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_spec9_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:46:34,789 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:46:34,791 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:46:34,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:46:34,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:46:34,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:46:34,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:46:34,809 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:46:34,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:46:34,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:46:34,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:46:34,815 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:46:34,815 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:46:34,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:46:34,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:46:34,822 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:46:34,823 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:46:34,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:46:34,827 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:46:34,829 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:46:34,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:46:34,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:46:34,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:46:34,833 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:46:34,836 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:46:34,836 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:46:34,836 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:46:34,837 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:46:34,837 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:46:34,838 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:46:34,839 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:46:34,839 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:46:34,841 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:46:34,841 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:46:34,842 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:46:34,842 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:46:34,843 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:46:34,843 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:46:34,844 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:46:34,844 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:46:34,845 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:46:34,846 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 02:46:34,861 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:46:34,862 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:46:34,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:46:34,862 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:46:34,863 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:46:34,863 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:46:34,864 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:46:34,864 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:46:34,864 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:46:34,864 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:46:34,868 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:46:34,868 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:46:34,868 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:46:34,868 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:46:34,869 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:46:34,869 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:46:34,869 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:46:34,870 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:46:34,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:46:34,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:46:34,871 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:46:34,871 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:46:34,871 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:46:34,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:46:34,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:46:34,872 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:46:34,873 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:46:34,873 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:46:34,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:46:34,873 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:46:34,911 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:46:34,927 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:46:34,931 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:46:34,932 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:46:34,933 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:46:34,933 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product12.cil.c [2019-09-10 02:46:34,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3396cdd6d/dd95b77311c94f369fdf50dcdbb1a552/FLAGc72bd5263 [2019-09-10 02:46:35,683 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:46:35,683 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product12.cil.c [2019-09-10 02:46:35,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3396cdd6d/dd95b77311c94f369fdf50dcdbb1a552/FLAGc72bd5263 [2019-09-10 02:46:35,843 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3396cdd6d/dd95b77311c94f369fdf50dcdbb1a552 [2019-09-10 02:46:35,852 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:46:35,853 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:46:35,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:35,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:46:35,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:46:35,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:35" (1/1) ... [2019-09-10 02:46:35,862 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53a9f998 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:35, skipping insertion in model container [2019-09-10 02:46:35,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:46:35" (1/1) ... [2019-09-10 02:46:35,870 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:46:35,950 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:46:36,684 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:36,711 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:46:36,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:46:36,916 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:46:36,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36 WrapperNode [2019-09-10 02:46:36,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:46:36,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:46:36,918 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:46:36,918 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:46:36,930 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:36,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:36,962 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:36,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:37,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:37,039 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:37,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (1/1) ... [2019-09-10 02:46:37,068 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:46:37,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:46:37,068 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:46:37,069 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:46:37,069 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (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 02:46:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:46:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:46:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:46:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:46:37,145 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:46:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:46:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:46:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:46:37,146 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:46:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:46:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:46:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:46:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:46:37,147 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:46:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:46:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:46:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:46:37,148 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:46:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:46:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:46:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:46:37,149 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:46:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:46:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:46:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:46:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:46:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:46:37,150 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:46:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:46:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:46:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:46:37,151 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:46:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:46:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:46:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:46:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:46:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:46:37,152 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:46:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:46:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:46:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:46:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:46:37,153 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:46:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:46:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:46:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:46:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:37,154 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:46:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:46:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:46:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:46:37,155 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:46:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:46:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:46:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:46:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:46:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:46:37,156 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:46:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:46:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:46:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:46:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:46:37,157 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:46:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:46:37,158 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:46:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:46:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:46:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:46:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:46:37,159 