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-fea9116 [2019-09-20 13:29:21,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:21,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:21,938 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:21,938 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:21,939 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:21,940 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:21,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:21,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:21,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:21,946 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:21,947 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:21,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:21,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:21,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:21,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:21,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:21,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:21,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:21,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:21,957 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:21,958 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:21,959 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:21,960 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:21,962 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:21,963 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:21,963 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:21,964 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:21,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:21,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:21,965 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:21,966 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:21,967 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:21,968 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:21,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:21,969 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:21,969 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:21,970 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:21,970 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:21,971 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:21,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:21,972 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 [2019-09-20 13:29:21,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:21,987 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:21,988 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:21,988 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:21,989 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:21,989 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:21,989 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:21,989 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:21,990 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:21,990 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:21,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:21,991 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:21,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:21,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:21,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:21,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:21,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:21,992 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:21,992 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:21,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:21,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:21,993 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:21,993 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:21,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:21,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:21,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:21,994 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:21,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:21,994 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:21,994 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:22,023 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:22,036 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:22,039 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:22,041 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:22,041 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:22,042 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product12.cil.c [2019-09-20 13:29:22,104 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f421f79e5/d42ac8a4272b457c86e83f7184afe894/FLAG60a209b69 [2019-09-20 13:29:22,752 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:22,752 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product12.cil.c [2019-09-20 13:29:22,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f421f79e5/d42ac8a4272b457c86e83f7184afe894/FLAG60a209b69 [2019-09-20 13:29:22,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f421f79e5/d42ac8a4272b457c86e83f7184afe894 [2019-09-20 13:29:22,906 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:22,908 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:22,909 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:22,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:22,913 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:22,915 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:22" (1/1) ... [2019-09-20 13:29:22,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c2dfa5c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:22, skipping insertion in model container [2019-09-20 13:29:22,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:22" (1/1) ... [2019-09-20 13:29:22,926 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:23,000 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:23,775 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:23,807 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:23,961 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:24,048 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:24,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24 WrapperNode [2019-09-20 13:29:24,048 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:24,049 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:24,049 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:24,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:24,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,097 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,097 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,163 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,197 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (1/1) ... [2019-09-20 13:29:24,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:24,223 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:24,223 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:24,223 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:24,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (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 [2019-09-20 13:29:24,297 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-09-20 13:29:24,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-09-20 13:29:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-20 13:29:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:24,299 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-20 13:29:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-20 13:29:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-20 13:29:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-20 13:29:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-20 13:29:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-20 13:29:24,300 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-20 13:29:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-20 13:29:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-20 13:29:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-20 13:29:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-20 13:29:24,301 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-20 13:29:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-20 13:29:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-20 13:29:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-20 13:29:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-20 13:29:24,302 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-20 13:29:24,303 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-20 13:29:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-20 13:29:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-20 13:29:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-20 13:29:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-20 13:29:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-20 13:29:24,304 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-20 13:29:24,305 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-20 13:29:24,306 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-20 13:29:24,307 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-20 13:29:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:24,308 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-20 13:29:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-20 13:29:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-20 13:29:24,309 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-20 13:29:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-20 13:29:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-20 13:29:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-20 13:29:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-20 13:29:24,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-20 13:29:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-20 13:29:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-20 13:29:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-20 13:29:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-20 13:29:24,311 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-20 13:29:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-20 13:29:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-20 13:29:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-20 13:29:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-20 13:29:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-20 13:29:24,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-20 13:29:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-20 13:29:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-20 13:29:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-20 13:29:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-20 13:29:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-20 13:29:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-20 13:29:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-20 