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_spec11_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:39:51,055 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:39:51,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:39:51,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:39:51,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:39:51,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:39:51,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:39:51,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:39:51,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:39:51,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:39:51,100 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:39:51,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:39:51,104 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:39:51,105 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:39:51,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:39:51,110 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:39:51,111 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:39:51,112 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:39:51,116 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:39:51,121 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:39:51,123 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:39:51,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:39:51,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:39:51,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:39:51,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:39:51,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:39:51,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:39:51,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:39:51,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:39:51,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:39:51,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:39:51,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:39:51,141 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:39:51,142 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:39:51,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:39:51,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:39:51,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:39:51,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:39:51,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:39:51,149 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:39:51,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:39:51,151 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:39:51,178 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:39:51,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:39:51,180 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:39:51,180 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:39:51,181 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:39:51,181 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:39:51,181 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:39:51,182 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:39:51,182 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:39:51,182 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:39:51,185 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:39:51,185 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:39:51,186 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:39:51,186 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:39:51,186 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:39:51,187 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:39:51,187 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:39:51,187 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:39:51,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:39:51,187 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:39:51,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:39:51,188 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:39:51,188 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:39:51,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:51,189 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:39:51,189 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:39:51,189 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:39:51,189 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:39:51,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:39:51,190 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:39:51,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:39:51,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:39:51,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:39:51,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:39:51,275 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:39:51,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2019-09-10 02:39:51,337 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2617152e6/2d5f1770853746d3bedec953befa491f/FLAGfd0289e18 [2019-09-10 02:39:51,967 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:39:51,968 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec11_product37.cil.c [2019-09-10 02:39:51,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2617152e6/2d5f1770853746d3bedec953befa491f/FLAGfd0289e18 [2019-09-10 02:39:52,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2617152e6/2d5f1770853746d3bedec953befa491f [2019-09-10 02:39:52,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:39:52,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:39:52,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:52,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:39:52,201 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:39:52,202 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:52" (1/1) ... [2019-09-10 02:39:52,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f2ef714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:52, skipping insertion in model container [2019-09-10 02:39:52,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:39:52" (1/1) ... [2019-09-10 02:39:52,213 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:39:52,303 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:39:52,963 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:52,981 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:39:53,134 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:39:53,208 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:39:53,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53 WrapperNode [2019-09-10 02:39:53,209 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:39:53,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:39:53,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:39:53,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:39:53,226 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,226 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,258 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,321 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,357 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... [2019-09-10 02:39:53,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:39:53,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:39:53,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:39:53,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:39:53,377 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:39:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:39:53,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:39:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:39:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:39:53,449 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:39:53,450 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:39:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:39:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:39:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:39:53,451 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:39:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:39:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:39:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:39:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:39:53,452 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:39:53,453 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:39:53,454 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:39:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:39:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:39:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:39:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:39:53,455 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:39:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:39:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:39:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:39:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:39:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:39:53,456 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:39:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:39:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:39:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:39:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:39:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:39:53,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:39:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:39:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:39:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:39:53,458 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:39:53,459 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:39:53,460 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:39:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:39:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:39:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:39:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:39:53,461 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:39:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:39:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:39:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:39:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:53,462 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:39:53,463 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:39:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:39:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:39:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:39:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:39:53,464 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:39:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:39:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:39:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:39:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:39:53,465 