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_spec6_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:53:43,081 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:53:43,084 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:53:43,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:53:43,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:53:43,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:53:43,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:53:43,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:53:43,104 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:53:43,105 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:53:43,106 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:53:43,108 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:53:43,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:53:43,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:53:43,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:53:43,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:53:43,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:53:43,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:53:43,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:53:43,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:53:43,130 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:53:43,131 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:53:43,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:53:43,136 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:53:43,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:53:43,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:53:43,139 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:53:43,140 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:53:43,142 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:53:43,143 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:53:43,145 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:53:43,146 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:53:43,147 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:53:43,147 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:53:43,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:53:43,152 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:53:43,153 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:53:43,153 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:53:43,153 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:53:43,155 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:53:43,156 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:53:43,157 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 02:53:43,186 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:53:43,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:53:43,188 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:53:43,188 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:53:43,189 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:53:43,189 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:53:43,189 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:53:43,190 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:53:43,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:53:43,190 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:53:43,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:53:43,193 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:53:43,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:53:43,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:53:43,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:53:43,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:53:43,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:53:43,194 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:53:43,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:53:43,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:53:43,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:53:43,195 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:53:43,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:53:43,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:53:43,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:53:43,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:53:43,196 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:53:43,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:53:43,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:53:43,197 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:53:43,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:53:43,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:53:43,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:53:43,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:53:43,271 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:53:43,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product22.cil.c [2019-10-03 02:53:43,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1251c4946/8b6e1541001b4084a1bb1adef7dc9b5c/FLAG7d7cd7418 [2019-10-03 02:53:44,010 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:53:44,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product22.cil.c [2019-10-03 02:53:44,034 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1251c4946/8b6e1541001b4084a1bb1adef7dc9b5c/FLAG7d7cd7418 [2019-10-03 02:53:44,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1251c4946/8b6e1541001b4084a1bb1adef7dc9b5c [2019-10-03 02:53:44,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:53:44,217 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:53:44,218 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:44,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:53:44,222 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:53:44,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:44" (1/1) ... [2019-10-03 02:53:44,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@200f6291 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:44, skipping insertion in model container [2019-10-03 02:53:44,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:53:44" (1/1) ... [2019-10-03 02:53:44,234 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:53:44,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:53:45,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:45,060 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:53:45,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:53:45,365 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:53:45,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45 WrapperNode [2019-10-03 02:53:45,367 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:53:45,367 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:53:45,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:53:45,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:53:45,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,450 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,450 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,574 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (1/1) ... [2019-10-03 02:53:45,612 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:53:45,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:53:45,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:53:45,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:53:45,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (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 02:53:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:53:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:53:45,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:53:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:53:45,715 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:53:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:53:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:53:45,716 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:53:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:53:45,717 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:53:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:53:45,718 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:53:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:53:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:53:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:53:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:53:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:53:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:53:45,721 