java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:40:04,696 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:40:04,698 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:40:04,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:40:04,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:40:04,712 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:40:04,713 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:40:04,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:40:04,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:40:04,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:40:04,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:40:04,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:40:04,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:40:04,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:40:04,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:40:04,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:40:04,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:40:04,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:40:04,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:40:04,728 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:40:04,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:40:04,731 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:40:04,732 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:40:04,733 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:40:04,735 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:40:04,735 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:40:04,735 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:40:04,736 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:40:04,736 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:40:04,737 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:40:04,737 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:40:04,738 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:40:04,739 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:40:04,740 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:40:04,741 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:40:04,741 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:40:04,742 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:40:04,742 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:40:04,742 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:40:04,743 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:40:04,744 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:40:04,744 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:40:04,762 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:40:04,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:40:04,762 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:40:04,763 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:40:04,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:40:04,764 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:40:04,764 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:40:04,764 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:40:04,765 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:40:04,765 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:40:04,767 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:40:04,767 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:40:04,768 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:40:04,768 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:40:04,768 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:40:04,768 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:40:04,769 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:40:04,769 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:40:04,769 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:40:04,769 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:40:04,770 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:40:04,770 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:40:04,770 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:40:04,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:04,771 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:40:04,771 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:40:04,771 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:40:04,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:40:04,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:40:04,772 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:40:04,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:40:04,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:40:04,836 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:40:04,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:40:04,838 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:40:04,839 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2019-09-10 02:40:04,904 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765795790/fd13a960d5d5479abe64488b7b4864c2/FLAG59fce95d3 [2019-09-10 02:40:05,482 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:40:05,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product15.cil.c [2019-09-10 02:40:05,514 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765795790/fd13a960d5d5479abe64488b7b4864c2/FLAG59fce95d3 [2019-09-10 02:40:05,739 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/765795790/fd13a960d5d5479abe64488b7b4864c2 [2019-09-10 02:40:05,749 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:40:05,751 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:40:05,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:05,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:40:05,755 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:40:05,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:05" (1/1) ... [2019-09-10 02:40:05,759 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2caa90b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:05, skipping insertion in model container [2019-09-10 02:40:05,760 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:40:05" (1/1) ... [2019-09-10 02:40:05,767 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:40:05,856 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:40:06,565 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:06,585 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:40:06,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:40:06,846 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:40:06,846 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06 WrapperNode [2019-09-10 02:40:06,846 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:40:06,847 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:40:06,847 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:40:06,848 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:40:06,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,861 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,892 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,893 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... [2019-09-10 02:40:06,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:40:06,997 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:40:06,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:40:06,998 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:40:06,999 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:40:07,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:40:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:40:07,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:40:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:40:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:40:07,091 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:40:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:40:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:40:07,092 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:40:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:40:07,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:40:07,094 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:40:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:40:07,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:40:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:40:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:40:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:40:07,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:40:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:40:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:40:07,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:40:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:40:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:40:07,099 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:40:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:40:07,100 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:40:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:40:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:40:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:40:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:40:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:40:07,101 