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_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:51:15,031 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:15,033 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:15,047 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:15,048 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:15,050 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:15,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:15,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:15,059 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:15,059 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:15,066 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:15,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:15,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:15,071 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:15,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:15,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:15,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:15,077 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:15,079 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:15,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:15,082 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:15,083 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:15,084 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:15,085 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:15,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:15,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:15,087 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:15,088 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:15,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:15,090 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:15,090 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:15,090 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:15,091 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:15,092 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:15,093 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:15,093 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:15,094 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:15,094 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:15,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:15,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:15,096 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:15,097 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 02:51:15,122 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:15,122 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:15,123 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:15,123 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:15,124 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:15,124 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:15,125 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:15,125 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:15,125 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:15,125 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:15,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:15,126 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:15,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:15,126 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:15,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:15,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:15,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:15,128 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:15,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:15,129 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:15,129 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:15,129 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:15,129 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:15,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:15,130 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:15,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:15,130 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:15,131 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:15,131 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:15,131 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:15,182 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:15,195 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:15,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:15,199 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:15,200 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:15,201 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2019-10-03 02:51:15,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f91d0d6e/c1512a4bab87459ab71bfabafad9004d/FLAGe2a5dfd27 [2019-10-03 02:51:15,872 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:15,873 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2019-10-03 02:51:15,908 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f91d0d6e/c1512a4bab87459ab71bfabafad9004d/FLAGe2a5dfd27 [2019-10-03 02:51:16,070 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5f91d0d6e/c1512a4bab87459ab71bfabafad9004d [2019-10-03 02:51:16,082 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:16,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:16,087 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:16,087 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:16,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:16,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:16" (1/1) ... [2019-10-03 02:51:16,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@641eaed7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:16, skipping insertion in model container [2019-10-03 02:51:16,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:16" (1/1) ... [2019-10-03 02:51:16,103 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:16,182 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:16,913 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:16,939 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:17,117 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:17,233 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:17,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17 WrapperNode [2019-10-03 02:51:17,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:17,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:17,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:17,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:17,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,250 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,282 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,402 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:17,403 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:17,403 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:17,403 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:17,404 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (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 02:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:17,490 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:17,491 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:17,493 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:17,495 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:17,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:17,497 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:17,498 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:17,499 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:17,500 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:17,501 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:17,502 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:17,503 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:51:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:17,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:51:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:17,505 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:17,506 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:17,507 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:17,508 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:17,509 