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:53:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:53:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:53:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:53:45,722 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:53:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:53:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:53:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:53:45,723 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:53:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:53:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:53:45,724 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:53:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:53:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-03 02:53:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-03 02:53:45,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:53:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:53:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:53:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:53:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:53:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:53:45,726 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:53:45,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:53:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:53:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:53:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:53:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:53:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:53:45,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:53:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:53:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:53:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:53:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:53:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:53:45,729 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:53:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:53:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:53:45,730 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:53:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:53:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:53:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:53:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:53:45,731 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:53:45,732 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:53:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:53:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:53:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:53:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:53:45,733 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:53:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:53:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:53:45,734 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:53:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:53:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:53:45,735 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:53:45,736 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:53:45,737 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:53:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:53:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:53:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:53:45,738 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:53:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:53:45,739 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:53:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:53:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-03 02:53:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:53:45,740 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:53:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:53:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:53:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:53:45,741 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:53:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:53:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:53:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:53:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:53:45,742 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:53:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:53:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:53:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:53:45,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:53:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:53:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:53:45,744 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:53:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:53:45,744 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:53:45,745 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:53:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:53:45,746 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:53:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:53:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:53:45,747 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:53:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:53:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:53:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:53:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:53:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:53:45,750 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:53:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:53:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:53:45,751 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:53:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:53:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:53:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:53:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:53:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:53:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:53:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:53:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:53:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:53:45,758 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:53:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:53:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:53:45,759 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:53:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:53:45,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:53:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:53:45,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:53:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:53:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:53:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:53:45,768 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:53:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:53:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:53:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:53:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:53:45,769 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:53:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:53:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:53:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:53:45,770 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:53:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:53:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:53:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:53:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-03 02:53:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-03 02:53:45,771 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:53:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:53:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:53:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:53:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:53:45,772 