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_spec3_product28.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:54,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:54,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:54,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:54,355 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:54,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:54,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:54,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:54,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:54,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:54,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:54,382 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:54,382 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:54,383 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:54,384 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:54,388 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:54,389 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:54,390 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:54,392 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:54,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:54,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:54,396 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:54,397 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:54,398 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:54,403 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:54,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:54,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:54,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:54,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:54,405 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:54,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:54,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:54,409 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:54,410 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:54,411 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:54,412 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:54,412 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:54,413 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:54,413 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:54,414 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:54,414 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:54,415 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 02:40:54,437 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:54,438 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:54,439 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:54,439 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:54,440 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:54,440 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:54,440 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:54,440 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:54,441 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:54,441 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:54,443 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:54,444 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:54,444 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:54,444 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:54,444 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:54,445 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:54,445 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:54,445 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:54,445 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:54,446 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:54,446 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:54,446 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:54,447 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:54,447 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:54,447 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:54,447 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:54,448 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:54,448 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:54,448 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:54,448 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:54,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:54,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:54,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:54,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:54,527 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:54,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product28.cil.c [2019-09-10 02:40:54,605 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749462f1d/20c9cffeffc84aa8a868bc7617b4a822/FLAG94410ca33 [2019-09-10 02:40:55,208 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:55,209 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product28.cil.c [2019-09-10 02:40:55,241 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749462f1d/20c9cffeffc84aa8a868bc7617b4a822/FLAG94410ca33 [2019-09-10 02:40:55,412 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/749462f1d/20c9cffeffc84aa8a868bc7617b4a822 [2019-09-10 02:40:55,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:55,423 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:55,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:55,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:55,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:55,429 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:55" (1/1) ... [2019-09-10 02:40:55,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d0d303e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:55, skipping insertion in model container [2019-09-10 02:40:55,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:55" (1/1) ... [2019-09-10 02:40:55,443 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:55,526 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:56,301 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:56,318 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:56,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:56,559 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:56,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56 WrapperNode [2019-09-10 02:40:56,560 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:56,561 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:56,561 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:56,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:56,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,621 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,697 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,722 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (1/1) ... [2019-09-10 02:40:56,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:56,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:56,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:56,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:56,755 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (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 02:40:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:56,843 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Encrypt [2019-09-10 02:40:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-09-10 02:40:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:56,844 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:40:56,845 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:40:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:56,846 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:56,847 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:56,851 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:56,852 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:56,853 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:56,854 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:56,855 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:56,856 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:56,857 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:56,858 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:56,859 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:56,860 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:56,861 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-09-10 02:40:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-09-10 02:40:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-09-10 02:40:56,862 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:56,863 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:40:56,864 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:40:56,864 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:56,865 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:56,866 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:56,867 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Encrypt [2019-09-10 02:40:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-09-10 02:40:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:56,868 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-09-10 02:40:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-09-10 02:40:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:56,869 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:56,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:56,871 