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:40:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:40:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:40:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:40:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:40:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:40:07,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:40:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:40:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:40:07,103 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:40:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:40:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:40:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:40:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:40:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:40:07,104 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:40:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:40:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:40:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:40:07,105 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:40:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:40:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:40:07,106 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-09-10 02:40:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:40:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-09-10 02:40:07,107 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:40:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:40:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:40:07,108 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:40:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-09-10 02:40:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:40:07,109 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:40:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:40:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:40:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:40:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:40:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:40:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:40:07,112 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:40:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:40:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:40:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:40:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:40:07,113 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:40:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:40:07,114 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:40:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:40:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:07,115 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:40:07,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:40:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:40:07,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-09-10 02:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:07,118 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-09-10 02:40:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:40:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:40:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:40:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:40:07,119 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:40:07,120 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:40:07,121 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:40:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:40:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:40:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:40:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:40:07,122 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:40:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:40:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:40:07,123 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:40:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:40:07,124 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:40:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:40:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:40:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:40:07,125 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:40:07,126 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:40:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:40:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:40:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:40:07,127 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:40:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:40:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:40:07,128 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:40:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:40:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:40:07,129 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:40:07,130 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:40:07,131 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:40:07,132 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:40:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:40:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-09-10 02:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:40:07,135 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-09-10 02:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:40:07,136 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:40:07,137 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:40:07,138 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:40:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-09-10 02:40:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:40:07,141 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:40:07,142 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:40:07,143 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:40:07,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:40:07,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:40:09,308 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:40:09,308 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:40:09,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:09 BoogieIcfgContainer [2019-09-10 02:40:09,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:40:09,313 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:40:09,313 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:40:09,316 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:40:09,316 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:40:05" (1/3) ... [2019-09-10 02:40:09,317 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e439fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:09, skipping insertion in model container [2019-09-10 02:40:09,317 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:40:06" (2/3) ... [2019-09-10 02:40:09,318 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e439fab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:40:09, skipping insertion in model container [2019-09-10 02:40:09,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:40:09" (3/3) ... [2019-09-10 02:40:09,320 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product15.cil.c [2019-09-10 02:40:09,330 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:40:09,339 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:40:09,355 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:40:09,384 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:40:09,384 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:40:09,384 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:40:09,385 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:40:09,385 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:40:09,385 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:40:09,385 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:40:09,385 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:40:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states. [2019-09-10 02:40:09,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-10 02:40:09,459 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:09,460 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:09,463 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:09,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:09,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1912918606, now seen corresponding path program 1 times [2019-09-10 02:40:09,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:09,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:09,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:09,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:09,527 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:09,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:09,981 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:09,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:09,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:40:09,984 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:09,992 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:10,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:10,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:10,010 