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:39:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:39:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:39:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:39:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:39:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-09-10 02:39:53,466 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-09-10 02:39:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:39:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:39:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:39:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:39:53,467 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:39:53,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:39:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:39:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:39:53,469 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:39:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:39:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:39:53,469 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:39:53,470 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:39:53,471 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:39:53,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:39:53,473 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:39:53,474 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:39:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:39:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:39:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:39:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:39:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:39:53,475 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:39:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:39:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:39:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:39:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:39:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:39:53,476 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:39:53,477 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:39:53,478 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:39:53,479 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptAutoResponder_spec__1 [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:39:53,480 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:39:53,481 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:39:53,482 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:39:53,483 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:39:53,484 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:39:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:39:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:39:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:39:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:39:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:39:53,485 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-09-10 02:39:53,486 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:39:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:39:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:39:53,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:39:55,416 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:39:55,417 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:39:55,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:55 BoogieIcfgContainer [2019-09-10 02:39:55,419 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:39:55,420 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:39:55,420 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:39:55,424 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:39:55,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:39:52" (1/3) ... [2019-09-10 02:39:55,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b97d293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:55, skipping insertion in model container [2019-09-10 02:39:55,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:39:53" (2/3) ... [2019-09-10 02:39:55,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b97d293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:39:55, skipping insertion in model container [2019-09-10 02:39:55,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:39:55" (3/3) ... [2019-09-10 02:39:55,429 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec11_product37.cil.c [2019-09-10 02:39:55,440 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:39:55,456 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:39:55,476 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:39:55,519 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:39:55,519 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:39:55,519 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:39:55,519 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:39:55,519 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:39:55,519 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:39:55,520 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:39:55,520 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:39:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states. [2019-09-10 02:39:55,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-09-10 02:39:55,596 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:55,598 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:55,602 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:55,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:55,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1647705551, now seen corresponding path program 1 times [2019-09-10 02:39:55,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:55,667 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:55,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:55,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:55,668 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:56,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:56,226 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:39:56,229 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:56,230 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:39:56,237 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:56,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:39:56,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:39:56,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:56,264 INFO L87 Difference]: Start difference. First operand 418 states. Second operand 2 states. [2019-09-10 02:39:56,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:56,309 INFO L93 Difference]: Finished difference Result 404 states and 529 transitions. [2019-09-10 02:39:56,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:39:56,311 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-09-10 02:39:56,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:56,330 INFO L225 Difference]: With dead ends: 404 [2019-09-10 02:39:56,330 INFO L226 Difference]: Without dead ends: 395 [2019-09-10 02:39:56,332 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:39:56,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-09-10 02:39:56,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 395. [2019-09-10 02:39:56,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2019-09-10 02:39:56,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 518 transitions. [2019-09-10 02:39:56,420 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 518 transitions. Word has length 154 [2019-09-10 02:39:56,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:56,422 INFO L475 AbstractCegarLoop]: Abstraction has 395 states and 518 transitions. [2019-09-10 02:39:56,422 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:39:56,423 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 518 transitions. [2019-09-10 02:39:56,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-10 02:39:56,427 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:56,427 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:56,428 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:56,428 INFO L82 PathProgramCache]: Analyzing trace with hash -1784478369, now seen corresponding path program 1 times [2019-09-10 02:39:56,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:56,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:56,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:56,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:56,430 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:56,749 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:39:56,749 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:56,749 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:56,750 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:56,752 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:56,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:56,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:56,752 INFO L87 Difference]: Start difference. First operand 395 states and 518 transitions. Second operand 3 states. [2019-09-10 02:39:56,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:56,799 INFO L93 Difference]: Finished difference Result 398 states and 521 transitions. [2019-09-10 02:39:56,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:56,802 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-09-10 02:39:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:56,812 INFO L225 Difference]: With dead ends: 398 [2019-09-10 02:39:56,814 INFO L226 Difference]: Without dead ends: 398 [2019-09-10 02:39:56,815 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:56,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2019-09-10 02:39:56,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 397. [2019-09-10 02:39:56,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-09-10 02:39:56,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 520 transitions. [2019-09-10 02:39:56,861 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 520 transitions. Word has length 155 [2019-09-10 02:39:56,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:56,861 INFO L475 AbstractCegarLoop]: Abstraction has 397 states and 520 transitions. [2019-09-10 02:39:56,862 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:56,862 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 520 transitions. [2019-09-10 02:39:56,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-09-10 02:39:56,865 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:56,865 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:56,865 