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:17,510 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:51:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:17,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:17,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:51:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:17,513 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-03 02:51:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:17,514 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:51:17,515 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:17,516 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:17,516 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:17,517 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:17,518 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:17,519 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:17,520 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:17,521 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:17,522 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:17,523 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:17,524 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:17,525 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:17,528 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:17,529 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:17,536 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:17,537 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:17,538 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:17,539 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:17,540 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:51:17,541 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:17,542 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:17,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:17,544 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:17,545 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:17,546 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:17,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:17,548 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:17,549 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-03 02:51:17,550 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:17,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:19,697 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:19,697 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:19,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:19 BoogieIcfgContainer [2019-10-03 02:51:19,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:19,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:19,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:19,705 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:19,705 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:16" (1/3) ... [2019-10-03 02:51:19,706 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b4444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:19, skipping insertion in model container [2019-10-03 02:51:19,706 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17" (2/3) ... [2019-10-03 02:51:19,707 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58b4444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:19, skipping insertion in model container [2019-10-03 02:51:19,707 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:19" (3/3) ... [2019-10-03 02:51:19,708 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product15.cil.c [2019-10-03 02:51:19,718 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:19,730 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:19,747 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:19,779 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:19,779 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:19,779 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:19,779 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:19,779 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:19,780 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:19,780 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:19,780 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:19,818 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states. [2019-10-03 02:51:19,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:51:19,856 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:19,858 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] [2019-10-03 02:51:19,860 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:19,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:19,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1912918606, now seen corresponding path program 1 times [2019-10-03 02:51:19,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:19,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:19,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:19,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:19,938 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:20,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:20,519 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 02:51:20,525 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:20,525 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:20,525 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:20,532 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:20,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:20,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:20,550 INFO L87 Difference]: Start difference. First operand 466 states. Second operand 2 states. [2019-10-03 02:51:20,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:20,596 INFO L93 Difference]: Finished difference Result 428 states and 571 transitions. [2019-10-03 02:51:20,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:20,597 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:51:20,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:20,618 INFO L225 Difference]: With dead ends: 428 [2019-10-03 02:51:20,618 INFO L226 Difference]: Without dead ends: 419 [2019-10-03 02:51:20,620 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 02:51:20,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-10-03 02:51:20,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2019-10-03 02:51:20,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-10-03 02:51:20,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 560 transitions. [2019-10-03 02:51:20,703 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 560 transitions. Word has length 145 [2019-10-03 02:51:20,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:20,706 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 560 transitions. [2019-10-03 02:51:20,706 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:20,706 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 560 transitions. [2019-10-03 02:51:20,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:51:20,710 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:20,710 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] [2019-10-03 02:51:20,711 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:20,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:20,711 INFO L82 PathProgramCache]: Analyzing trace with hash 446933030, now seen corresponding path program 1 times [2019-10-03 02:51:20,711 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:20,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:20,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:20,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:20,717 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:21,003 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 02:51:21,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:21,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:21,004 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:21,009 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:21,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:21,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:21,010 INFO L87 Difference]: Start difference. First operand 419 states and 560 transitions. Second operand 3 states. [2019-10-03 02:51:21,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:21,073 INFO L93 Difference]: Finished difference Result 422 states and 563 transitions. [2019-10-03 