473/21119c7bd2d1437a8d11bdd7c9506be3/FLAGf3f845c32 [2019-09-10 02:39:19,628 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:39:19,629 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product24.cil.c [2019-09-10 02:39:19,651 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48469b473/21119c7bd2d1437a8d11bdd7c9506be3/FLAGf3f845c32 [2019-09-10 02:39:19,793 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/48469b473/21119c7bd2d1437a8d11bdd7c9506be3 [2019-09-10 02:39:19,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:39:19,806 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:39:19,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:19,807 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:39:19,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:39:19,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:19" (1/1) ... [2019-09-10 02:39:19,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@995ad21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:19, skipping insertion in model container [2019-09-10 02:39:19,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:19" (1/1) ... [2019-09-10 02:39:19,824 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:39:19,907 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:39:20,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:20,684 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:39:20,885 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:20,972 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:39:20,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20 WrapperNode [2019-09-10 02:39:20,973 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:20,974 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:39:20,974 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:39:20,974 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:39:20,989 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:20,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:21,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:21,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:21,089 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:21,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:21,152 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (1/1) ... [2019-09-10 02:39:21,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:39:21,190 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:39:21,190 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:39:21,190 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:39:21,192 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (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 02:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:39:21,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:39:21,277 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:39:21,278 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:39:21,279 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:39:21,280 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:39:21,281 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:21,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:39:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:39:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:39:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:39:21,283 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:39:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:39:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:39:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:39:21,284 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:39:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:39:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:39:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:39:21,285 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:39:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:39:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:39:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:39:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:39:21,286 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:39:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:39:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:39:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:39:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:39:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:39:21,287 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:39:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:39:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:39:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:39:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:39:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:39:21,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:39:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:39:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:39:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:39:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:39:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:39:21,289 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:39:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:39:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-09-10 02:39:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-09-10 02:39:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:39:21,290 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:39:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:39:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:39:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:39:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:39:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:39:21,291 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:39:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:39:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:39:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:39:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:39:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:39:21,292 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:39:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:39:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:39:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:39:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:39:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:39:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:39:21,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:39:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:39:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:39:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:39:21,295 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:39:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:39:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-09-10 02:39:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:39:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:39:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:39:21,296 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:39:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:39:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:39:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:39:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:39:21,297 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:39:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:39:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:39:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:39:21,298 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:39:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:39:21,298 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:39:21,299 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:39:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:39:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:39:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:39:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:39:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:39:21,300 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:39:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:39:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:39:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:39:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:39:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:39:21,301 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:39:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:39:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:39:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:39:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:39:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:39:21,302 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:39:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:39:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:39:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:39:21,303 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:39:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:39:21,304 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:39:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:39:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:39:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:39:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:39:21,305 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:39:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:39:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:39:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:39:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:39:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:21,306 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:39:21,307 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:39:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:39:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:39:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:39:21,312 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:39:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:39:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:39:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:39:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:39:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:39:21,313 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:39:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:39:21,314 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:39:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:39:21,315 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-09-10 02:39:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-09-10 