INFO L87 Difference]: Start difference. First operand 466 states. Second operand 2 states. [2019-09-10 02:40:10,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:10,055 INFO L93 Difference]: Finished difference Result 428 states and 571 transitions. [2019-09-10 02:40:10,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:10,056 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-09-10 02:40:10,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:10,076 INFO L225 Difference]: With dead ends: 428 [2019-09-10 02:40:10,076 INFO L226 Difference]: Without dead ends: 419 [2019-09-10 02:40:10,078 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:10,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2019-09-10 02:40:10,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2019-09-10 02:40:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2019-09-10 02:40:10,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 560 transitions. [2019-09-10 02:40:10,156 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 560 transitions. Word has length 145 [2019-09-10 02:40:10,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:10,158 INFO L475 AbstractCegarLoop]: Abstraction has 419 states and 560 transitions. [2019-09-10 02:40:10,158 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:10,158 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 560 transitions. [2019-09-10 02:40:10,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-10 02:40:10,162 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:10,162 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:10,163 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:10,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:10,163 INFO L82 PathProgramCache]: Analyzing trace with hash 446933030, now seen corresponding path program 1 times [2019-09-10 02:40:10,163 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:10,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:10,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:10,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:10,165 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:10,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:10,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:10,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:10,438 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:10,440 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:10,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:10,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:10,442 INFO L87 Difference]: Start difference. First operand 419 states and 560 transitions. Second operand 3 states. [2019-09-10 02:40:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:10,503 INFO L93 Difference]: Finished difference Result 422 states and 563 transitions. [2019-09-10 02:40:10,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:10,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-09-10 02:40:10,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:10,511 INFO L225 Difference]: With dead ends: 422 [2019-09-10 02:40:10,511 INFO L226 Difference]: Without dead ends: 422 [2019-09-10 02:40:10,513 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:10,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2019-09-10 02:40:10,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 421. [2019-09-10 02:40:10,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-09-10 02:40:10,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 562 transitions. [2019-09-10 02:40:10,560 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 562 transitions. Word has length 146 [2019-09-10 02:40:10,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:10,561 INFO L475 AbstractCegarLoop]: Abstraction has 421 states and 562 transitions. [2019-09-10 02:40:10,561 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:10,561 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 562 transitions. [2019-09-10 02:40:10,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-09-10 02:40:10,564 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:10,564 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:10,564 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:10,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:10,565 INFO L82 PathProgramCache]: Analyzing trace with hash -874845866, now seen corresponding path program 1 times [2019-09-10 02:40:10,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:10,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:10,567 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:10,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:10,567 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:10,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:10,762 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:10,762 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:10,764 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:10,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:10,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:10,768 INFO L87 Difference]: Start difference. First operand 421 states and 562 transitions. Second operand 3 states. [2019-09-10 02:40:10,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:10,804 INFO L93 Difference]: Finished difference Result 462 states and 632 transitions. [2019-09-10 02:40:10,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:10,805 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-09-10 02:40:10,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:10,809 INFO L225 Difference]: With dead ends: 462 [2019-09-10 02:40:10,809 INFO L226 Difference]: Without dead ends: 462 [2019-09-10 02:40:10,809 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:10,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 462 states. [2019-09-10 02:40:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 462 to 461. [2019-09-10 02:40:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-09-10 02:40:10,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 631 transitions. [2019-09-10 02:40:10,829 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 631 transitions. Word has length 156 [2019-09-10 02:40:10,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:10,829 INFO L475 AbstractCegarLoop]: Abstraction has 461 states and 631 transitions. [2019-09-10 02:40:10,829 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:10,829 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 631 transitions. [2019-09-10 02:40:10,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-10 02:40:10,833 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:10,833 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:10,834 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:10,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:10,834 INFO L82 PathProgramCache]: Analyzing trace with hash -724570560, now seen corresponding path program 1 times [2019-09-10 02:40:10,834 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:10,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:10,835 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:10,835 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:10,836 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:10,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:10,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:10,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:10,992 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:10,993 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:10,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:10,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:10,994 INFO L87 Difference]: Start difference. First operand 461 states and 631 transitions. Second operand 3 states. [2019-09-10 02:40:11,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:11,016 INFO L93 Difference]: Finished difference Result 539 states and 764 transitions. [2019-09-10 02:40:11,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:11,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-09-10 02:40:11,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:11,029 INFO L225 Difference]: With dead ends: 539 [2019-09-10 02:40:11,029 INFO L226 Difference]: Without dead ends: 539 [2019-09-10 02:40:11,029 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:11,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-09-10 02:40:11,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 538. [2019-09-10 02:40:11,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-09-10 02:40:11,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 763 transitions. [2019-09-10 02:40:11,069 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 763 transitions. Word has length 157 [2019-09-10 02:40:11,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:11,070 INFO L475 AbstractCegarLoop]: Abstraction has 538 states and 763 transitions. [2019-09-10 02:40:11,071 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 763 transitions. [2019-09-10 02:40:11,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-09-10 02:40:11,080 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:11,080 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:11,081 