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:53:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:53:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:53:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:53:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:53:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:53:45,773 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:53:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:53:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:53:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:53:45,774 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:53:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:53:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:53:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:53:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:53:45,775 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:53:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:53:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:53:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:53:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:53:45,776 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:53:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:53:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:53:45,777 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:53:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:53:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:53:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:53:45,778 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:53:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:53:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:53:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:53:45,779 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:53:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:53:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:53:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:53:45,780 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:53:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:53:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:53:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:53:45,781 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:53:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:53:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:53:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:53:45,782 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:53:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:53:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:53:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:53:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:53:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:53:45,783 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:53:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:53:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:53:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:53:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:53:45,784 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:53:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:53:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:53:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:53:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:53:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:53:45,785 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:53:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:53:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-03 02:53:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:53:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:53:45,786 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:53:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:53:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:53:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:53:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:53:45,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:53:48,327 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:53:48,327 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:53:48,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:48 BoogieIcfgContainer [2019-10-03 02:53:48,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:53:48,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:53:48,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:53:48,334 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:53:48,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:53:44" (1/3) ... [2019-10-03 02:53:48,335 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1ae3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:48, skipping insertion in model container [2019-10-03 02:53:48,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:53:45" (2/3) ... [2019-10-03 02:53:48,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c1ae3ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:53:48, skipping insertion in model container [2019-10-03 02:53:48,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:53:48" (3/3) ... [2019-10-03 02:53:48,338 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product22.cil.c [2019-10-03 02:53:48,349 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:53:48,360 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:53:48,378 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:53:48,409 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:53:48,409 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:53:48,409 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:53:48,409 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:53:48,409 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:53:48,409 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:53:48,410 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:53:48,410 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:53:48,439 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states. [2019-10-03 02:53:48,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-10-03 02:53:48,475 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:48,477 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:48,480 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:48,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:48,491 INFO L82 PathProgramCache]: Analyzing trace with hash 769070679, now seen corresponding path program 1 times [2019-10-03 02:53:48,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:48,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:48,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:48,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:48,579 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:49,312 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:49,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:49,315 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:53:49,315 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:49,322 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:53:49,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:53:49,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:53:49,341 INFO L87 Difference]: Start difference. First operand 516 states. Second operand 2 states. [2019-10-03 02:53:49,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:49,397 INFO L93 Difference]: Finished difference Result 502 states and 664 transitions. [2019-10-03 02:53:49,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:53:49,399 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 176 [2019-10-03 02:53:49,400 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:49,424 INFO L225 Difference]: With dead ends: 502 [2019-10-03 02:53:49,424 INFO L226 Difference]: Without dead ends: 493 [2019-10-03 02:53:49,426 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 02:53:49,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2019-10-03 02:53:49,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2019-10-03 02:53:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 493 states. [2019-10-03 02:53:49,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 653 transitions. [2019-10-03 02:53:49,514 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 653 transitions. Word has length 176 [2019-10-03 