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_product12.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:29:17,078 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:29:17,080 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:29:17,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:29:17,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:29:17,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:29:17,095 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:29:17,096 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:29:17,098 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:29:17,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:29:17,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:29:17,101 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:29:17,101 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:29:17,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:29:17,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:29:17,104 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:29:17,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:29:17,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:29:17,110 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:29:17,112 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:29:17,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:29:17,116 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:29:17,117 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:29:17,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:29:17,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:29:17,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:29:17,125 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:29:17,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:29:17,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:29:17,128 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:29:17,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:29:17,129 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:29:17,131 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:29:17,132 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:29:17,135 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:29:17,135 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:29:17,135 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:29:17,136 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:29:17,136 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:29:17,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:29:17,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:29:17,140 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 13:29:17,163 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:29:17,163 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:29:17,164 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:29:17,164 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:29:17,165 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:29:17,165 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:29:17,165 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:29:17,165 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:29:17,165 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:29:17,166 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:29:17,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:29:17,168 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:29:17,168 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:29:17,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:29:17,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:29:17,169 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:29:17,169 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:29:17,169 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:29:17,169 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:29:17,170 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:29:17,170 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:29:17,170 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:29:17,171 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:29:17,171 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:29:17,171 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:29:17,171 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:29:17,172 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:29:17,172 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:29:17,172 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:29:17,172 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:29:17,217 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:29:17,227 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:29:17,230 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:29:17,231 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:29:17,232 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:29:17,232 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-09-20 13:29:17,305 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ccd3199/3d4ca33ab65a4c9b88785cdaf649e1d0/FLAG92e946320 [2019-09-20 13:29:17,923 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:29:17,923 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product12.cil.c [2019-09-20 13:29:17,947 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ccd3199/3d4ca33ab65a4c9b88785cdaf649e1d0/FLAG92e946320 [2019-09-20 13:29:18,139 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ccd3199/3d4ca33ab65a4c9b88785cdaf649e1d0 [2019-09-20 13:29:18,148 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:29:18,149 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:29:18,150 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:18,151 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:29:18,154 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:29:18,155 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:18,158 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78aa3293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:18, skipping insertion in model container [2019-09-20 13:29:18,158 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:29:18" (1/1) ... [2019-09-20 13:29:18,167 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:29:18,266 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:29:18,920 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:18,949 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:29:19,066 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:29:19,143 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:29:19,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19 WrapperNode [2019-09-20 13:29:19,144 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:29:19,145 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:29:19,145 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:29:19,145 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:29:19,158 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,262 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (1/1) ... [2019-09-20 13:29:19,294 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:29:19,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:29:19,295 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:29:19,295 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:29:19,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (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 [2019-09-20 13:29:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:29:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:29:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:29:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:29:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:29:19,395 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-20 13:29:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-20 13:29:19,396 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-20 13:29:19,397 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-20 13:29:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-20 13:29:19,398 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-20 13:29:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-20 13:29:19,399 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-20 13:29:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:29:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:29:19,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-20 13:29:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-20 13:29:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-20 13:29:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-20 13:29:19,401 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-20 13:29:19,402 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-20 13:29:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-20 13:29:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-20 13:29:19,403 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-20 13:29:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:29:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:29:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:29:19,404 