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:11,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:11,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1753586442, now seen corresponding path program 1 times [2019-09-10 02:40:11,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:11,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:11,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:11,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:11,083 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:11,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:11,284 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:11,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:11,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:11,285 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:11,285 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:11,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:11,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:11,287 INFO L87 Difference]: Start difference. First operand 538 states and 763 transitions. Second operand 3 states. [2019-09-10 02:40:11,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:11,315 INFO L93 Difference]: Finished difference Result 687 states and 1016 transitions. [2019-09-10 02:40:11,318 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:11,318 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-09-10 02:40:11,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:11,325 INFO L225 Difference]: With dead ends: 687 [2019-09-10 02:40:11,325 INFO L226 Difference]: Without dead ends: 687 [2019-09-10 02:40:11,325 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:11,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 687 states. [2019-09-10 02:40:11,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 687 to 686. [2019-09-10 02:40:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2019-09-10 02:40:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 1015 transitions. [2019-09-10 02:40:11,370 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 1015 transitions. Word has length 158 [2019-09-10 02:40:11,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:11,371 INFO L475 AbstractCegarLoop]: Abstraction has 686 states and 1015 transitions. [2019-09-10 02:40:11,371 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 1015 transitions. [2019-09-10 02:40:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-10 02:40:11,375 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:11,376 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:11,376 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:11,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:11,376 INFO L82 PathProgramCache]: Analyzing trace with hash -862283104, now seen corresponding path program 1 times [2019-09-10 02:40:11,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:11,381 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:11,381 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:11,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:11,382 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:11,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:11,560 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:11,560 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:11,560 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:11,560 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:11,561 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:11,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:11,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:11,562 INFO L87 Difference]: Start difference. First operand 686 states and 1015 transitions. Second operand 3 states. [2019-09-10 02:40:11,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:11,586 INFO L93 Difference]: Finished difference Result 971 states and 1496 transitions. [2019-09-10 02:40:11,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:11,586 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-09-10 02:40:11,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:11,594 INFO L225 Difference]: With dead ends: 971 [2019-09-10 02:40:11,594 INFO L226 Difference]: Without dead ends: 971 [2019-09-10 02:40:11,595 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:11,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2019-09-10 02:40:11,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 970. [2019-09-10 02:40:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 970 states. [2019-09-10 02:40:11,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 970 states to 970 states and 1495 transitions. [2019-09-10 02:40:11,629 INFO L78 Accepts]: Start accepts. Automaton has 970 states and 1495 transitions. Word has length 159 [2019-09-10 02:40:11,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:11,630 INFO L475 AbstractCegarLoop]: Abstraction has 970 states and 1495 transitions. [2019-09-10 02:40:11,630 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:11,631 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1495 transitions. [2019-09-10 02:40:11,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-09-10 02:40:11,635 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:11,636 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:11,636 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:11,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:11,636 INFO L82 PathProgramCache]: Analyzing trace with hash -152708534, now seen corresponding path program 1 times [2019-09-10 02:40:11,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:11,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:11,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:11,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:11,638 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:11,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:11,799 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:11,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:11,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:40:11,800 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:11,801 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:40:11,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:40:11,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:40:11,802 INFO L87 Difference]: Start difference. First operand 970 states and 1495 transitions. Second operand 6 states. [2019-09-10 02:40:12,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:12,355 INFO L93 Difference]: Finished difference Result 984 states and 1512 transitions. [2019-09-10 02:40:12,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:40:12,356 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2019-09-10 02:40:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:12,361 INFO L225 Difference]: With dead ends: 984 [2019-09-10 02:40:12,362 INFO L226 Difference]: Without dead ends: 982 [2019-09-10 02:40:12,362 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:40:12,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2019-09-10 02:40:12,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 982. [2019-09-10 02:40:12,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 982 states. [2019-09-10 02:40:12,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 982 states and 1510 transitions. [2019-09-10 02:40:12,391 INFO L78 Accepts]: Start accepts. Automaton has 982 states and 1510 transitions. Word has length 162 [2019-09-10 02:40:12,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:12,391 INFO L475 AbstractCegarLoop]: Abstraction has 982 states and 1510 transitions. [2019-09-10 02:40:12,391 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:40:12,391 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1510 transitions. [2019-09-10 02:40:12,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-09-10 02:40:12,396 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:12,397 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:12,397 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:12,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:12,398 INFO L82 PathProgramCache]: Analyzing trace with hash -714862442, now seen corresponding path program 1 times [2019-09-10 02:40:12,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:12,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:12,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:12,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:12,399 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:12,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:12,523 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-10 02:40:12,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:40:12,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:40:12,524 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:12,525 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:40:12,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:40:12,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:12,526 INFO L87 Difference]: Start difference. First operand 982 states and 1510 transitions. Second operand 3 states. [2019-09-10 02:40:12,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:12,550 INFO L93 Difference]: Finished difference Result 1527 states and 2423 transitions. [2019-09-10 