02:51:21,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:21,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:51:21,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:21,087 INFO L225 Difference]: With dead ends: 422 [2019-10-03 02:51:21,088 INFO L226 Difference]: Without dead ends: 422 [2019-10-03 02:51:21,089 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 02:51:21,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-10-03 02:51:21,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 421. [2019-10-03 02:51:21,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-10-03 02:51:21,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 562 transitions. [2019-10-03 02:51:21,143 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 562 transitions. Word has length 146 [2019-10-03 02:51:21,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:21,143 INFO L475 AbstractCegarLoop]: Abstraction has 421 states and 562 transitions. [2019-10-03 02:51:21,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:21,144 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 562 transitions. [2019-10-03 02:51:21,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-03 02:51:21,149 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:21,152 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] [2019-10-03 02:51:21,152 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:21,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:21,153 INFO L82 PathProgramCache]: Analyzing trace with hash -874845866, now seen corresponding path program 1 times [2019-10-03 02:51:21,153 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:21,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:21,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,157 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:21,336 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 02:51:21,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:21,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:21,338 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:21,340 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:21,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:21,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:21,343 INFO L87 Difference]: Start difference. First operand 421 states and 562 transitions. Second operand 3 states. [2019-10-03 02:51:21,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:21,375 INFO L93 Difference]: Finished difference Result 462 states and 632 transitions. [2019-10-03 02:51:21,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:21,375 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-03 02:51:21,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:21,379 INFO L225 Difference]: With dead ends: 462 [2019-10-03 02:51:21,380 INFO L226 Difference]: Without dead ends: 462 [2019-10-03 02:51:21,380 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 02:51:21,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-10-03 02:51:21,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 461. [2019-10-03 02:51:21,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-10-03 02:51:21,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 631 transitions. [2019-10-03 02:51:21,400 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 631 transitions. Word has length 156 [2019-10-03 02:51:21,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:21,401 INFO L475 AbstractCegarLoop]: Abstraction has 461 states and 631 transitions. [2019-10-03 02:51:21,401 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:21,401 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 631 transitions. [2019-10-03 02:51:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-03 02:51:21,404 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:21,404 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] [2019-10-03 02:51:21,404 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:21,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:21,405 INFO L82 PathProgramCache]: Analyzing trace with hash -724570560, now seen corresponding path program 1 times [2019-10-03 02:51:21,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:21,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:21,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,409 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:21,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:21,591 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 02:51:21,592 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:21,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:21,593 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:21,594 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:21,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:21,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:21,594 INFO L87 Difference]: Start difference. First operand 461 states and 631 transitions. Second operand 3 states. [2019-10-03 02:51:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:21,620 INFO L93 Difference]: Finished difference Result 539 states and 764 transitions. [2019-10-03 02:51:21,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:21,620 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-03 02:51:21,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:21,629 INFO L225 Difference]: With dead ends: 539 [2019-10-03 02:51:21,629 INFO L226 Difference]: Without dead ends: 539 [2019-10-03 02:51:21,629 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 02:51:21,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-10-03 02:51:21,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 538. [2019-10-03 02:51:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-10-03 02:51:21,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 763 transitions. [2019-10-03 02:51:21,660 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 763 transitions. Word has length 157 [2019-10-03 02:51:21,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:21,661 INFO L475 AbstractCegarLoop]: Abstraction has 538 states and 763 transitions. [2019-10-03 02:51:21,661 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:21,661 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 763 transitions. [2019-10-03 02:51:21,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:51:21,667 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:21,668 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] [2019-10-03 02:51:21,668 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:21,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:21,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1753586442, now seen corresponding path program 1 times [2019-10-03 02:51:21,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:21,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:21,673 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,673 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:21,824 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 02:51:21,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:21,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:21,825 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:21,825 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:21,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:21,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:21,826 INFO L87 Difference]: Start difference. First operand 538 states and 763 transitions. Second operand 3 states. [2019-10-03 02:51:21,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:21,856 INFO L93 Difference]: Finished difference Result 687 states and 1016 transitions. [2019-10-03 02:51:21,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:21,856 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-03 02:51:21,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:21,861 INFO L225 Difference]: With dead ends: 687 [2019-10-03 02:51:21,861 INFO L226 Difference]: Without dead ends: 687 [2019-10-03 02:51:21,862 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 02:51:21,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2019-10-03 02:51:21,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 686. [2019-10-03 02:51:21,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2019-10-03 02:51:21,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1015 