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:56,872 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:56,873 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:56,874 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:56,875 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:56,876 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:56,877 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:56,878 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:56,879 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:56,880 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:56,881 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:56,882 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-09-10 02:40:56,883 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-09-10 02:40:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:56,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:59,179 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:59,179 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:59,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:59 BoogieIcfgContainer [2019-09-10 02:40:59,181 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:59,182 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:59,182 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:59,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:59,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:55" (1/3) ... [2019-09-10 02:40:59,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67026dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:59, skipping insertion in model container [2019-09-10 02:40:59,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:56" (2/3) ... [2019-09-10 02:40:59,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67026dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:59, skipping insertion in model container [2019-09-10 02:40:59,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:59" (3/3) ... [2019-09-10 02:40:59,189 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product28.cil.c [2019-09-10 02:40:59,200 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:59,214 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:59,233 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:59,271 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:59,271 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:59,271 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:59,272 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:59,272 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:59,272 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:59,272 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:59,272 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:59,313 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states. [2019-09-10 02:40:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-09-10 02:40:59,365 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:59,368 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:40:59,372 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:59,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:59,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1535758530, now seen corresponding path program 1 times [2019-09-10 02:40:59,390 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:59,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:59,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:59,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:59,446 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:59,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:00,061 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:00,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:00,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:41:00,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:00,070 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:00,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:00,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:00,088 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 2 states. [2019-09-10 02:41:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:00,138 INFO L93 Difference]: Finished difference Result 479 states and 638 transitions. [2019-09-10 02:41:00,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:00,140 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 195 [2019-09-10 02:41:00,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:00,161 INFO L225 Difference]: With dead ends: 479 [2019-09-10 02:41:00,162 INFO L226 Difference]: Without dead ends: 470 [2019-09-10 02:41:00,163 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 02:41:00,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-09-10 02:41:00,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-09-10 02:41:00,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-09-10 02:41:00,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 627 transitions. [2019-09-10 02:41:00,247 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 627 transitions. Word has length 195 [2019-09-10 02:41:00,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:00,249 INFO L475 AbstractCegarLoop]: Abstraction has 470 states and 627 transitions. [2019-09-10 02:41:00,249 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:00,249 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 627 transitions. [2019-09-10 02:41:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-09-10 02:41:00,256 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:00,256 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:41:00,257 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:00,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:00,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1501610490, now seen corresponding path program 1 times [2019-09-10 02:41:00,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:00,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:00,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:00,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:00,259 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:00,525 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:00,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:00,526 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:00,526 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:00,528 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:00,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:00,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:00,529 INFO L87 Difference]: Start difference. First operand 470 states and 627 transitions. Second operand 3 states. [2019-09-10 02:41:00,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:00,577 INFO L93 Difference]: Finished difference Result 473 states and 630 transitions. [2019-09-10 02:41:00,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:00,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2019-09-10 02:41:00,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:00,583 INFO L225 Difference]: With dead ends: 473 [2019-09-10 02:41:00,583 INFO L226 Difference]: Without dead ends: 473 [2019-09-10 02:41:00,584 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 02:41:00,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-09-10 02:41:00,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 472. [2019-09-10 02:41:00,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-09-10 02:41:00,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 629 transitions. [2019-09-10 02:41:00,616 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 629 transitions. Word has length 196 [2019-09-10 02:41:00,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:00,618 INFO L475 AbstractCegarLoop]: Abstraction has 472 states and 629 transitions. [2019-09-10 02:41:00,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:00,618 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 629 transitions. [2019-09-10 02:41:00,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-09-10 02:41:00,622 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:00,622 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:41:00,623 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:00,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:00,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1703734010, now seen corresponding path program 1 times [2019-09-10 02:41:00,623 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:00,624 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:00,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:00,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:00,625 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-09-10 02:41:00,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:00,918 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:00,918 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:00,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:00,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:00,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:00,923 INFO L87 Difference]: Start difference. First operand 472 states and 629 transitions. Second operand 3 states. [2019-09-10 02:41:00,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:00,961 INFO L93 Difference]: Finished difference Result 511 states and 696 transitions. [2019-09-10 02:41:00,962 