02:39:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:39:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:39:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:39:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:39:21,316 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:39:21,317 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:39:21,318 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:39:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:39:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:39:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:39:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:39:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:39:21,319 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:39:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-09-10 02:39:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:39:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:39:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-09-10 02:39:21,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:39:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:39:21,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:39:23,659 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:39:23,659 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:39:23,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:23 BoogieIcfgContainer [2019-09-10 02:39:23,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:39:23,663 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:39:23,663 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:39:23,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:39:23,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:39:19" (1/3) ... [2019-09-10 02:39:23,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4190e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:23, skipping insertion in model container [2019-09-10 02:39:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:20" (2/3) ... [2019-09-10 02:39:23,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e4190e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:23, skipping insertion in model container [2019-09-10 02:39:23,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:23" (3/3) ... [2019-09-10 02:39:23,671 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product24.cil.c [2019-09-10 02:39:23,682 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:39:23,695 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:39:23,713 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:39:23,749 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:39:23,749 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:39:23,749 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:39:23,749 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:39:23,749 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:39:23,750 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:39:23,750 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:39:23,750 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:39:23,791 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states. [2019-09-10 02:39:23,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-09-10 02:39:23,835 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:23,837 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] [2019-09-10 02:39:23,846 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:23,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:23,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1456747027, now seen corresponding path program 1 times [2019-09-10 02:39:23,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:23,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:23,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:23,909 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:23,909 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:24,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:24,536 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 02:39:24,538 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:24,539 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:39:24,539 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:24,546 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:24,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:24,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:24,564 INFO L87 Difference]: Start difference. First operand 523 states. Second operand 2 states. [2019-09-10 02:39:24,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:24,615 INFO L93 Difference]: Finished difference Result 509 states and 669 transitions. [2019-09-10 02:39:24,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:24,617 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 179 [2019-09-10 02:39:24,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:24,639 INFO L225 Difference]: With dead ends: 509 [2019-09-10 02:39:24,640 INFO L226 Difference]: Without dead ends: 500 [2019-09-10 02:39:24,641 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 02:39:24,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2019-09-10 02:39:24,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 500. [2019-09-10 02:39:24,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-09-10 02:39:24,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 658 transitions. [2019-09-10 02:39:24,733 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 658 transitions. Word has length 179 [2019-09-10 02:39:24,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:24,741 INFO L475 AbstractCegarLoop]: Abstraction has 500 states and 658 transitions. [2019-09-10 02:39:24,741 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 658 transitions. [2019-09-10 02:39:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2019-09-10 02:39:24,751 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:24,751 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] [2019-09-10 02:39:24,752 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:24,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:24,752 INFO L82 PathProgramCache]: Analyzing trace with hash 385914405, now seen corresponding path program 1 times [2019-09-10 02:39:24,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:24,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:24,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:24,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:24,756 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:25,063 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 02:39:25,064 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:25,064 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:25,064 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:25,066 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:25,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:25,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:25,067 INFO L87 Difference]: Start difference. First operand 500 states and 658 transitions. Second operand 3 states. [2019-09-10 02:39:25,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:25,106 INFO L93 Difference]: Finished difference Result 503 states and 661 transitions. [2019-09-10 02:39:25,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:25,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2019-09-10 02:39:25,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:25,112 INFO L225 Difference]: With dead ends: 503 [2019-09-10 02:39:25,112 INFO L226 Difference]: Without dead ends: 503 [2019-09-10 02:39:25,113 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 02:39:25,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2019-09-10 02:39:25,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 502. [2019-09-10 02:39:25,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2019-09-10 02:39:25,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 660 transitions. [2019-09-10 02:39:25,144 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 660 transitions. Word has length 180 [2019-09-10 02:39:25,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:25,144 INFO L475 AbstractCegarLoop]: Abstraction has 502 states and 660 transitions. [2019-09-10 02:39:25,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:25,145 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 660 transitions. [2019-09-10 02:39:25,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-09-10 02:39:25,148 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:25,149 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] [2019-09-10 02:39:25,149 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:25,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:25,155 INFO L82 PathProgramCache]: Analyzing trace with hash -305991065, now seen corresponding path program 1 times [2019-09-10 02:39:25,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:25,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:25,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:25,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:25,156 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:25,438 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 02:39:25,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:25,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:25,439 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:25,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:25,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:25,444 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:25,444 INFO L87 Difference]: Start difference. First operand 502 states and 660 transitions. Second operand 3 states. [2019-09-10 02:39:25,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:25,480 INFO L93 Difference]: Finished difference Result 545 states and 733 transitions. [2019-09-10 02:39:25,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:25,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-09-10 02:39:25,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:25,485 INFO L225 Difference]: With dead ends: 545 [2019-09-10 02:39:25,486 INFO L226 Difference]: Without dead ends: 545 [2019-09-10 02:39:25,486 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 02:39:25,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2019-09-10 02:39:25,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 544. [2019-09-10 02:39:25,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 544 states. [2019-09-10 02:39:25,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 732 transitions. [2019-09-10 02:39:25,511 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 732 transitions. Word has length 192 [2019-09-10 02:39:25,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:25,512 INFO L475 AbstractCegarLoop]: Abstraction has 544 states and 732 transitions. [2019-09-10 02:39:25,512 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:25,512 