02:53:49,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:49,516 INFO L475 AbstractCegarLoop]: Abstraction has 493 states and 653 transitions. [2019-10-03 02:53:49,516 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:53:49,517 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 653 transitions. [2019-10-03 02:53:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-10-03 02:53:49,523 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:49,523 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:49,523 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:49,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:49,524 INFO L82 PathProgramCache]: Analyzing trace with hash -688559635, now seen corresponding path program 1 times [2019-10-03 02:53:49,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:49,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:49,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:49,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:49,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:49,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:49,814 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:49,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:49,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:49,815 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:49,822 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:49,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:49,823 INFO L87 Difference]: Start difference. First operand 493 states and 653 transitions. Second operand 3 states. [2019-10-03 02:53:49,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:49,880 INFO L93 Difference]: Finished difference Result 496 states and 656 transitions. [2019-10-03 02:53:49,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:49,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 177 [2019-10-03 02:53:49,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:49,886 INFO L225 Difference]: With dead ends: 496 [2019-10-03 02:53:49,886 INFO L226 Difference]: Without dead ends: 496 [2019-10-03 02:53:49,887 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 02:53:49,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-03 02:53:49,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 495. [2019-10-03 02:53:49,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-03 02:53:49,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 655 transitions. [2019-10-03 02:53:49,932 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 655 transitions. Word has length 177 [2019-10-03 02:53:49,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:49,932 INFO L475 AbstractCegarLoop]: Abstraction has 495 states and 655 transitions. [2019-10-03 02:53:49,933 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 655 transitions. [2019-10-03 02:53:49,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-03 02:53:49,937 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:49,937 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:49,937 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:49,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:49,938 INFO L82 PathProgramCache]: Analyzing trace with hash -786901730, now seen corresponding path program 1 times [2019-10-03 02:53:49,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:49,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:49,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:49,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:49,944 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:50,182 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:50,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:50,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:50,183 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:50,184 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:50,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:50,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:50,185 INFO L87 Difference]: Start difference. First operand 495 states and 655 transitions. Second operand 3 states. [2019-10-03 02:53:50,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:50,233 INFO L93 Difference]: Finished difference Result 538 states and 728 transitions. [2019-10-03 02:53:50,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:50,234 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-03 02:53:50,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:50,243 INFO L225 Difference]: With dead ends: 538 [2019-10-03 02:53:50,244 INFO L226 Difference]: Without dead ends: 538 [2019-10-03 02:53:50,244 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 02:53:50,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-10-03 02:53:50,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 537. [2019-10-03 02:53:50,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2019-10-03 02:53:50,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 727 transitions. [2019-10-03 02:53:50,305 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 727 transitions. Word has length 189 [2019-10-03 02:53:50,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:50,308 INFO L475 AbstractCegarLoop]: Abstraction has 537 states and 727 transitions. [2019-10-03 02:53:50,308 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:50,308 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 727 transitions. [2019-10-03 02:53:50,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-03 02:53:50,315 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:50,315 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:50,315 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:50,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:50,316 INFO L82 PathProgramCache]: Analyzing trace with hash 647973382, now seen corresponding path program 1 times [2019-10-03 02:53:50,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:50,322 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:50,323 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:50,323 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:50,323 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:50,504 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:50,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:50,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:50,506 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:50,506 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:50,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:50,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:50,507 INFO L87 Difference]: Start difference. First operand 537 states and 727 transitions. Second operand 3 states. [2019-10-03 02:53:50,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:50,538 INFO L93 Difference]: Finished difference Result 619 states and 866 transitions. [2019-10-03 02:53:50,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:50,538 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-03 02:53:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:50,545 INFO L225 Difference]: With dead ends: 619 [2019-10-03 02:53:50,545 INFO L226 Difference]: Without dead ends: 619 [2019-10-03 02:53:50,546 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 02:53:50,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 619 states. [2019-10-03 02:53:50,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 619 to 618. [2019-10-03 02:53:50,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 618 states. [2019-10-03 02:53:50,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 618 states and 865 transitions. [2019-10-03 02:53:50,575 INFO L78 Accepts]: Start accepts. Automaton has 618 states and 865 transitions. Word has length 190 [2019-10-03 02:53:50,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:50,576 INFO L475 AbstractCegarLoop]: Abstraction has 618 states and 865 transitions. [2019-10-03 02:53:50,576 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:50,576 INFO L276 IsEmpty]: Start isEmpty. Operand 618 states and 865 transitions. [2019-10-03 02:53:50,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-03 02:53:50,581 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:50,581 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:50,581 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:50,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:50,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1688592318, now