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:46:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:46:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:46:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:46:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:46:37,160 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:46:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:46:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:46:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:46:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:46:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:46:37,161 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:46:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:46:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:46:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:46:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:46:37,162 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:46:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:46:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:46:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:46:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:46:37,163 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:46:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:46:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:46:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:46:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:46:37,164 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:46:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:46:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:46:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:46:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:46:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:46:37,165 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:46:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:46:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:46:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:46:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:46:37,166 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:46:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:46:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-09-10 02:46:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:46:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-09-10 02:46:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:46:37,167 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:46:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:46:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:46:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:46:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:46:37,168 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:46:37,169 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:46:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:46:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:46:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:46:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:46:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:46:37,170 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:46:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:46:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:46:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:46:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:46:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:46:37,171 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:46:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:46:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:46:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:46:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:46:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:46:37,172 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:46:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:46:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:46:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:46:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:46:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:46:37,173 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:46:37,174 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:46:37,175 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:46:37,176 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:46:37,177 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:46:37,178 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:46:37,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:46:37,180 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:46:37,181 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:46:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:46:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:46:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:46:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:46:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:46:37,182 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:46:37,183 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:46:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:46:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:46:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:46:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:46:37,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:46:39,333 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:46:39,333 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:46:39,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:39 BoogieIcfgContainer [2019-09-10 02:46:39,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:46:39,336 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:46:39,336 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:46:39,341 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:46:39,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:46:35" (1/3) ... [2019-09-10 02:46:39,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa327a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:39, skipping insertion in model container [2019-09-10 02:46:39,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:46:36" (2/3) ... [2019-09-10 02:46:39,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fa327a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:46:39, skipping insertion in model container [2019-09-10 02:46:39,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:46:39" (3/3) ... [2019-09-10 02:46:39,345 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product12.cil.c [2019-09-10 02:46:39,356 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:46:39,365 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:46:39,383 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:46:39,418 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:46:39,418 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:46:39,419 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:46:39,419 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:46:39,419 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:46:39,419 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:46:39,419 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:46:39,419 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:46:39,457 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states. [2019-09-10 02:46:39,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-10 02:46:39,498 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:39,500 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:39,505 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:39,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:39,511 INFO L82 PathProgramCache]: Analyzing trace with hash -269338091, now seen corresponding path program 1 times [2019-09-10 02:46:39,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:39,570 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:39,571 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:39,571 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:39,571 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:39,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:40,042 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:40,047 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:40,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:46:40,049 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:40,056 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:46:40,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:46:40,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:46:40,085 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 2 states. [2019-09-10 02:46:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:40,169 INFO L93 Difference]: Finished difference Result 392 states and 525 transitions. [2019-09-10 02:46:40,169 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:46:40,170 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-09-10 02:46:40,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:40,206 INFO L225 Difference]: With dead ends: 392 [2019-09-10 02:46:40,206 INFO L226 Difference]: Without dead ends: 383 [2019-09-10 02:46:40,211 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 02:46:40,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-09-10 02:46:40,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-09-10 02:46:40,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-10 02:46:40,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2019-09-10 02:46:40,284 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 145 [2019-09-10 02:46:40,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:40,287 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2019-09-10 02:46:40,287 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:46:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2019-09-10 02:46:40,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-10 02:46:40,291 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:40,291 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:40,292 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:40,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:40,292 INFO L82 PathProgramCache]: Analyzing trace with hash -244756459, now seen corresponding path program 1 times [2019-09-10 02:46:40,292 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:40,293 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:40,294 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:40,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:40,294 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:40,572 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:40,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:40,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:40,573 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:40,575 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:40,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:40,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:40,576 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand 3 states. [2019-09-10 02:46:40,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:40,621 INFO L93 Difference]: Finished difference Result 386 states and 517 transitions. [2019-09-10 02:46:40,622 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:40,622 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-10 02:46:40,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:40,626 INFO L225 Difference]: With dead ends: 386 [2019-09-10 