02:40:12,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:40:12,551 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-09-10 02:40:12,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:12,560 INFO L225 Difference]: With dead ends: 1527 [2019-09-10 02:40:12,560 INFO L226 Difference]: Without dead ends: 1527 [2019-09-10 02:40:12,561 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:40:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2019-09-10 02:40:12,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1526. [2019-09-10 02:40:12,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2019-09-10 02:40:12,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 2422 transitions. [2019-09-10 02:40:12,620 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 2422 transitions. Word has length 160 [2019-09-10 02:40:12,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:12,621 INFO L475 AbstractCegarLoop]: Abstraction has 1526 states and 2422 transitions. [2019-09-10 02:40:12,621 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:40:12,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2422 transitions. [2019-09-10 02:40:12,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-09-10 02:40:12,632 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:40:12,632 INFO L399 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:40:12,632 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:40:12,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:12,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1995786782, now seen corresponding path program 1 times [2019-09-10 02:40:12,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:40:12,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:12,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:40:12,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:40:12,634 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:40:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:40:12,816 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-10 02:40:12,816 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:40:12,816 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:40:12,817 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2019-09-10 02:40:12,820 INFO L207 CegarAbsIntRunner]: [110], [139], [142], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [300], [307], [309], [312], [331], [334], [343], [354], [356], [357], [360], [370], [400], [585], [587], [588], [589], [625], [628], [642], [681], [682], [683], [723], [727], [730], [738], [741], [805], [814], [818], [820], [822], [825], [832], [839], [842], [844], [978], [983], [986], [995], [1103], [1175], [1177], [1179], [1186], [1190], [1213], [1216], [1217], [1220], [1223], [1254], [1255], [1257], [1340], [1343], [1349], [1370], [1373], [1387], [1395], [1398], [1407], [1596], [1598], [1600], [1602], [1603], [1625], [1635], [1636], [1637], [1638], [1639], [1640], [1643], [1644], [1645], [1646], [1647], [1649], [1650], [1651], [1652], [1661], [1662], [1663], [1675], [1676], [1681], [1682], [1699], [1700], [1713], [1719], [1720], [1721], [1722], [1723], [1724], [1725], [1726], [1727], [1729], [1730], [1731], [1732], [1765], [1766], [1781], [1783], [1784], [1785], [1786], [1791], [1799], [1800], [1801], [1802], [1803], [1804], [1805], [1819], [1820], [1821], [1822], [1823], [1824], [1825], [1826], [1827] [2019-09-10 02:40:12,887 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:40:12,888 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:40:13,045 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:40:13,047 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 286 root evaluator evaluations with a maximum evaluation depth of 0. Performed 286 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 362 variables. [2019-09-10 02:40:13,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:40:13,051 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:40:13,129 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:40:13,130 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:40:13,137 INFO L420 sIntCurrentIteration]: We unified 162 AI predicates to 162 [2019-09-10 02:40:13,138 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:40:13,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:40:13,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [7] total 7 [2019-09-10 02:40:13,139 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:40:13,141 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:40:13,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:40:13,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:13,142 INFO L87 Difference]: Start difference. First operand 1526 states and 2422 transitions. Second operand 2 states. [2019-09-10 02:40:13,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:40:13,143 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:40:13,143 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:40:13,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 163 [2019-09-10 02:40:13,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:40:13,143 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:40:13,143 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:40:13,144 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:40:13,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:40:13,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:40:13,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:40:13,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:40:13,145 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 163 [2019-09-10 02:40:13,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:40:13,145 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:40:13,145 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:40:13,146 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:40:13,146 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:40:13,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:40:13 BoogieIcfgContainer [2019-09-10 02:40:13,151 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:40:13,154 INFO L168 Benchmark]: Toolchain (without parser) took 7402.25 ms. Allocated memory was 131.6 MB in the beginning and 361.2 MB in the end (delta: 229.6 MB). Free memory was 85.1 MB in the beginning and 119.9 MB in the end (delta: -34.7 MB). Peak memory consumption was 194.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:13,156 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:40:13,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1095.14 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 135.4 MB in the end (delta: -50.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:13,159 INFO L168 Benchmark]: Boogie Preprocessor took 149.80 ms. Allocated memory is still 199.2 MB. Free memory was 135.4 MB in the beginning and 126.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:13,160 INFO L168 Benchmark]: RCFGBuilder took 2312.72 ms. Allocated memory was 199.2 MB in the beginning and 271.1 MB in the end (delta: 71.8 MB). Free memory was 126.6 MB in the beginning and 193.4 MB in the end (delta: -66.8 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:13,165 INFO L168 Benchmark]: TraceAbstraction took 3838.60 ms. Allocated memory was 271.1 MB in the beginning and 361.2 MB in the end (delta: 90.2 MB). Free memory was 193.4 MB in the beginning and 119.9 MB in the end (delta: 73.5 MB). Peak memory consumption was 163.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:40:13,172 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 131.6 MB. Free memory was 106.2 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1095.14 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 84.9 MB in the beginning and 135.4 MB in the end (delta: -50.5 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.80 ms. Allocated memory is still 199.2 MB. Free memory was 135.4 MB in the beginning and 126.6 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2312.72 ms. Allocated memory was 199.2 MB in the beginning and 271.1 MB in the end (delta: 71.8 MB). Free memory was 126.6 MB in the beginning and 193.4 MB in the end (delta: -66.8 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3838.60 ms. Allocated memory was 271.1 MB in the beginning and 361.2 MB in the end (delta: 90.2 MB). Free memory was 193.4 MB in the beginning and 119.9 MB in the end (delta: 73.5 MB). Peak memory consumption was 163.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1535]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 109 procedures, 741 locations, 1 error locations. SAFE Result, 3.7s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 0.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4542 SDtfs, 807 SDslu, 4854 SDs, 0 SdLazy, 213 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1526occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.2s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.271604938271605 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 6 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1406 NumberOfCodeBlocks, 1406 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1397 ConstructedInterpolants, 0 QuantifiedInterpolants, 239715 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 263/266 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...