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:29:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:29:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:29:19,405 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-20 13:29:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-20 13:29:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-20 13:29:19,406 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-20 13:29:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-20 13:29:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-20 13:29:19,407 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-20 13:29:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-20 13:29:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-20 13:29:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-20 13:29:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-20 13:29:19,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-20 13:29:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-20 13:29:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-20 13:29:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-20 13:29:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-20 13:29:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-20 13:29:19,409 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-20 13:29:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-20 13:29:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-20 13:29:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-20 13:29:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-20 13:29:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-20 13:29:19,410 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-20 13:29:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-20 13:29:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-20 13:29:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-20 13:29:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-20 13:29:19,411 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-20 13:29:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-20 13:29:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-20 13:29:19,412 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-20 13:29:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-20 13:29:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-20 13:29:19,413 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-20 13:29:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-20 13:29:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-20 13:29:19,414 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-20 13:29:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-20 13:29:19,415 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-20 13:29:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-20 13:29:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-20 13:29:19,416 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-20 13:29:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-20 13:29:19,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-20 13:29:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-20 13:29:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-20 13:29:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-20 13:29:19,418 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-20 13:29:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-20 13:29:19,419 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-20 13:29:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-20 13:29:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-20 13:29:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-20 13:29:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-20 13:29:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-20 13:29:19,422 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-20 13:29:19,423 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-20 13:29:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-20 13:29:19,424 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-20 13:29:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:29:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:29:19,424 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:29:19,425 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:29:19,426 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-20 13:29:19,427 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-20 13:29:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-20 13:29:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-20 13:29:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-20 13:29:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-20 13:29:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-20 13:29:19,428 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-20 13:29:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:29:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:29:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:29:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-20 13:29:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-20 13:29:19,429 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-20 13:29:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-20 13:29:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-20 13:29:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-20 13:29:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-20 13:29:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-20 13:29:19,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-20 13:29:19,431 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-20 13:29:19,432 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-20 13:29:19,433 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-20 13:29:19,434 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-20 13:29:19,435 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-20 13:29:19,436 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-20 13:29:19,437 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-20 13:29:19,438 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-20 13:29:19,439 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-20 13:29:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-20 13:29:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-20 13:29:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-20 13:29:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-20 13:29:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-20 13:29:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-20 13:29:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:29:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:29:19,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:29:21,420 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:29:21,420 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-20 13:29:21,422 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:21 BoogieIcfgContainer [2019-09-20 13:29:21,422 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:29:21,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:29:21,423 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:29:21,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:29:21,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:29:18" (1/3) ... [2019-09-20 13:29:21,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778b37b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:21, skipping insertion in model container [2019-09-20 13:29:21,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:29:19" (2/3) ... [2019-09-20 13:29:21,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@778b37b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:29:21, skipping insertion in model container [2019-09-20 13:29:21,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:29:21" (3/3) ... [2019-09-20 13:29:21,430 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product12.cil.c [2019-09-20 13:29:21,439 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:29:21,448 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:29:21,465 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:29:21,491 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:29:21,491 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:29:21,492 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:29:21,492 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:29:21,492 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:29:21,492 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:29:21,492 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:29:21,492 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:29:21,516 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states. [2019-09-20 13:29:21,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-20 13:29:21,540 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:21,541 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 13:29:21,543 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:21,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:21,549 INFO L82 PathProgramCache]: Analyzing trace with hash 469498935, now