seen corresponding path program 1 times [2019-10-03 02:53:50,582 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:50,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:50,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:50,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:50,587 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:50,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:50,797 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:53:50,797 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:50,797 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:53:50,797 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:50,798 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:53:50,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:53:50,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:53:50,799 INFO L87 Difference]: Start difference. First operand 618 states and 865 transitions. Second operand 3 states. [2019-10-03 02:53:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:50,824 INFO L93 Difference]: Finished difference Result 775 states and 1130 transitions. [2019-10-03 02:53:50,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:53:50,825 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 191 [2019-10-03 02:53:50,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:50,831 INFO L225 Difference]: With dead ends: 775 [2019-10-03 02:53:50,831 INFO L226 Difference]: Without dead ends: 775 [2019-10-03 02:53:50,832 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 02:53:50,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-10-03 02:53:50,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 774. [2019-10-03 02:53:50,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 774 states. [2019-10-03 02:53:50,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 774 states and 1129 transitions. [2019-10-03 02:53:50,865 INFO L78 Accepts]: Start accepts. Automaton has 774 states and 1129 transitions. Word has length 191 [2019-10-03 02:53:50,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:50,866 INFO L475 AbstractCegarLoop]: Abstraction has 774 states and 1129 transitions. [2019-10-03 02:53:50,866 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:53:50,866 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 1129 transitions. [2019-10-03 02:53:50,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-03 02:53:50,871 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:50,872 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:50,872 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:50,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:50,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1410664810, now seen corresponding path program 1 times [2019-10-03 02:53:50,873 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:50,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:50,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:50,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:50,879 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:51,268 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:51,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:51,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-03 02:53:51,271 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:51,272 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-03 02:53:51,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-03 02:53:51,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2019-10-03 02:53:51,273 INFO L87 Difference]: Start difference. First operand 774 states and 1129 transitions. Second operand 11 states. [2019-10-03 02:53:57,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:57,491 INFO L93 Difference]: Finished difference Result 2493 states and 3390 transitions. [2019-10-03 02:53:57,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2019-10-03 02:53:57,492 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 193 [2019-10-03 02:53:57,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:57,506 INFO L225 Difference]: With dead ends: 2493 [2019-10-03 02:53:57,507 INFO L226 Difference]: Without dead ends: 2185 [2019-10-03 02:53:57,508 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=190, Invalid=802, Unknown=0, NotChecked=0, Total=992 [2019-10-03 02:53:57,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2185 states. [2019-10-03 02:53:57,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2185 to 2170. [2019-10-03 02:53:57,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2170 states. [2019-10-03 02:53:57,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 2170 states and 2938 transitions. [2019-10-03 02:53:57,591 INFO L78 Accepts]: Start accepts. Automaton has 2170 states and 2938 transitions. Word has length 193 [2019-10-03 02:53:57,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:57,592 INFO L475 AbstractCegarLoop]: Abstraction has 2170 states and 2938 transitions. [2019-10-03 02:53:57,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-03 02:53:57,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2170 states and 2938 transitions. [2019-10-03 02:53:57,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-10-03 02:53:57,598 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:57,598 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:57,598 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:57,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:57,599 INFO L82 PathProgramCache]: Analyzing trace with hash -2066868888, now seen corresponding path program 1 times [2019-10-03 02:53:57,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:57,603 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:57,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:57,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:57,604 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:57,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:57,987 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:57,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:57,987 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-03 02:53:57,988 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:57,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-03 02:53:57,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-03 02:53:57,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2019-10-03 02:53:57,989 INFO L87 Difference]: Start difference. First operand 2170 states and 2938 transitions. Second operand 16 states. [2019-10-03 02:53:58,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:58,426 INFO L93 Difference]: Finished difference Result 2128 states and 2880 transitions. [2019-10-03 02:53:58,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-03 02:53:58,427 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 194 [2019-10-03 02:53:58,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:58,438 INFO L225 Difference]: With dead ends: 2128 [2019-10-03 02:53:58,438 INFO L226 Difference]: Without dead ends: 1795 [2019-10-03 02:53:58,439 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=409, Unknown=0, NotChecked=0, Total=462 [2019-10-03 02:53:58,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1795 states. [2019-10-03 02:53:58,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1795 to 1748. [2019-10-03 02:53:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1748 states. [2019-10-03 02:53:58,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1748 states and 2379 transitions. [2019-10-03 02:53:58,503 INFO L78 Accepts]: Start accepts. Automaton has 1748 states and 2379 transitions. Word has length 194 [2019-10-03 02:53:58,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:58,503 INFO L475 AbstractCegarLoop]: Abstraction has 1748 states and 2379 transitions. [2019-10-03 02:53:58,504 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-03 02:53:58,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2379 transitions. [2019-10-03 02:53:58,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-10-03 02:53:58,509 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:58,509 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:58,509 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:58,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:58,510 INFO L82 PathProgramCache]: Analyzing trace with hash 470827017, now seen