transitions. [2019-10-03 02:51:21,889 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1015 transitions. Word has length 158 [2019-10-03 02:51:21,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:21,890 INFO L475 AbstractCegarLoop]: Abstraction has 686 states and 1015 transitions. [2019-10-03 02:51:21,890 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1015 transitions. [2019-10-03 02:51:21,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:51:21,894 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:21,894 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] [2019-10-03 02:51:21,894 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:21,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:21,895 INFO L82 PathProgramCache]: Analyzing trace with hash -862283104, now seen corresponding path program 1 times [2019-10-03 02:51:21,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:21,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:21,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,899 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:22,045 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 02:51:22,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:22,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:22,046 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:22,047 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:22,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:22,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:22,048 INFO L87 Difference]: Start difference. First operand 686 states and 1015 transitions. Second operand 3 states. [2019-10-03 02:51:22,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:22,081 INFO L93 Difference]: Finished difference Result 971 states and 1496 transitions. [2019-10-03 02:51:22,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:22,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-03 02:51:22,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:22,090 INFO L225 Difference]: With dead ends: 971 [2019-10-03 02:51:22,090 INFO L226 Difference]: Without dead ends: 971 [2019-10-03 02:51:22,090 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 02:51:22,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2019-10-03 02:51:22,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 970. [2019-10-03 02:51:22,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2019-10-03 02:51:22,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1495 transitions. [2019-10-03 02:51:22,146 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1495 transitions. Word has length 159 [2019-10-03 02:51:22,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:22,149 INFO L475 AbstractCegarLoop]: Abstraction has 970 states and 1495 transitions. [2019-10-03 02:51:22,149 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:22,149 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1495 transitions. [2019-10-03 02:51:22,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:51:22,155 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:22,156 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 02:51:22,156 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:22,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:22,157 INFO L82 PathProgramCache]: Analyzing trace with hash -152708534, now seen corresponding path program 1 times [2019-10-03 02:51:22,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:22,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:22,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,165 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:22,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:23,291 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-03 02:51:23,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:23,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-10-03 02:51:23,292 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:23,293 INFO L454 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-03 02:51:23,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-03 02:51:23,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2019-10-03 02:51:23,296 INFO L87 Difference]: Start difference. First operand 970 states and 1495 transitions. Second operand 35 states. [2019-10-03 02:51:28,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:28,156 INFO L93 Difference]: Finished difference Result 1923 states and 3041 transitions. [2019-10-03 02:51:28,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-03 02:51:28,157 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 162 [2019-10-03 02:51:28,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:28,173 INFO L225 Difference]: With dead ends: 1923 [2019-10-03 02:51:28,174 INFO L226 Difference]: Without dead ends: 1914 [2019-10-03 02:51:28,176 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=298, Invalid=4124, Unknown=0, NotChecked=0, Total=4422 [2019-10-03 02:51:28,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1914 states. [2019-10-03 02:51:28,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1914 to 1702. [2019-10-03 02:51:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1702 states. [2019-10-03 02:51:28,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1702 states to 1702 states and 2765 transitions. [2019-10-03 02:51:28,248 INFO L78 Accepts]: Start accepts. Automaton has 1702 states and 2765 transitions. Word has length 162 [2019-10-03 02:51:28,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:28,249 INFO L475 AbstractCegarLoop]: Abstraction has 1702 states and 2765 transitions. [2019-10-03 02:51:28,249 INFO L476 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-03 02:51:28,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2765 transitions. [2019-10-03 02:51:28,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-10-03 02:51:28,256 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:28,257 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] [2019-10-03 02:51:28,257 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:28,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:28,258 INFO L82 PathProgramCache]: Analyzing trace with hash 2122713605, now seen corresponding path program 1 times [2019-10-03 02:51:28,258 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:28,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:28,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,262 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:28,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:28,425 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 02:51:28,426 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:28,426 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:28,426 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:28,427 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:28,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:28,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:28,428 INFO L87 Difference]: Start difference. First operand 1702 states and 2765 transitions. Second operand 3 states. [2019-10-03 02:51:28,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:28,456 INFO L93 Difference]: Finished difference Result 2791 states and 4638 transitions. [2019-10-03 02:51:28,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:28,457 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 161 [2019-10-03 02:51:28,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:28,475 INFO L225 Difference]: With dead ends: 2791 [2019-10-03 02:51:28,476 INFO L226 Difference]: Without dead ends: 2791 [2019-10-03 02:51:28,476 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 02:51:28,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2791 states. [2019-10-03 02:51:28,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2791 to 2790. [2019-10-03 02:51:28,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2019-10-03 02:51:28,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 4637 transitions. [2019-10-03 02:51:28,634 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 4637 transitions. Word has length 161 [2019-10-03 02:51:28,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:28,635 INFO L475 AbstractCegarLoop]: Abstraction has 2790 states and 4637 transitions. [2019-10-03 02:51:28,635 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:28,635 