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:00,962 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 202 [2019-09-10 02:41:00,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:00,968 INFO L225 Difference]: With dead ends: 511 [2019-09-10 02:41:00,968 INFO L226 Difference]: Without dead ends: 511 [2019-09-10 02:41:00,969 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 02:41:00,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2019-09-10 02:41:01,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 510. [2019-09-10 02:41:01,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 510 states. [2019-09-10 02:41:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 510 states and 695 transitions. [2019-09-10 02:41:01,005 INFO L78 Accepts]: Start accepts. Automaton has 510 states and 695 transitions. Word has length 202 [2019-09-10 02:41:01,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:01,006 INFO L475 AbstractCegarLoop]: Abstraction has 510 states and 695 transitions. [2019-09-10 02:41:01,006 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:01,006 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 695 transitions. [2019-09-10 02:41:01,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-09-10 02:41:01,013 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:01,014 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:41:01,014 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:01,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:01,015 INFO L82 PathProgramCache]: Analyzing trace with hash -940076344, now seen corresponding path program 1 times [2019-09-10 02:41:01,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:01,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:01,016 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:01,016 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:01,016 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:01,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:01,570 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-09-10 02:41:01,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:41:01,571 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:41:01,573 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 204 with the following transitions: [2019-09-10 02:41:01,576 INFO L207 CegarAbsIntRunner]: [59], [62], [72], [110], [126], [129], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [303], [306], [315], [336], [338], [339], [342], [352], [388], [445], [614], [616], [617], [618], [624], [627], [633], [661], [664], [678], [707], [710], [716], [717], [718], [719], [721], [723], [736], [738], [741], [745], [769], [773], [776], [784], [787], [812], [814], [839], [845], [854], [858], [860], [862], [865], [872], [879], [882], [1141], [1143], [1144], [1145], [1148], [1150], [1152], [1155], [1174], [1246], [1250], [1261], [1264], [1265], [1268], [1271], [1302], [1303], [1305], [1307], [1314], [1318], [1320], [1433], [1436], [1450], [1456], [1459], [1468], [1657], [1659], [1661], [1663], [1664], [1686], [1696], [1697], [1698], [1699], [1700], [1701], [1704], [1705], [1706], [1707], [1708], [1710], [1711], [1712], [1713], [1730], [1731], [1742], [1758], [1778], [1779], [1798], [1799], [1800], [1801], [1802], [1804], [1805], [1810], [1811], [1812], [1813], [1814], [1815], [1816], [1817], [1818], [1820], [1821], [1822], [1823], [1832], [1833], [1844], [1864], [1866], [1867], [1868], [1869], [1870], [1871], [1872], [1880], [1881], [1882], [1884], [1885], [1886], [1887], [1888], [1889], [1890], [1891], [1896], [1898], [1899], [1900], [1912], [1913], [1914], [1915], [1916], [1917], [1918], [1919], [1920] [2019-09-10 02:41:01,681 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:41:01,686 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:41:01,927 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:41:01,929 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 205 root evaluator evaluations with a maximum evaluation depth of 0. Performed 205 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-09-10 02:41:01,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:01,936 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:41:02,150 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:41:02,151 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:41:02,165 INFO L420 sIntCurrentIteration]: We unified 202 AI predicates to 202 [2019-09-10 02:41:02,165 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:41:02,167 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:41:02,167 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [19] total 19 [2019-09-10 02:41:02,167 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:02,169 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:41:02,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:41:02,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:41:02,169 INFO L87 Difference]: Start difference. First operand 510 states and 695 transitions. Second operand 2 states. [2019-09-10 02:41:02,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:02,170 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:41:02,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:41:02,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 203 [2019-09-10 02:41:02,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:02,171 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:41:02,171 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:41:02,172 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 02:41:02,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:41:02,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:41:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:41:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:41:02,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 203 [2019-09-10 02:41:02,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:02,173 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:41:02,174 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:41:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:41:02,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:41:02,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:41:02 BoogieIcfgContainer [2019-09-10 02:41:02,180 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:41:02,183 INFO L168 Benchmark]: Toolchain (without parser) took 6759.30 ms. Allocated memory was 134.7 MB in the beginning and 323.0 MB in the end (delta: 188.2 MB). Free memory was 87.9 MB in the beginning and 260.0 MB in the end (delta: -172.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:02,184 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 134.7 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 02:41:02,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1137.34 ms. Allocated memory was 134.7 MB in the beginning and 203.4 MB in the end (delta: 68.7 MB). Free memory was 87.7 MB in the beginning and 135.6 MB in the end (delta: -47.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:02,188 INFO L168 Benchmark]: Boogie Preprocessor took 191.01 ms. Allocated memory is still 203.4 MB. Free memory was 135.6 MB in the beginning and 126.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:02,189 INFO L168 Benchmark]: RCFGBuilder took 2428.78 ms. Allocated memory was 203.4 MB in the beginning and 260.6 MB in the end (delta: 57.1 MB). Free memory was 126.5 MB in the beginning and 149.2 MB in the end (delta: -22.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:41:02,191 INFO L168 Benchmark]: TraceAbstraction took 2998.08 ms. Allocated memory was 260.6 MB in the beginning and 323.0 MB in the end (delta: 62.4 MB). Free memory was 149.2 MB in the beginning and 260.0 MB in the end (delta: -110.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-10 02:41:02,202 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 134.7 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 1137.34 ms. Allocated memory was 134.7 MB in the beginning and 203.4 MB in the end (delta: 68.7 MB). Free memory was 87.7 MB in the beginning and 135.6 MB in the end (delta: -47.9 MB). Peak memory consumption was 35.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.01 ms. Allocated memory is still 203.4 MB. Free memory was 135.6 MB in the beginning and 126.5 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2428.78 ms. Allocated memory was 203.4 MB in the beginning and 260.6 MB in the end (delta: 57.1 MB). Free memory was 126.5 MB in the beginning and 149.2 MB in the end (delta: -22.7 MB). Peak memory consumption was 83.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2998.08 ms. Allocated memory was 260.6 MB in the beginning and 323.0 MB in the end (delta: 62.4 MB). Free memory was 149.2 MB in the beginning and 260.0 MB in the end (delta: -110.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 265]: 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 113 procedures, 785 locations, 1 error locations. SAFE Result, 2.9s OverallTime, 4 OverallIterations, 3 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1900 SDtfs, 52 SDslu, 1243 SDs, 0 SdLazy, 8 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=521occurred in iteration=0, 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, 2.297029702970297 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 792 ConstructedInterpolants, 0 QuantifiedInterpolants, 196826 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 164/168 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...