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 732 transitions. [2019-09-10 02:39:25,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-09-10 02:39:25,517 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:25,517 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] [2019-09-10 02:39:25,517 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:25,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:25,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1934488691, now seen corresponding path program 1 times [2019-09-10 02:39:25,518 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:25,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:25,519 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:25,519 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:25,519 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:25,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:25,649 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 02:39:25,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:25,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:25,650 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:25,651 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:25,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:25,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:25,651 INFO L87 Difference]: Start difference. First operand 544 states and 732 transitions. Second operand 3 states. [2019-09-10 02:39:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:25,684 INFO L93 Difference]: Finished difference Result 626 states and 871 transitions. [2019-09-10 02:39:25,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:25,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-09-10 02:39:25,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:25,691 INFO L225 Difference]: With dead ends: 626 [2019-09-10 02:39:25,691 INFO L226 Difference]: Without dead ends: 626 [2019-09-10 02:39:25,692 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 02:39:25,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-09-10 02:39:25,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 625. [2019-09-10 02:39:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2019-09-10 02:39:25,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 870 transitions. [2019-09-10 02:39:25,727 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 870 transitions. Word has length 193 [2019-09-10 02:39:25,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:25,727 INFO L475 AbstractCegarLoop]: Abstraction has 625 states and 870 transitions. [2019-09-10 02:39:25,727 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:25,728 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 870 transitions. [2019-09-10 02:39:25,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-10 02:39:25,734 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:25,734 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] [2019-09-10 02:39:25,734 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:25,735 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:25,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1114707191, now seen corresponding path program 1 times [2019-09-10 02:39:25,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:25,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:25,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:25,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:25,738 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:25,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:25,956 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 02:39:25,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:39:25,957 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:39:25,958 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2019-09-10 02:39:25,961 INFO L207 CegarAbsIntRunner]: [44], [72], [75], [85], [133], [149], [152], [166], [167], [169], [279], [282], [283], [284], [287], [293], [315], [318], [321], [327], [329], [343], [346], [355], [356], [357], [358], [360], [361], [364], [374], [375], [376], [387], [389], [394], [414], [416], [428], [450], [452], [641], [643], [644], [645], [683], [686], [700], [729], [730], [741], [743], [756], [758], [761], [765], [779], [783], [786], [804], [807], [815], [837], [843], [852], [856], [858], [860], [863], [870], [877], [880], [882], [1018], [1021], [1035], [1143], [1215], [1219], [1230], [1233], [1272], [1274], [1343], [1346], [1356], [1387], [1390], [1404], [1410], [1413], [1422], [1611], [1613], [1615], [1617], [1618], [1622], [1624], [1633], [1659], [1669], [1670], [1671], [1672], [1673], [1674], [1677], [1678], [1679], [1680], [1687], [1688], [1689], [1690], [1691], [1693], [1694], [1695], [1696], [1697], [1703], [1704], [1709], [1710], [1711], [1713], [1714], [1727], [1728], [1749], [1750], [1765], [1766], [1767], [1769], [1770], [1775], [1776], [1777], [1778], [1779], [1780], [1781], [1782], [1783], [1785], [1786], [1787], [1788], [1795], [1803], [1804], [1805], [1811], [1812], [1829], [1831], [1832], [1833], [1835], [1836], [1837], [1838], [1839], [1840], [1841], [1853], [1854], [1855], [1856], [1857], [1858], [1859], [1860], [1861], [1863], [1864] [2019-09-10 02:39:26,058 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:39:26,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:39:26,264 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:39:26,266 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 201 root evaluator evaluations with a maximum evaluation depth of 0. Performed 201 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 368 variables. [2019-09-10 02:39:26,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:26,270 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:39:26,375 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:39:26,375 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:39:26,381 INFO L420 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2019-09-10 02:39:26,381 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:39:26,382 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:39:26,382 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [8] total 8 [2019-09-10 02:39:26,383 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:26,383 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:26,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:26,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:26,384 INFO L87 Difference]: Start difference. First operand 625 states and 870 transitions. Second operand 2 states. [2019-09-10 02:39:26,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:26,384 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:39:26,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:26,385 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 196 [2019-09-10 02:39:26,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:26,385 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:39:26,385 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:39:26,385 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 195 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 02:39:26,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:39:26,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:39:26,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:39:26,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:39:26,386 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 196 [2019-09-10 02:39:26,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:26,387 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:39:26,387 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:26,387 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:39:26,387 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:39:26,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:39:26 BoogieIcfgContainer [2019-09-10 02:39:26,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:39:26,395 INFO L168 Benchmark]: Toolchain (without parser) took 6588.76 ms. Allocated memory was 134.2 MB in the beginning and 320.9 MB in the end (delta: 186.6 MB). Free memory was 87.8 MB in the beginning and 250.1 MB in the end (delta: -162.3 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:26,396 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:39:26,397 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1166.82 ms. Allocated memory was 134.2 MB in the beginning and 204.5 MB in the end (delta: 70.3 MB). Free memory was 87.4 MB in the beginning and 136.2 MB in the end (delta: -48.9 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:26,398 INFO L168 Benchmark]: Boogie Preprocessor took 215.56 ms. Allocated memory is still 204.5 MB. Free memory was 136.2 MB in the beginning and 127.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:26,399 INFO L168 Benchmark]: RCFGBuilder took 2472.15 ms. Allocated memory was 204.5 MB in the beginning and 260.0 MB in the end (delta: 55.6 MB). Free memory was 127.6 MB in the beginning and 161.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:26,400 INFO L168 Benchmark]: TraceAbstraction took 2729.19 ms. Allocated memory was 260.0 MB in the beginning and 320.9 MB in the end (delta: 60.8 MB). Free memory was 161.6 MB in the beginning and 250.1 MB in the end (delta: -88.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:39:26,404 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1166.82 ms. Allocated memory was 134.2 MB in the beginning and 204.5 MB in the end (delta: 70.3 MB). Free memory was 87.4 MB in the beginning and 136.2 MB in the end (delta: -48.9 MB). Peak memory consumption was 34.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 215.56 ms. Allocated memory is still 204.5 MB. Free memory was 136.2 MB in the beginning and 127.6 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2472.15 ms. Allocated memory was 204.5 MB in the beginning and 260.0 MB in the end (delta: 55.6 MB). Free memory was 127.6 MB in the beginning and 161.6 MB in the end (delta: -34.0 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2729.19 ms. Allocated memory was 260.0 MB in the beginning and 320.9 MB in the end (delta: 60.8 MB). Free memory was 161.6 MB in the beginning and 250.1 MB in the end (delta: -88.5 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 736]: 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, 765 locations, 1 error locations. SAFE Result, 2.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2664 SDtfs, 105 SDslu, 1956 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=625occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.174358974358974 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 940 NumberOfCodeBlocks, 940 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 935 ConstructedInterpolants, 0 QuantifiedInterpolants, 182763 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 159/161 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...