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_spec8_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:16,995 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:16,998 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:17,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:17,015 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:17,016 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:17,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:17,021 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:17,026 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:17,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:17,028 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:17,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:17,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:17,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:17,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:17,038 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:17,039 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:17,043 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:17,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:17,049 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:17,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:17,054 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:17,055 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:17,059 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:17,061 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:17,062 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:17,062 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:17,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:17,067 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:17,069 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:17,070 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:17,071 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:17,071 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:17,072 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:17,075 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:17,075 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:17,076 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:17,077 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:17,077 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:17,078 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:17,078 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:17,079 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 [2019-10-03 02:55:17,097 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:17,097 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:17,098 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:17,098 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:17,099 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:17,099 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:17,099 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:17,099 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:17,100 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:17,100 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:17,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:17,101 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:17,101 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:17,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:17,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:17,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:17,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:17,102 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:17,102 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:17,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:17,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:17,103 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:17,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:17,103 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:17,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:17,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:17,104 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:17,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:17,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:17,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:17,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:17,157 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:17,161 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:17,162 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:17,163 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:17,164 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-10-03 02:55:17,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5597dbe9/40e245fc9be24b9bae4db014316507c6/FLAGb1ad8ee5a [2019-10-03 02:55:17,878 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:17,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product14.cil.c [2019-10-03 02:55:17,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5597dbe9/40e245fc9be24b9bae4db014316507c6/FLAGb1ad8ee5a [2019-10-03 02:55:18,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5597dbe9/40e245fc9be24b9bae4db014316507c6 [2019-10-03 02:55:18,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:18,103 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:18,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:18,105 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:18,108 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:18,109 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:18" (1/1) ... [2019-10-03 02:55:18,112 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0195cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:18, skipping insertion in model container [2019-10-03 02:55:18,113 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:18" (1/1) ... [2019-10-03 02:55:18,121 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:18,205 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:18,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:18,852 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:19,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:19,110 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:19,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19 WrapperNode [2019-10-03 02:55:19,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:19,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:19,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:19,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:19,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,177 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,266 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (1/1) ... [2019-10-03 02:55:19,323 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:19,324 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:19,324 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:19,325 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:19,328 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (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 [2019-10-03 02:55:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:19,381 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:19,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:19,383 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:19,384 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:19,385 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-03 02:55:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:19,386 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:19,387 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:19,388 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:19,389 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:19,390 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:19,391 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:19,392 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-03 02:55:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:19,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:19,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:19,402 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:19,403 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:19,404 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:19,405 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:19,406 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-03 02:55:19,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:19,408 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:19,409 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:19,410 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:19,411 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:19,412 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:19,413 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:19,414 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:19,415 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:19,416 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:19,417 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:19,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:21,529 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:21,529 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:21,531 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:21 BoogieIcfgContainer [2019-10-03 02:55:21,532 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:21,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:21,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:21,537 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:21,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:18" (1/3) ... [2019-10-03 