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:56,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:56,866 INFO L82 PathProgramCache]: Analyzing trace with hash -1272778800, now seen corresponding path program 1 times [2019-09-10 02:39:56,866 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:56,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:56,867 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:56,867 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:56,867 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:57,029 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:39:57,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:57,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:57,030 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:57,031 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:57,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:57,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:57,032 INFO L87 Difference]: Start difference. First operand 397 states and 520 transitions. Second operand 3 states. [2019-09-10 02:39:57,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:57,070 INFO L93 Difference]: Finished difference Result 440 states and 593 transitions. [2019-09-10 02:39:57,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:57,072 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-09-10 02:39:57,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:57,079 INFO L225 Difference]: With dead ends: 440 [2019-09-10 02:39:57,079 INFO L226 Difference]: Without dead ends: 440 [2019-09-10 02:39:57,080 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:57,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-09-10 02:39:57,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 439. [2019-09-10 02:39:57,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-09-10 02:39:57,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 592 transitions. [2019-09-10 02:39:57,127 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 592 transitions. Word has length 167 [2019-09-10 02:39:57,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:57,130 INFO L475 AbstractCegarLoop]: Abstraction has 439 states and 592 transitions. [2019-09-10 02:39:57,130 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:57,130 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 592 transitions. [2019-09-10 02:39:57,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-09-10 02:39:57,139 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:57,139 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:57,139 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:57,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:57,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1658807938, now seen corresponding path program 1 times [2019-09-10 02:39:57,140 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:57,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:57,141 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:57,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:57,142 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:57,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:57,336 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:39:57,337 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:57,337 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:39:57,337 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:57,338 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:39:57,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:39:57,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:57,339 INFO L87 Difference]: Start difference. First operand 439 states and 592 transitions. Second operand 3 states. [2019-09-10 02:39:57,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:57,366 INFO L93 Difference]: Finished difference Result 521 states and 731 transitions. [2019-09-10 02:39:57,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:39:57,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2019-09-10 02:39:57,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:57,373 INFO L225 Difference]: With dead ends: 521 [2019-09-10 02:39:57,374 INFO L226 Difference]: Without dead ends: 521 [2019-09-10 02:39:57,376 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:39:57,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2019-09-10 02:39:57,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 520. [2019-09-10 02:39:57,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2019-09-10 02:39:57,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 730 transitions. [2019-09-10 02:39:57,401 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 730 transitions. Word has length 168 [2019-09-10 02:39:57,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:57,402 INFO L475 AbstractCegarLoop]: Abstraction has 520 states and 730 transitions. [2019-09-10 02:39:57,402 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:39:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 730 transitions. [2019-09-10 02:39:57,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-09-10 02:39:57,438 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:39:57,439 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:39:57,439 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:39:57,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:39:57,439 INFO L82 PathProgramCache]: Analyzing trace with hash 1751403281, now seen corresponding path program 1 times [2019-09-10 02:39:57,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:39:57,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:57,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:39:57,441 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:39:57,441 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:39:57,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:39:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-09-10 02:39:57,683 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:39:57,683 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:39:57,684 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:39:57,684 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:39:57,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:39:57,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:39:57,686 INFO L87 Difference]: Start difference. First operand 520 states and 730 transitions. Second operand 8 states. [2019-09-10 02:39:57,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:39:57,777 INFO L93 Difference]: Finished difference Result 517 states and 727 transitions. [2019-09-10 02:39:57,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-10 02:39:57,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 171 [2019-09-10 02:39:57,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:39:57,779 INFO L225 Difference]: With dead ends: 517 [2019-09-10 02:39:57,779 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:39:57,780 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:39:57,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:39:57,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:39:57,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:39:57,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:39:57,781 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 171 [2019-09-10 02:39:57,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:39:57,782 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:39:57,782 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:39:57,782 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:39:57,782 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:39:57,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:39:57 BoogieIcfgContainer [2019-09-10 02:39:57,791 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:39:57,795 INFO L168 Benchmark]: Toolchain (without parser) took 5596.42 ms. Allocated memory was 132.1 MB in the beginning and 347.1 MB in the end (delta: 215.0 MB). Free memory was 85.4 MB in the beginning and 223.6 MB in the end (delta: -138.3 MB). Peak memory consumption was 76.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:57,797 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:39:57,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1012.36 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 85.2 MB in the beginning and 134.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:57,801 INFO L168 Benchmark]: Boogie Preprocessor took 163.23 ms. Allocated memory is still 200.3 MB. Free memory was 134.6 MB in the beginning and 126.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:57,803 INFO L168 Benchmark]: RCFGBuilder took 2045.68 ms. Allocated memory was 200.3 MB in the beginning and 267.9 MB in the end (delta: 67.6 MB). Free memory was 126.5 MB in the beginning and 191.9 MB in the end (delta: -65.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:57,805 INFO L168 Benchmark]: TraceAbstraction took 2370.49 ms. Allocated memory was 267.9 MB in the beginning and 347.1 MB in the end (delta: 79.2 MB). Free memory was 191.9 MB in the beginning and 223.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-09-10 02:39:57,819 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.7 MB in the beginning and 106.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1012.36 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 85.2 MB in the beginning and 134.6 MB in the end (delta: -49.5 MB). Peak memory consumption was 33.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 163.23 ms. Allocated memory is still 200.3 MB. Free memory was 134.6 MB in the beginning and 126.5 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2045.68 ms. Allocated memory was 200.3 MB in the beginning and 267.9 MB in the end (delta: 67.6 MB). Free memory was 126.5 MB in the beginning and 191.9 MB in the end (delta: -65.4 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2370.49 ms. Allocated memory was 267.9 MB in the beginning and 347.1 MB in the end (delta: 79.2 MB). Free memory was 191.9 MB in the beginning and 223.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1807]: 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 108 procedures, 713 locations, 1 error locations. SAFE Result, 2.2s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 0.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2612 SDtfs, 108 SDslu, 4592 SDs, 0 SdLazy, 37 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=520occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 3 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 815 NumberOfCodeBlocks, 815 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 810 ConstructedInterpolants, 0 QuantifiedInterpolants, 138478 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 142/142 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...