seen corresponding path program 1 times [2019-09-20 13:29:21,552 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:21,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:21,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:21,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:21,614 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:21,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:22,174 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 13:29:22,179 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:22,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:29:22,180 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:22,187 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:22,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:22,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:22,214 INFO L87 Difference]: Start difference. First operand 428 states. Second operand 2 states. [2019-09-20 13:29:22,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:22,290 INFO L93 Difference]: Finished difference Result 392 states and 525 transitions. [2019-09-20 13:29:22,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:22,294 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-09-20 13:29:22,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:22,327 INFO L225 Difference]: With dead ends: 392 [2019-09-20 13:29:22,327 INFO L226 Difference]: Without dead ends: 383 [2019-09-20 13:29:22,329 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 13:29:22,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-09-20 13:29:22,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2019-09-20 13:29:22,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2019-09-20 13:29:22,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 514 transitions. [2019-09-20 13:29:22,415 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 514 transitions. Word has length 145 [2019-09-20 13:29:22,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:22,420 INFO L475 AbstractCegarLoop]: Abstraction has 383 states and 514 transitions. [2019-09-20 13:29:22,420 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:22,420 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 514 transitions. [2019-09-20 13:29:22,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-20 13:29:22,426 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:22,426 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 13:29:22,427 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:22,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:22,427 INFO L82 PathProgramCache]: Analyzing trace with hash 312738911, now seen corresponding path program 1 times [2019-09-20 13:29:22,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:22,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,437 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:22,437 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,437 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:22,712 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 13:29:22,712 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:22,712 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:22,712 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:22,718 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:22,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:22,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:22,719 INFO L87 Difference]: Start difference. First operand 383 states and 514 transitions. Second operand 3 states. [2019-09-20 13:29:22,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:22,755 INFO L93 Difference]: Finished difference Result 386 states and 517 transitions. [2019-09-20 13:29:22,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:22,756 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-20 13:29:22,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:22,759 INFO L225 Difference]: With dead ends: 386 [2019-09-20 13:29:22,759 INFO L226 Difference]: Without dead ends: 386 [2019-09-20 13:29:22,760 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 13:29:22,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2019-09-20 13:29:22,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 385. [2019-09-20 13:29:22,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2019-09-20 13:29:22,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 516 transitions. [2019-09-20 13:29:22,783 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 516 transitions. Word has length 146 [2019-09-20 13:29:22,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:22,784 INFO L475 AbstractCegarLoop]: Abstraction has 385 states and 516 transitions. [2019-09-20 13:29:22,784 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 516 transitions. [2019-09-20 13:29:22,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-09-20 13:29:22,787 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:22,787 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 13:29:22,788 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:22,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:22,788 INFO L82 PathProgramCache]: Analyzing trace with hash 19675627, now seen corresponding path program 1 times [2019-09-20 13:29:22,788 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:22,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:22,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:22,793 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:22,919 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 13:29:22,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:22,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:22,919 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:22,920 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:22,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:22,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:22,921 INFO L87 Difference]: Start difference. First operand 385 states and 516 transitions. Second operand 3 states. [2019-09-20 13:29:22,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:22,948 INFO L93 Difference]: Finished difference Result 424 states and 583 transitions. [2019-09-20 13:29:22,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:22,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-09-20 13:29:22,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:22,955 INFO L225 Difference]: With dead ends: 424 [2019-09-20 13:29:22,955 INFO L226 Difference]: Without dead ends: 424 [2019-09-20 13:29:22,957 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 13:29:22,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2019-09-20 13:29:22,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 423. [2019-09-20 13:29:22,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-09-20 13:29:22,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 582 transitions. [2019-09-20 13:29:22,989 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 582 transitions. Word has length 152 [2019-09-20 13:29:22,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:22,991 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 582 transitions. [2019-09-20 13:29:22,991 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:22,992 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 582 transitions. [2019-09-20 13:29:23,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-09-20 13:29:23,001 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:23,002 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 13:29:23,002 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:23,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:23,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1390914625, now seen corresponding path program 1 times [2019-09-20 13:29:23,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:23,008 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,008 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:23,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,009 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:23,345 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 13:29:23,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:29:23,346 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:29:23,346 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:23,348 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:29:23,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:29:23,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:29:23,349 INFO L87 Difference]: Start difference. First operand 423 states and 582 transitions. Second operand 3 states. [2019-09-20 13:29:23,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:23,393 INFO L93 Difference]: Finished difference Result 495 states and 683 transitions. [2019-09-20 13:29:23,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:29:23,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 153 [2019-09-20 13:29:23,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:23,402 INFO L225 Difference]: With dead ends: 495 [2019-09-20 13:29:23,402 INFO L226 Difference]: Without dead ends: 484 [2019-09-20 13:29:23,404 