02:46:40,626 INFO L226 Difference]: Without dead ends: 386 [2019-09-10 02:46:40,627 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 02:46:40,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-09-10 02:46:40,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2019-09-10 02:46:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-09-10 02:46:40,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions. [2019-09-10 02:46:40,655 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 146 [2019-09-10 02:46:40,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:40,655 INFO L475 AbstractCegarLoop]: Abstraction has 385 states and 516 transitions. [2019-09-10 02:46:40,656 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:40,656 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2019-09-10 02:46:40,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-10 02:46:40,658 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:40,658 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:40,659 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:40,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:40,659 INFO L82 PathProgramCache]: Analyzing trace with hash 717403297, now seen corresponding path program 1 times [2019-09-10 02:46:40,659 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:40,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:40,660 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:40,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:40,661 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:40,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:46:40,785 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:40,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:40,785 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:40,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:40,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:40,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:40,789 INFO L87 Difference]: Start difference. First operand 385 states and 516 transitions. Second operand 3 states. [2019-09-10 02:46:40,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:40,824 INFO L93 Difference]: Finished difference Result 424 states and 583 transitions. [2019-09-10 02:46:40,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:40,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-10 02:46:40,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:40,828 INFO L225 Difference]: With dead ends: 424 [2019-09-10 02:46:40,829 INFO L226 Difference]: Without dead ends: 424 [2019-09-10 02:46:40,829 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 02:46:40,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-09-10 02:46:40,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2019-09-10 02:46:40,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-09-10 02:46:40,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 582 transitions. [2019-09-10 02:46:40,872 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 582 transitions. Word has length 152 [2019-09-10 02:46:40,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:40,873 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 582 transitions. [2019-09-10 02:46:40,873 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:40,873 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 582 transitions. [2019-09-10 02:46:40,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-10 02:46:40,879 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:40,879 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:46:40,879 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:40,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:40,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1877715425, now seen corresponding path program 1 times [2019-09-10 02:46:40,880 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:40,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:40,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:40,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:40,882 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:41,113 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:46:41,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:41,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:46:41,114 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:41,115 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:46:41,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:46:41,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:46:41,115 INFO L87 Difference]: Start difference. First operand 423 states and 582 transitions. Second operand 3 states. [2019-09-10 02:46:41,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:41,143 INFO L93 Difference]: Finished difference Result 495 states and 683 transitions. [2019-09-10 02:46:41,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:46:41,143 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-10 02:46:41,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:41,151 INFO L225 Difference]: With dead ends: 495 [2019-09-10 02:46:41,151 INFO L226 Difference]: Without dead ends: 484 [2019-09-10 02:46:41,152 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 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 02:46:41,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-09-10 02:46:41,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-09-10 02:46:41,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-10 02:46:41,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 664 transitions. [2019-09-10 02:46:41,179 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 664 transitions. Word has length 153 [2019-09-10 02:46:41,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:41,179 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 664 transitions. [2019-09-10 02:46:41,179 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:46:41,180 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 664 transitions. [2019-09-10 02:46:41,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-10 02:46:41,185 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:46:41,185 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-10 02:46:41,185 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:46:41,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:46:41,186 INFO L82 PathProgramCache]: Analyzing trace with hash -400101129, now seen corresponding path program 1 times [2019-09-10 02:46:41,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:46:41,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:41,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:46:41,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:46:41,187 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:46:41,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:46:41,447 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-10 02:46:41,448 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:46:41,448 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:46:41,448 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:46:41,449 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:46:41,449 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:46:41,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:46:41,451 INFO L87 Difference]: Start difference. First operand 484 states and 664 transitions. Second operand 10 states. [2019-09-10 02:46:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:46:43,024 INFO L93 Difference]: Finished difference Result 421 states and 580 transitions. [2019-09-10 02:46:43,025 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-10 02:46:43,025 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 249 [2019-09-10 02:46:43,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:46:43,026 INFO L225 Difference]: With dead ends: 421 [2019-09-10 02:46:43,027 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:46:43,027 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2019-09-10 02:46:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:46:43,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:46:43,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:46:43,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:46:43,028 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2019-09-10 02:46:43,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:46:43,029 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:46:43,029 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:46:43,029 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:46:43,029 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:46:43,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:46:43 BoogieIcfgContainer [2019-09-10 02:46:43,035 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:46:43,038 INFO L168 Benchmark]: Toolchain (without parser) took 7183.05 ms. Allocated memory was 132.6 MB in the beginning and 341.3 MB in the end (delta: 208.7 MB). Free memory was 85.4 MB in the beginning and 66.5 MB in the end (delta: 18.8 MB). Peak memory consumption was 227.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:43,038 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:46:43,040 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1062.60 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 135.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:43,040 INFO L168 Benchmark]: Boogie Preprocessor took 150.38 ms. Allocated memory is still 200.3 MB. Free memory was 135.8 MB in the beginning and 127.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:43,041 INFO L168 Benchmark]: RCFGBuilder took 2267.41 ms. Allocated memory was 200.3 MB in the beginning and 264.8 MB in the end (delta: 64.5 MB). Free memory was 127.1 MB in the beginning and 176.3 MB in the end (delta: -49.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:43,042 INFO L168 Benchmark]: TraceAbstraction took 3698.53 ms. Allocated memory was 264.8 MB in the beginning and 341.3 MB in the end (delta: 76.5 MB). Free memory was 176.3 MB in the beginning and 66.5 MB in the end (delta: 109.8 MB). Peak memory consumption was 186.3 MB. Max. memory is 7.1 GB. [2019-09-10 02:46:43,052 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 132.6 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1062.60 ms. Allocated memory was 132.6 MB in the beginning and 200.3 MB in the end (delta: 67.6 MB). Free memory was 85.1 MB in the beginning and 135.8 MB in the end (delta: -50.6 MB). Peak memory consumption was 33.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.38 ms. Allocated memory is still 200.3 MB. Free memory was 135.8 MB in the beginning and 127.1 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2267.41 ms. Allocated memory was 200.3 MB in the beginning and 264.8 MB in the end (delta: 64.5 MB). Free memory was 127.1 MB in the beginning and 176.3 MB in the end (delta: -49.2 MB). Peak memory consumption was 87.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3698.53 ms. Allocated memory was 264.8 MB in the beginning and 341.3 MB in the end (delta: 76.5 MB). Free memory was 176.3 MB in the beginning and 66.5 MB in the end (delta: 109.8 MB). Peak memory consumption was 186.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1452]: 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 107 procedures, 725 locations, 1 error locations. SAFE Result, 3.6s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2575 SDtfs, 918 SDslu, 3694 SDs, 0 SdLazy, 480 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 845 NumberOfCodeBlocks, 845 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 184174 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 195/195 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...