13:29:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-20 13:29:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-20 13:29:24,315 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:24,315 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-09-20 13:29:24,316 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-20 13:29:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-20 13:29:24,317 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-20 13:29:24,318 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-20 13:29:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-20 13:29:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-20 13:29:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-20 13:29:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-20 13:29:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-20 13:29:24,319 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-20 13:29:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-20 13:29:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-20 13:29:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-20 13:29:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-20 13:29:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-20 13:29:24,320 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-20 13:29:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-20 13:29:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-20 13:29:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-20 13:29:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-20 13:29:24,321 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-20 13:29:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-20 13:29:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-20 13:29:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-20 13:29:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-20 13:29:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-20 13:29:24,322 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-20 13:29:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-20 13:29:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-20 13:29:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-20 13:29:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-20 13:29:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-20 13:29:24,323 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-20 13:29:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-20 13:29:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-20 13:29:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-20 13:29:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-20 13:29:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-20 13:29:24,324 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-20 13:29:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-20 13:29:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-20 13:29:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-20 13:29:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-20 13:29:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-20 13:29:24,325 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-20 13:29:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-20 13:29:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-20 13:29:24,326 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-20 13:29:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-20 13:29:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-20 13:29:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-20 13:29:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-20 13:29:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-20 13:29:24,327 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-20 13:29:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-20 13:29:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-20 13:29:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-20 13:29:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-20 13:29:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:24,328 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:24,329 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:24,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-20 13:29:24,331 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-20 13:29:24,332 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-20 13:29:24,333 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-20 13:29:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-20 13:29:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-20 13:29:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-20 13:29:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-20 13:29:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:24,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:24,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:26,283 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:26,284 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:29:26,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:26 BoogieIcfgContainer [2019-09-20 13:29:26,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:26,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:26,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:26,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:26,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:22" (1/3) ... [2019-09-20 13:29:26,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217dfd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:26, skipping insertion in model container [2019-09-20 13:29:26,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:24" (2/3) ... [2019-09-20 13:29:26,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@217dfd4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:26, skipping insertion in model container [2019-09-20 13:29:26,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:26" (3/3) ... [2019-09-20 13:29:26,294 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product12.cil.c [2019-09-20 13:29:26,307 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:26,318 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:26,339 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:26,373 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:26,373 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:26,373 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:26,373 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:26,374 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:26,374 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:26,374 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:26,374 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states. [2019-09-20 13:29:26,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-20 13:29:26,447 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:26,449 INFO L407 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] [2019-09-20 13:29:26,452 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:26,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:26,458 INFO L82 PathProgramCache]: Analyzing trace with hash -269338091, now seen corresponding path program 1 times [2019-09-20 13:29:26,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:26,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:26,528 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:26,528 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:26,528 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:27,067 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:27,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:27,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:27,070 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:27,078 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:27,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:27,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:27,105 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 2 states. [2019-09-20 13:29:27,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:27,181 INFO L93 Difference]: Finished difference Result 392 states and 525 transitions. [2019-09-20 13:29:27,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:27,184 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-09-20 13:29:27,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:27,205 INFO L225 Difference]: With dead ends: 392 [2019-09-20 13:29:27,205 INFO L226 Difference]: Without dead ends: 383 [2019-09-20 13:29:27,207 INFO L636 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 [2019-09-20 13:29:27,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-09-20 13:29:27,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-09-20 13:29:27,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-20 13:29:27,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2019-09-20 13:29:27,283 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 145 [2019-09-20 13:29:27,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:27,286 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2019-09-20 13:29:27,286 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:27,286 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2019-09-20 13:29:27,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-20 13:29:27,294 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:27,294 INFO L407 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] [2019-09-20 13:29:27,296 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:27,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:27,297 INFO L82 PathProgramCache]: Analyzing trace with hash -244756459, now seen corresponding path program 1 times [2019-09-20 13:29:27,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:27,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:27,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,304 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:27,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:27,568 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:27,569 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:27,569 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:27,569 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:27,572 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:27,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:27,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:27,573 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand 3 states. [2019-09-20 13:29:27,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:27,609 INFO L93 Difference]: Finished difference Result 386 states and 517 transitions. [2019-09-20 13:29:27,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:27,610 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-20 13:29:27,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:27,620 INFO L225 Difference]: With dead ends: 386 [2019-09-20 13:29:27,620 INFO L226 Difference]: Without dead ends: 386 [2019-09-20 13:29:27,622 INFO L636 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 [2019-09-20 