02:55:21,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9c063e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:21, skipping insertion in model container [2019-10-03 02:55:21,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:19" (2/3) ... [2019-10-03 02:55:21,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c9c063e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:21, skipping insertion in model container [2019-10-03 02:55:21,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:21" (3/3) ... [2019-10-03 02:55:21,542 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product14.cil.c [2019-10-03 02:55:21,552 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:21,568 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:21,587 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:21,628 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:21,629 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:21,629 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:21,629 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:21,629 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:21,629 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:21,629 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:21,629 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:21,671 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states. [2019-10-03 02:55:21,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:55:21,715 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:21,717 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:21,722 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:21,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:21,729 INFO L82 PathProgramCache]: Analyzing trace with hash 601456659, now seen corresponding path program 1 times [2019-10-03 02:55:21,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:21,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:21,806 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:21,806 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:21,806 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:22,390 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:22,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:22,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:22,393 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:22,400 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:22,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:22,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:22,419 INFO L87 Difference]: Start difference. First operand 521 states. Second operand 2 states. [2019-10-03 02:55:22,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:22,471 INFO L93 Difference]: Finished difference Result 479 states and 662 transitions. [2019-10-03 02:55:22,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:22,473 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:55:22,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:22,503 INFO L225 Difference]: With dead ends: 479 [2019-10-03 02:55:22,503 INFO L226 Difference]: Without dead ends: 470 [2019-10-03 02:55:22,506 INFO L640 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 [2019-10-03 02:55:22,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2019-10-03 02:55:22,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 470. [2019-10-03 02:55:22,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2019-10-03 02:55:22,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 651 transitions. [2019-10-03 02:55:22,597 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 651 transitions. Word has length 154 [2019-10-03 02:55:22,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:22,600 INFO L475 AbstractCegarLoop]: Abstraction has 470 states and 651 transitions. [2019-10-03 02:55:22,600 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:22,600 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 651 transitions. [2019-10-03 02:55:22,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-03 02:55:22,605 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:22,605 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:22,606 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:22,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:22,606 INFO L82 PathProgramCache]: Analyzing trace with hash -855609359, now seen corresponding path program 1 times [2019-10-03 02:55:22,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:22,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:22,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:22,613 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:22,613 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:22,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:22,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:22,951 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:22,951 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:22,953 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:22,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:22,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:22,954 INFO L87 Difference]: Start difference. First operand 470 states and 651 transitions. Second operand 3 states. [2019-10-03 02:55:22,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:22,996 INFO L93 Difference]: Finished difference Result 473 states and 654 transitions. [2019-10-03 02:55:22,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:22,997 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-03 02:55:22,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:23,006 INFO L225 Difference]: With dead ends: 473 [2019-10-03 02:55:23,007 INFO L226 Difference]: Without dead ends: 473 [2019-10-03 02:55:23,008 INFO L640 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 [2019-10-03 02:55:23,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-10-03 02:55:23,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 472. [2019-10-03 02:55:23,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 472 states. [2019-10-03 02:55:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 472 states and 653 transitions. [2019-10-03 02:55:23,062 INFO L78 Accepts]: Start accepts. Automaton has 472 states and 653 transitions. Word has length 155 [2019-10-03 02:55:23,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:23,063 INFO L475 AbstractCegarLoop]: Abstraction has 472 states and 653 transitions. [2019-10-03 02:55:23,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:23,063 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 653 transitions. [2019-10-03 02:55:23,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:55:23,066 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:23,066 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:23,067 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:23,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:23,067 INFO L82 PathProgramCache]: Analyzing trace with hash 85272997, now seen corresponding path program 1 times [2019-10-03 02:55:23,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:23,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:23,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:23,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:23,072 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:23,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:23,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:23,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:23,214 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:23,215 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:23,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:23,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:23,218 INFO L87 Difference]: Start difference. First operand 472 states and 653 transitions. Second operand 3 states. [2019-10-03 02:55:23,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:23,251 INFO L93 Difference]: Finished difference Result 513 states and 723 transitions. [2019-10-03 02:55:23,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:23,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:55:23,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:23,257 INFO L225 Difference]: With dead ends: 513 [2019-10-03 02:55:23,257 INFO L226 Difference]: Without dead ends: 513 [2019-10-03 02:55:23,257 INFO L640 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 [2019-10-03 02:55:23,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-10-03 02:55:23,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 512. [2019-10-03 02:55:23,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2019-10-03 02:55:23,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 722 transitions. [2019-10-03 02:55:23,282 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 722 transitions. Word has length 161 [2019-10-03 02:55:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:23,283 INFO L475 AbstractCegarLoop]: Abstraction has 512 states and 722 transitions. [2019-10-03 02:55:23,283 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 722 transitions. [2019-10-03 02:55:23,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:55:23,288 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:23,289 INFO L411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:23,289 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:23,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:23,290 INFO L82 PathProgramCache]: Analyzing trace with hash 549891817, now seen corresponding path program 1 times [2019-10-03 02:55:23,290 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:23,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:23,296 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:23,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:23,297 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 02:55:24,398 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:24,398 