corresponding path program 1 times [2019-10-03 02:53:58,510 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:58,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:58,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:58,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:58,514 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:58,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:58,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-03 02:53:58,685 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:58,686 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-03 02:53:58,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-03 02:53:58,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-03 02:53:58,687 INFO L87 Difference]: Start difference. First operand 1748 states and 2379 transitions. Second operand 6 states. [2019-10-03 02:53:59,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:53:59,363 INFO L93 Difference]: Finished difference Result 3487 states and 4785 transitions. [2019-10-03 02:53:59,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-03 02:53:59,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 203 [2019-10-03 02:53:59,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:53:59,385 INFO L225 Difference]: With dead ends: 3487 [2019-10-03 02:53:59,386 INFO L226 Difference]: Without dead ends: 3487 [2019-10-03 02:53:59,386 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:53:59,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3487 states. [2019-10-03 02:53:59,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3487 to 3416. [2019-10-03 02:53:59,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3416 states. [2019-10-03 02:53:59,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3416 states to 3416 states and 4702 transitions. [2019-10-03 02:53:59,529 INFO L78 Accepts]: Start accepts. Automaton has 3416 states and 4702 transitions. Word has length 203 [2019-10-03 02:53:59,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:53:59,530 INFO L475 AbstractCegarLoop]: Abstraction has 3416 states and 4702 transitions. [2019-10-03 02:53:59,531 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-03 02:53:59,531 INFO L276 IsEmpty]: Start isEmpty. Operand 3416 states and 4702 transitions. [2019-10-03 02:53:59,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:53:59,542 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:53:59,542 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:53:59,543 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:53:59,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:53:59,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1952139048, now seen corresponding path program 1 times [2019-10-03 02:53:59,544 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:53:59,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:59,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:53:59,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:53:59,550 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:53:59,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:53:59,859 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:53:59,859 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:53:59,860 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-03 02:53:59,860 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:53:59,861 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-03 02:53:59,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-03 02:53:59,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-10-03 02:53:59,862 INFO L87 Difference]: Start difference. First operand 3416 states and 4702 transitions. Second operand 9 states. [2019-10-03 02:54:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:00,214 INFO L93 Difference]: Finished difference Result 3452 states and 4735 transitions. [2019-10-03 02:54:00,214 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-03 02:54:00,215 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 204 [2019-10-03 02:54:00,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:00,239 INFO L225 Difference]: With dead ends: 3452 [2019-10-03 02:54:00,240 INFO L226 Difference]: Without dead ends: 3434 [2019-10-03 02:54:00,241 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2019-10-03 02:54:00,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3434 states. [2019-10-03 02:54:00,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3434 to 3404. [2019-10-03 02:54:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3404 states. [2019-10-03 02:54:00,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3404 states to 3404 states and 4676 transitions. [2019-10-03 02:54:00,379 INFO L78 Accepts]: Start accepts. Automaton has 3404 states and 4676 transitions. Word has length 204 [2019-10-03 02:54:00,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:00,379 INFO L475 AbstractCegarLoop]: Abstraction has 3404 states and 4676 transitions. [2019-10-03 02:54:00,379 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-03 02:54:00,380 INFO L276 IsEmpty]: Start isEmpty. Operand 3404 states and 4676 transitions. [2019-10-03 02:54:00,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-10-03 02:54:00,388 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:00,388 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:54:00,388 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:00,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:00,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1365362929, now seen corresponding path program 1 times [2019-10-03 02:54:00,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:00,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:00,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:00,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:00,395 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:00,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:00,581 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-10-03 02:54:00,582 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:00,582 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-03 02:54:00,582 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:00,582 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-03 02:54:00,583 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-03 02:54:00,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-03 02:54:00,583 INFO L87 Difference]: Start difference. First operand 3404 states and 4676 transitions. Second operand 5 states. [2019-10-03 02:54:01,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:01,976 INFO L93 Difference]: Finished difference Result 8676 states and 11806 transitions. [2019-10-03 02:54:01,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-03 02:54:01,977 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 204 [2019-10-03 02:54:01,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:02,022 INFO L225 Difference]: With dead ends: 8676 [2019-10-03 02:54:02,023 INFO L226 Difference]: Without dead ends: 7882 [2019-10-03 02:54:02,023 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-03 02:54:02,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2019-10-03 02:54:02,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7616. [2019-10-03 02:54:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7616 states. [2019-10-03 02:54:02,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7616 states to 7616 states and 10488 transitions. [2019-10-03 02:54:02,304 INFO L78 Accepts]: Start accepts. Automaton has 7616 states and 10488 transitions. Word has length 204 [2019-10-03 02:54:02,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:02,305 INFO L475 AbstractCegarLoop]: Abstraction has 7616 states and 10488 transitions. [2019-10-03 02:54:02,305 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-03 02:54:02,305 INFO L276 IsEmpty]: Start isEmpty. Operand 7616 states and 10488 transitions. [2019-10-03 02:54:02,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-10-03 02:54:02,326 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:02,326 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:02,327 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:02,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:02,327 INFO L82 PathProgramCache]: Analyzing trace with hash -1182151362, now seen corresponding path program 1 times [2019-10-03 02:54:02,328 