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 13:29:23,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-09-20 13:29:23,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 484. [2019-09-20 13:29:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-20 13:29:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 664 transitions. [2019-09-20 13:29:23,448 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 664 transitions. Word has length 153 [2019-09-20 13:29:23,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:23,450 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 664 transitions. [2019-09-20 13:29:23,451 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:29:23,451 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 664 transitions. [2019-09-20 13:29:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-09-20 13:29:23,462 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:29:23,462 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 13:29:23,463 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:29:23,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:23,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1588169878, now seen corresponding path program 1 times [2019-09-20 13:29:23,464 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:29:23,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:29:23,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:29:23,471 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:29:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:29:24,064 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 16 proven. 8 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-09-20 13:29:24,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:29:24,065 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:29:24,066 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2019-09-20 13:29:24,082 INFO L207 CegarAbsIntRunner]: [29], [30], [72], [75], [85], [110], [113], [118], [120], [122], [126], [129], [143], [144], [146], [256], [258], [261], [262], [265], [266], [267], [270], [276], [277], [278], [300], [302], [303], [306], [315], [336], [338], [339], [342], [352], [353], [354], [381], [384], [386], [391], [395], [397], [411], [413], [414], [586], [588], [589], [590], [626], [629], [643], [672], [673], [684], [686], [688], [690], [714], [718], [721], [739], [742], [767], [770], [795], [798], [801], [810], [814], [816], [818], [821], [828], [835], [838], [1097], [1151], [1153], [1155], [1162], [1165], [1184], [1195], [1198], [1199], [1202], [1205], [1236], [1237], [1239], [1241], [1308], [1311], [1317], [1352], [1355], [1369], [1377], [1380], [1389], [1403], [1404], [1578], [1580], [1582], [1584], [1585], [1607], [1608], [1609], [1610], [1611], [1612], [1613], [1614], [1615], [1617], [1618], [1619], [1620], [1621], [1622], [1625], [1626], [1627], [1628], [1629], [1630], [1631], [1632], [1633], [1634], [1641], [1642], [1651], [1652], [1657], [1658], [1659], [1661], [1662], [1679], [1680], [1693], [1694], [1695], [1696], [1697], [1698], [1699], [1700], [1701], [1702], [1703], [1704], [1705], [1706], [1707], [1709], [1710], [1711], [1712], [1721], [1722], [1723], [1724], [1735], [1736], [1755], [1757], [1758], [1759], [1760], [1765], [1766], [1767], [1768], [1769], [1770], [1771], [1772], [1773], [1774], [1787], [1788], [1789], [1790], [1791], [1792], [1793], [1794], [1795] [2019-09-20 13:29:24,138 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:29:24,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:29:24,287 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:29:24,289 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 190 root evaluator evaluations with a maximum evaluation depth of 0. Performed 190 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 370 variables. [2019-09-20 13:29:24,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:29:24,292 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:29:24,374 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:29:24,374 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:29:24,387 INFO L420 sIntCurrentIteration]: We unified 248 AI predicates to 248 [2019-09-20 13:29:24,388 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:29:24,391 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:29:24,392 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [21] total 21 [2019-09-20 13:29:24,392 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:29:24,393 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:29:24,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:29:24,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:29:24,394 INFO L87 Difference]: Start difference. First operand 484 states and 664 transitions. Second operand 2 states. [2019-09-20 13:29:24,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:29:24,396 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:29:24,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:29:24,397 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 249 [2019-09-20 13:29:24,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:29:24,397 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:29:24,397 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:29:24,398 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 248 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 13:29:24,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:29:24,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:29:24,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:29:24,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:29:24,399 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 249 [2019-09-20 13:29:24,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:29:24,400 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:29:24,400 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:29:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:29:24,400 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:29:24,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:29:24 BoogieIcfgContainer [2019-09-20 13:29:24,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:29:24,411 INFO L168 Benchmark]: Toolchain (without parser) took 6260.22 ms. Allocated memory was 140.5 MB in the beginning and 331.4 MB in the end (delta: 190.8 MB). Free memory was 85.0 MB in the beginning and 63.5 MB in the end (delta: 21.6 MB). Peak memory consumption was 212.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,413 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.5 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,414 INFO L168 Benchmark]: CACSL2BoogieTranslator took 994.11 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 84.8 MB in the beginning and 135.8 MB in the end (delta: -51.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,415 INFO L168 Benchmark]: Boogie Preprocessor took 149.21 ms. Allocated memory is still 200.8 MB. Free memory was 135.8 MB in the beginning and 126.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,417 INFO L168 Benchmark]: RCFGBuilder took 2127.57 ms. Allocated memory was 200.8 MB in the beginning and 263.7 MB in the end (delta: 62.9 MB). Free memory was 126.8 MB in the beginning and 168.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,418 INFO L168 Benchmark]: TraceAbstraction took 2984.82 ms. Allocated memory was 263.7 MB in the beginning and 331.4 MB in the end (delta: 67.6 MB). Free memory was 166.2 MB in the beginning and 63.5 MB in the end (delta: 102.7 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:29:24,428 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 140.5 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 994.11 ms. Allocated memory was 140.5 MB in the beginning and 200.8 MB in the end (delta: 60.3 MB). Free memory was 84.8 MB in the beginning and 135.8 MB in the end (delta: -51.0 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.21 ms. Allocated memory is still 200.8 MB. Free memory was 135.8 MB in the beginning and 126.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2127.57 ms. Allocated memory was 200.8 MB in the beginning and 263.7 MB in the end (delta: 62.9 MB). Free memory was 126.8 MB in the beginning and 168.3 MB in the end (delta: -41.5 MB). Peak memory consumption was 87.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2984.82 ms. Allocated memory was 263.7 MB in the beginning and 331.4 MB in the end (delta: 67.6 MB). Free memory was 166.2 MB in the beginning and 63.5 MB in the end (delta: 102.7 MB). Peak memory consumption was 170.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 747]: 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, 2.9s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2087 SDtfs, 435 SDslu, 1202 SDs, 0 SdLazy, 11 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.9556451612903225 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 845 NumberOfCodeBlocks, 845 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 840 ConstructedInterpolants, 0 QuantifiedInterpolants, 199302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 187/195 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...