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-10-03 02:55:24,398 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:24,399 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-03 02:55:24,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-03 02:55:24,401 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2019-10-03 02:55:24,401 INFO L87 Difference]: Start difference. First operand 512 states and 722 transitions. Second operand 31 states. [2019-10-03 02:55:30,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:30,906 INFO L93 Difference]: Finished difference Result 1003 states and 1442 transitions. [2019-10-03 02:55:30,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-03 02:55:30,907 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 162 [2019-10-03 02:55:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:30,914 INFO L225 Difference]: With dead ends: 1003 [2019-10-03 02:55:30,914 INFO L226 Difference]: Without dead ends: 998 [2019-10-03 02:55:30,916 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=252, Invalid=3054, Unknown=0, NotChecked=0, Total=3306 [2019-10-03 02:55:30,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 998 states. [2019-10-03 02:55:30,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 998 to 768. [2019-10-03 02:55:30,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 768 states. [2019-10-03 02:55:30,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1133 transitions. [2019-10-03 02:55:30,955 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1133 transitions. Word has length 162 [2019-10-03 02:55:30,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:30,955 INFO L475 AbstractCegarLoop]: Abstraction has 768 states and 1133 transitions. [2019-10-03 02:55:30,955 INFO L476 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-03 02:55:30,955 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1133 transitions. [2019-10-03 02:55:30,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-10-03 02:55:30,961 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:30,962 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:30,962 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:30,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:30,963 INFO L82 PathProgramCache]: Analyzing trace with hash 128931203, now seen corresponding path program 1 times [2019-10-03 02:55:30,963 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:30,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:30,967 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:30,967 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:30,968 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:31,802 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:55:31,802 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:31,802 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:31,803 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2019-10-03 02:55:31,805 INFO L207 CegarAbsIntRunner]: [96], [99], [109], [110], [139], [142], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [300], [303], [312], [333], [335], [336], [339], [349], [381], [384], [386], [391], [586], [588], [589], [590], [626], [629], [631], [634], [643], [672], [689], [690], [724], [728], [731], [739], [742], [801], [810], [814], [816], [818], [821], [828], [835], [838], [1099], [1153], [1155], [1172], [1194], [1205], [1208], [1209], [1212], [1215], [1246], [1247], [1249], [1251], [1258], [1264], [1266], [1335], [1338], [1344], [1379], [1382], [1396], [1404], [1407], [1416], [1610], [1612], [1614], [1616], [1617], [1639], [1649], [1650], [1651], [1652], [1653], [1654], [1657], [1658], [1659], [1660], [1661], [1663], [1664], [1665], [1666], [1681], [1682], [1689], [1690], [1691], [1711], [1712], [1725], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1739], [1741], [1742], [1743], [1744], [1789], [1791], [1792], [1809], [1811], [1812], [1813], [1814], [1815], [1816], [1817], [1818], [1823], [1825], [1826], [1827], [1849], [1850], [1851], [1852], [1853], [1854], [1855], [1856], [1857] [2019-10-03 02:55:31,855 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:31,856 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:32,017 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:32,019 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 194 root evaluator evaluations with a maximum evaluation depth of 0. Performed 194 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 378 variables. [2019-10-03 02:55:32,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:32,025 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:32,149 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:32,149 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:32,159 INFO L420 sIntCurrentIteration]: We unified 162 AI predicates to 162 [2019-10-03 02:55:32,160 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:32,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:32,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [31] total 31 [2019-10-03 02:55:32,163 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:32,163 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:32,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:32,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:32,164 INFO L87 Difference]: Start difference. First operand 768 states and 1133 transitions. Second operand 2 states. [2019-10-03 02:55:32,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:32,165 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:32,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:32,165 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 163 [2019-10-03 02:55:32,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:32,166 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:32,166 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:32,167 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:32,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:32,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:32,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:32,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2019-10-03 02:55:32,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:32,168 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:32,168 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:32,169 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:32,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:32 BoogieIcfgContainer [2019-10-03 02:55:32,175 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:32,178 INFO L168 Benchmark]: Toolchain (without parser) took 14073.48 ms. Allocated memory was 131.6 MB in the beginning and 431.0 MB in the end (delta: 299.4 MB). Free memory was 85.0 MB in the beginning and 48.2 MB in the end (delta: 36.8 MB). Peak memory consumption was 336.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:32,179 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:32,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1007.06 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 130.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:32,183 INFO L168 Benchmark]: Boogie Preprocessor took 211.97 ms. Allocated memory is still 198.7 MB. Free memory was 130.5 MB in the beginning and 121.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:32,185 INFO L168 Benchmark]: RCFGBuilder took 2207.50 ms. Allocated memory was 198.7 MB in the beginning and 272.6 MB in the end (delta: 73.9 MB). Free memory was 121.6 MB in the beginning and 168.8 MB in the end (delta: -47.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:32,186 INFO L168 Benchmark]: TraceAbstraction took 10641.88 ms. Allocated memory was 272.6 MB in the beginning and 431.0 MB in the end (delta: 158.3 MB). Free memory was 168.8 MB in the beginning and 48.2 MB in the end (delta: 120.6 MB). Peak memory consumption was 278.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:32,197 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 105.9 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1007.06 ms. Allocated memory was 131.6 MB in the beginning and 198.7 MB in the end (delta: 67.1 MB). Free memory was 84.6 MB in the beginning and 130.5 MB in the end (delta: -45.9 MB). Peak memory consumption was 32.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 211.97 ms. Allocated memory is still 198.7 MB. Free memory was 130.5 MB in the beginning and 121.6 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2207.50 ms. Allocated memory was 198.7 MB in the beginning and 272.6 MB in the end (delta: 73.9 MB). Free memory was 121.6 MB in the beginning and 168.8 MB in the end (delta: -47.2 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10641.88 ms. Allocated memory was 272.6 MB in the beginning and 431.0 MB in the end (delta: 158.3 MB). Free memory was 168.8 MB in the beginning and 48.2 MB in the end (delta: 120.6 MB). Peak memory consumption was 278.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 735]: 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 110 procedures, 755 locations, 1 error locations. SAFE Result, 10.5s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 6.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2748 SDtfs, 1580 SDslu, 18882 SDs, 0 SdLazy, 3034 SolverSat, 374 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 235 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=768occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.4074074074074074 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 232 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 795 NumberOfCodeBlocks, 795 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 790 ConstructedInterpolants, 0 QuantifiedInterpolants, 211086 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 143/146 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...