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:02,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:02,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:02,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:02,335 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:02,636 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-10-03 02:54:02,636 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:02,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:54:02,636 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:02,637 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:54:02,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:54:02,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:54:02,638 INFO L87 Difference]: Start difference. First operand 7616 states and 10488 transitions. Second operand 8 states. [2019-10-03 02:54:07,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:07,942 INFO L93 Difference]: Finished difference Result 15663 states and 22695 transitions. [2019-10-03 02:54:07,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-03 02:54:07,948 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 226 [2019-10-03 02:54:07,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:08,132 INFO L225 Difference]: With dead ends: 15663 [2019-10-03 02:54:08,132 INFO L226 Difference]: Without dead ends: 15663 [2019-10-03 02:54:08,134 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-10-03 02:54:08,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15663 states. [2019-10-03 02:54:08,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15663 to 9868. [2019-10-03 02:54:08,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9868 states. [2019-10-03 02:54:08,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9868 states to 9868 states and 14984 transitions. [2019-10-03 02:54:08,493 INFO L78 Accepts]: Start accepts. Automaton has 9868 states and 14984 transitions. Word has length 226 [2019-10-03 02:54:08,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:08,494 INFO L475 AbstractCegarLoop]: Abstraction has 9868 states and 14984 transitions. [2019-10-03 02:54:08,494 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:54:08,494 INFO L276 IsEmpty]: Start isEmpty. Operand 9868 states and 14984 transitions. [2019-10-03 02:54:08,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-10-03 02:54:08,531 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:08,532 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:08,532 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:08,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:08,533 INFO L82 PathProgramCache]: Analyzing trace with hash 1582698216, now seen corresponding path program 1 times [2019-10-03 02:54:08,533 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:08,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:08,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:08,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:08,537 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-03 02:54:08,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:08,775 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:54:08,775 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:08,776 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:54:08,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:54:08,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:54:08,777 INFO L87 Difference]: Start difference. First operand 9868 states and 14984 transitions. Second operand 8 states. [2019-10-03 02:54:13,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:13,722 INFO L93 Difference]: Finished difference Result 20703 states and 33591 transitions. [2019-10-03 02:54:13,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-03 02:54:13,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 242 [2019-10-03 02:54:13,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:13,827 INFO L225 Difference]: With dead ends: 20703 [2019-10-03 02:54:13,828 INFO L226 Difference]: Without dead ends: 20703 [2019-10-03 02:54:13,828 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-10-03 02:54:13,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20703 states. [2019-10-03 02:54:15,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20703 to 14492. [2019-10-03 02:54:15,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14492 states. [2019-10-03 02:54:15,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14492 states to 14492 states and 24816 transitions. [2019-10-03 02:54:15,204 INFO L78 Accepts]: Start accepts. Automaton has 14492 states and 24816 transitions. Word has length 242 [2019-10-03 02:54:15,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:15,204 INFO L475 AbstractCegarLoop]: Abstraction has 14492 states and 24816 transitions. [2019-10-03 02:54:15,205 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:54:15,205 INFO L276 IsEmpty]: Start isEmpty. Operand 14492 states and 24816 transitions. [2019-10-03 02:54:15,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2019-10-03 02:54:15,289 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:15,290 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:15,290 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:15,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:15,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1158250007, now seen corresponding path program 1 times [2019-10-03 02:54:15,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:15,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:15,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:15,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:15,298 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:15,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:15,513 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-10-03 02:54:15,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:54:15,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-03 02:54:15,514 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:15,514 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-03 02:54:15,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-03 02:54:15,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-03 02:54:15,515 INFO L87 Difference]: Start difference. First operand 14492 states and 24816 transitions. Second operand 8 states. [2019-10-03 02:54:20,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:20,697 INFO L93 Difference]: Finished difference Result 30935 states and 57019 transitions. [2019-10-03 02:54:20,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-10-03 02:54:20,697 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 243 [2019-10-03 02:54:20,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:20,866 INFO L225 Difference]: With dead ends: 30935 [2019-10-03 02:54:20,866 INFO L226 Difference]: Without dead ends: 30935 [2019-10-03 02:54:20,867 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2019-10-03 02:54:20,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30935 states. [2019-10-03 02:54:22,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30935 to 23868. [2019-10-03 02:54:22,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23868 states. [2019-10-03 02:54:22,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23868 states to 23868 states and 46020 transitions. [2019-10-03 02:54:22,617 INFO L78 Accepts]: Start accepts. Automaton has 23868 states and 46020 transitions. Word has length 243 [2019-10-03 02:54:22,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:22,618 INFO L475 AbstractCegarLoop]: Abstraction has 23868 states and 46020 transitions. [2019-10-03 02:54:22,618 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-03 02:54:22,618 INFO L276 IsEmpty]: Start isEmpty. Operand 23868 states and 46020 transitions. [2019-10-03 02:54:22,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-10-03 02:54:22,772 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:54:22,772 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:54:22,773 INFO L418 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:54:22,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:22,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1779269505, now seen corresponding path program 1 times [2019-10-03 02:54:22,774 