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 4637 transitions. [2019-10-03 02:51:28,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-10-03 02:51:28,654 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:28,655 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, 1] [2019-10-03 02:51:28,655 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:28,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:28,656 INFO L82 PathProgramCache]: Analyzing trace with hash -1617484209, now seen corresponding path program 1 times [2019-10-03 02:51:28,656 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:28,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:28,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,661 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:28,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:29,470 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 02:51:29,470 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:51:29,471 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:51:29,472 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2019-10-03 02:51:29,474 INFO L207 CegarAbsIntRunner]: [110], [139], [142], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [300], [307], [309], [312], [331], [334], [343], [354], [356], [357], [360], [370], [400], [585], [587], [588], [589], [625], [628], [630], [633], [642], [681], [682], [683], [723], [727], [730], [738], [741], [805], [814], [818], [820], [822], [825], [832], [839], [842], [844], [978], [983], [986], [995], [1103], [1175], [1177], [1179], [1186], [1190], [1213], [1216], [1217], [1220], [1223], [1254], [1255], [1257], [1340], [1343], [1349], [1370], [1373], [1387], [1395], [1398], [1407], [1596], [1598], [1600], [1602], [1603], [1625], [1635], [1636], [1637], [1638], [1639], [1640], [1643], [1644], [1645], [1646], [1647], [1649], [1650], [1651], [1652], [1661], [1662], [1663], [1675], [1676], [1681], [1682], [1699], [1700], [1713], [1719], [1720], [1721], [1722], [1723], [1724], [1725], [1726], [1727], [1729], [1730], [1731], [1732], [1765], [1766], [1781], [1783], [1784], [1785], [1786], [1791], [1799], [1800], [1801], [1802], [1803], [1804], [1805], [1819], [1820], [1821], [1822], [1823], [1824], [1825], [1826], [1827] [2019-10-03 02:51:29,533 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:51:29,534 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:51:29,734 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:51:29,736 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 286 root evaluator evaluations with a maximum evaluation depth of 0. Performed 286 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 362 variables. [2019-10-03 02:51:29,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:29,740 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:51:29,880 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:51:29,881 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:51:29,891 INFO L420 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2019-10-03 02:51:29,891 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:51:29,892 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:51:29,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [31] total 31 [2019-10-03 02:51:29,893 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:29,894 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:29,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:29,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:29,895 INFO L87 Difference]: Start difference. First operand 2790 states and 4637 transitions. Second operand 2 states. [2019-10-03 02:51:29,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:29,895 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:51:29,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:29,895 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 164 [2019-10-03 02:51:29,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:29,896 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:51:29,896 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:29,896 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 163 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 02:51:29,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:29,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:29,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:29,897 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 164 [2019-10-03 02:51:29,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:29,897 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:29,897 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:29,898 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:29,898 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:29,903 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:29 BoogieIcfgContainer [2019-10-03 02:51:29,903 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:29,907 INFO L168 Benchmark]: Toolchain (without parser) took 13821.29 ms. Allocated memory was 140.0 MB in the beginning and 483.4 MB in the end (delta: 343.4 MB). Free memory was 85.1 MB in the beginning and 217.1 MB in the end (delta: -131.9 MB). Peak memory consumption was 211.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:29,908 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 140.0 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 02:51:29,910 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1146.64 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 84.9 MB in the beginning and 137.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:29,911 INFO L168 Benchmark]: Boogie Preprocessor took 168.03 ms. Allocated memory is still 201.3 MB. Free memory was 137.7 MB in the beginning and 129.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:29,913 INFO L168 Benchmark]: RCFGBuilder took 2296.94 ms. Allocated memory was 201.3 MB in the beginning and 265.3 MB in the end (delta: 64.0 MB). Free memory was 129.2 MB in the beginning and 179.3 MB in the end (delta: -50.1 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:29,918 INFO L168 Benchmark]: TraceAbstraction took 10202.35 ms. Allocated memory was 265.3 MB in the beginning and 483.4 MB in the end (delta: 218.1 MB). Free memory was 179.3 MB in the beginning and 217.1 MB in the end (delta: -37.7 MB). Peak memory consumption was 180.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:29,926 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 140.0 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 1146.64 ms. Allocated memory was 140.0 MB in the beginning and 201.3 MB in the end (delta: 61.3 MB). Free memory was 84.9 MB in the beginning and 137.7 MB in the end (delta: -52.8 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 168.03 ms. Allocated memory is still 201.3 MB. Free memory was 137.7 MB in the beginning and 129.2 MB in the end (delta: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2296.94 ms. Allocated memory was 201.3 MB in the beginning and 265.3 MB in the end (delta: 64.0 MB). Free memory was 129.2 MB in the beginning and 179.3 MB in the end (delta: -50.1 MB). Peak memory consumption was 89.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10202.35 ms. Allocated memory was 265.3 MB in the beginning and 483.4 MB in the end (delta: 218.1 MB). Free memory was 179.3 MB in the beginning and 217.1 MB in the end (delta: -37.7 MB). Peak memory consumption was 180.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1535]: 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 109 procedures, 741 locations, 1 error locations. SAFE Result, 10.1s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 5.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4643 SDtfs, 1588 SDslu, 19884 SDs, 0 SdLazy, 3445 SolverSat, 377 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 258 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2790occurred in iteration=8, 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, 2.2576687116564416 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 218 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 1408 NumberOfCodeBlocks, 1408 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1399 ConstructedInterpolants, 0 QuantifiedInterpolants, 316547 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 263/266 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...