13:29:27,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-09-20 13:29:27,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2019-09-20 13:29:27,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-09-20 13:29:27,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions. [2019-09-20 13:29:27,669 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 146 [2019-09-20 13:29:27,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:27,672 INFO L475 AbstractCegarLoop]: Abstraction has 385 states and 516 transitions. [2019-09-20 13:29:27,672 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:27,672 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2019-09-20 13:29:27,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-20 13:29:27,675 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:27,676 INFO L407 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] [2019-09-20 13:29:27,676 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:27,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:27,677 INFO L82 PathProgramCache]: Analyzing trace with hash 717403297, now seen corresponding path program 1 times [2019-09-20 13:29:27,677 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:27,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,683 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:27,683 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,683 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:27,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:29:27,838 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:27,838 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:27,838 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:27,839 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:27,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:27,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:27,840 INFO L87 Difference]: Start difference. First operand 385 states and 516 transitions. Second operand 3 states. [2019-09-20 13:29:27,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:27,864 INFO L93 Difference]: Finished difference Result 424 states and 583 transitions. [2019-09-20 13:29:27,865 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:27,865 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-20 13:29:27,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:27,869 INFO L225 Difference]: With dead ends: 424 [2019-09-20 13:29:27,869 INFO L226 Difference]: Without dead ends: 424 [2019-09-20 13:29:27,869 INFO L636 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 [2019-09-20 13:29:27,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-09-20 13:29:27,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2019-09-20 13:29:27,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-09-20 13:29:27,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 582 transitions. [2019-09-20 13:29:27,892 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 582 transitions. Word has length 152 [2019-09-20 13:29:27,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:27,893 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 582 transitions. [2019-09-20 13:29:27,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:27,893 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 582 transitions. [2019-09-20 13:29:27,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:29:27,896 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:27,897 INFO L407 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] [2019-09-20 13:29:27,897 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:27,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:27,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1877715425, now seen corresponding path program 1 times [2019-09-20 13:29:27,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:27,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:27,902 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:27,902 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-20 13:29:28,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:28,102 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:28,102 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:28,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:28,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:28,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:28,104 INFO L87 Difference]: Start difference. First operand 423 states and 582 transitions. Second operand 3 states. [2019-09-20 13:29:28,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:28,151 INFO L93 Difference]: Finished difference Result 495 states and 683 transitions. [2019-09-20 13:29:28,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:28,151 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-20 13:29:28,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:28,159 INFO L225 Difference]: With dead ends: 495 [2019-09-20 13:29:28,159 INFO L226 Difference]: Without dead ends: 484 [2019-09-20 13:29:28,159 INFO L636 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 [2019-09-20 13:29:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-09-20 13:29:28,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-09-20 13:29:28,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-20 13:29:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 664 transitions. [2019-09-20 13:29:28,199 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 664 transitions. Word has length 153 [2019-09-20 13:29:28,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:28,202 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 664 transitions. [2019-09-20 13:29:28,202 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:28,202 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 664 transitions. [2019-09-20 13:29:28,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-20 13:29:28,212 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:28,212 INFO L407 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] [2019-09-20 13:29:28,213 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:28,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:28,213 INFO L82 PathProgramCache]: Analyzing trace with hash -400101129, now seen corresponding path program 1 times [2019-09-20 13:29:28,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:28,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:28,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:28,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:28,218 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-09-20 13:29:28,581 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:28,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:29:28,581 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:28,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:29:28,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:29:28,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:29:28,584 INFO L87 Difference]: Start difference. First operand 484 states and 664 transitions. Second operand 10 states. [2019-09-20 13:29:30,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:30,035 INFO L93 Difference]: Finished difference Result 421 states and 580 transitions. [2019-09-20 13:29:30,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:29:30,036 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 249 [2019-09-20 13:29:30,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:30,037 INFO L225 Difference]: With dead ends: 421 [2019-09-20 13:29:30,037 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:30,038 INFO L636 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 [2019-09-20 13:29:30,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:30,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:30,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:30,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:30,039 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2019-09-20 13:29:30,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:30,039 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:30,039 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:29:30,039 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:30,040 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:30,045 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:30 BoogieIcfgContainer [2019-09-20 13:29:30,045 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:30,048 INFO L168 Benchmark]: Toolchain (without parser) took 7139.33 ms. Allocated memory was 139.5 MB in the beginning and 331.9 MB in the end (delta: 192.4 MB). Free memory was 84.7 MB in the beginning and 248.0 MB in the end (delta: -163.3 MB). Peak memory consumption was 29.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:30,049 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:30,050 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1139.60 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 84.5 MB in the beginning and 144.7 MB in the end (delta: -60.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:30,051 INFO L168 Benchmark]: Boogie Preprocessor took 173.32 ms. Allocated memory is still 205.0 MB. Free memory was 144.7 MB in the beginning and 136.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:30,052 INFO L168 Benchmark]: RCFGBuilder took 2062.74 ms. Allocated memory was 205.0 MB in the beginning and 264.2 MB in the end (delta: 59.2 MB). Free memory was 136.0 MB in the beginning and 177.2 MB in the end (delta: -41.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:30,053 INFO L168 Benchmark]: TraceAbstraction took 3758.47 ms. Allocated memory was 264.2 MB in the beginning and 331.9 MB in the end (delta: 67.6 MB). Free memory was 177.2 MB in the beginning and 248.0 MB in the end (delta: -70.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:29:30,057 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 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1139.60 ms. Allocated memory was 139.5 MB in the beginning and 205.0 MB in the end (delta: 65.5 MB). Free memory was 84.5 MB in the beginning and 144.7 MB in the end (delta: -60.2 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 173.32 ms. Allocated memory is still 205.0 MB. Free memory was 144.7 MB in the beginning and 136.0 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2062.74 ms. Allocated memory was 205.0 MB in the beginning and 264.2 MB in the end (delta: 59.2 MB). Free memory was 136.0 MB in the beginning and 177.2 MB in the end (delta: -41.2 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3758.47 ms. Allocated memory was 264.2 MB in the beginning and 331.9 MB in the end (delta: 67.6 MB). Free memory was 177.2 MB in the beginning and 248.0 MB in the end (delta: -70.8 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 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, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2575 SDtfs, 918 SDslu, 3694 SDs, 0 SdLazy, 480 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s 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, 0.4s 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...