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:54:22,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:22,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:54:22,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:54:22,780 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:54:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:54:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 02:54:26,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:54:26,069 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:54:26,071 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 233 with the following transitions: [2019-10-03 02:54:26,073 INFO L207 CegarAbsIntRunner]: [85], [88], [98], [105], [108], [123], [139], [142], [151], [152], [155], [156], [157], [159], [241], [244], [250], [269], [271], [275], [278], [279], [280], [283], [289], [316], [319], [328], [349], [351], [352], [355], [365], [368], [370], [373], [375], [377], [396], [399], [408], [509], [512], [522], [584], [586], [587], [588], [606], [609], [623], [626], [629], [643], [682], [683], [684], [686], [688], [691], [694], [700], [724], [728], [731], [739], [742], [773], [807], [816], [820], [822], [824], [827], [834], [841], [848], [855], [862], [869], [872], [874], [1056], [1059], [1062], [1106], [1107], [1110], [1113], [1116], [1160], [1179], [1181], [1183], [1186], [1194], [1217], [1220], [1221], [1224], [1227], [1258], [1259], [1261], [1330], [1333], [1339], [1374], [1377], [1391], [1399], [1402], [1411], [1440], [1443], [1445], [1447], [1449], [1454], [1499], [1501], [1502], [1625], [1627], [1629], [1631], [1632], [1656], [1657], [1658], [1659], [1660], [1661], [1662], [1672], [1673], [1674], [1675], [1676], [1677], [1680], [1681], [1682], [1683], [1684], [1686], [1687], [1688], [1689], [1706], [1707], [1708], [1709], [1710], [1711], [1734], [1735], [1750], [1751], [1752], [1753], [1754], [1756], [1757], [1758], [1759], [1760], [1761], [1762], [1763], [1764], [1766], [1767], [1768], [1769], [1784], [1808], [1809], [1822], [1824], [1825], [1826], [1827], [1828], [1829], [1830], [1831], [1832], [1840], [1841], [1842], [1843], [1844], [1845], [1846], [1854], [1855], [1856], [1857], [1858], [1859], [1860], [1862], [1863], [1870], [1871], [1872], [1873], [1874], [1875], [1876], [1877], [1878] [2019-10-03 02:54:26,138 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:54:26,138 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:54:26,291 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:54:26,293 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 230 root evaluator evaluations with a maximum evaluation depth of 0. Performed 230 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 378 variables. [2019-10-03 02:54:26,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:54:26,299 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:54:26,387 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:54:26,387 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:54:26,402 INFO L420 sIntCurrentIteration]: We unified 231 AI predicates to 231 [2019-10-03 02:54:26,402 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:54:26,403 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:54:26,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [52] total 52 [2019-10-03 02:54:26,403 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:54:26,404 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:54:26,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:54:26,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:54:26,405 INFO L87 Difference]: Start difference. First operand 23868 states and 46020 transitions. Second operand 2 states. [2019-10-03 02:54:26,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:54:26,405 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:54:26,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:54:26,406 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 232 [2019-10-03 02:54:26,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:54:26,406 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:54:26,406 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:54:26,407 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 231 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 02:54:26,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:54:26,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:54:26,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:54:26,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:54:26,408 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 232 [2019-10-03 02:54:26,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:54:26,408 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:54:26,408 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:54:26,409 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:54:26,409 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:54:26,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:54:26 BoogieIcfgContainer [2019-10-03 02:54:26,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:54:26,420 INFO L168 Benchmark]: Toolchain (without parser) took 42200.98 ms. Allocated memory was 135.8 MB in the beginning and 938.0 MB in the end (delta: 802.2 MB). Free memory was 84.3 MB in the beginning and 172.9 MB in the end (delta: -88.6 MB). Peak memory consumption was 713.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:26,422 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:54:26,424 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1148.83 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 84.1 MB in the beginning and 131.4 MB in the end (delta: -47.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:26,431 INFO L168 Benchmark]: Boogie Preprocessor took 244.44 ms. Allocated memory is still 201.9 MB. Free memory was 131.4 MB in the beginning and 122.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:26,433 INFO L168 Benchmark]: RCFGBuilder took 2716.22 ms. Allocated memory was 201.9 MB in the beginning and 265.3 MB in the end (delta: 63.4 MB). Free memory was 122.8 MB in the beginning and 159.6 MB in the end (delta: -36.8 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:26,434 INFO L168 Benchmark]: TraceAbstraction took 38085.87 ms. Allocated memory was 265.3 MB in the beginning and 938.0 MB in the end (delta: 672.7 MB). Free memory was 159.6 MB in the beginning and 172.9 MB in the end (delta: -13.3 MB). Peak memory consumption was 659.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:54:26,448 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1148.83 ms. Allocated memory was 135.8 MB in the beginning and 201.9 MB in the end (delta: 66.1 MB). Free memory was 84.1 MB in the beginning and 131.4 MB in the end (delta: -47.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 244.44 ms. Allocated memory is still 201.9 MB. Free memory was 131.4 MB in the beginning and 122.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2716.22 ms. Allocated memory was 201.9 MB in the beginning and 265.3 MB in the end (delta: 63.4 MB). Free memory was 122.8 MB in the beginning and 159.6 MB in the end (delta: -36.8 MB). Peak memory consumption was 82.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 38085.87 ms. Allocated memory was 265.3 MB in the beginning and 938.0 MB in the end (delta: 672.7 MB). Free memory was 159.6 MB in the beginning and 172.9 MB in the end (delta: -13.3 MB). Peak memory consumption was 659.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 938]: 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 113 procedures, 768 locations, 1 error locations. SAFE Result, 38.0s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 25.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 10032 SDtfs, 9462 SDslu, 29334 SDs, 0 SdLazy, 15899 SolverSat, 2990 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 290 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23868occurred in iteration=13, 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, 2.064935064935065 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 4.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 19506 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 2864 NumberOfCodeBlocks, 2864 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2850 ConstructedInterpolants, 0 QuantifiedInterpolants, 863066 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 13 PerfectInterpolantSequences, 478/482 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...