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_spec4_productSimulator.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:41:40,029 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:41:40,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:41:40,043 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:41:40,043 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:41:40,045 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:41:40,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:41:40,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:41:40,050 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:41:40,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:41:40,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:41:40,053 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:41:40,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:41:40,054 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:41:40,055 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:41:40,056 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:41:40,057 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:41:40,058 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:41:40,060 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:41:40,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:41:40,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:41:40,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:41:40,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:41:40,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:41:40,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:41:40,069 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:41:40,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:41:40,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:41:40,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:41:40,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:41:40,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:41:40,074 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:41:40,075 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:41:40,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:41:40,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:41:40,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:41:40,081 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:41:40,081 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:41:40,081 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:41:40,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:41:40,083 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:41:40,084 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 02:41:40,098 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:41:40,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:41:40,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:41:40,099 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:41:40,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:41:40,100 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:41:40,100 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:41:40,101 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:41:40,101 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:41:40,101 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:41:40,102 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:41:40,102 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:41:40,102 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:41:40,102 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:41:40,102 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:41:40,103 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:41:40,103 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:41:40,103 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:41:40,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:41:40,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:41:40,104 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:41:40,104 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:41:40,104 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:41:40,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:41:40,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:41:40,105 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:41:40,105 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:41:40,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:41:40,105 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:41:40,105 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:41:40,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:41:40,167 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:41:40,171 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:41:40,173 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:41:40,176 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:41:40,177 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c [2019-09-10 02:41:40,245 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2f737cd/98446b69fbd142a4b650f903e2575458/FLAG2d3dc714a [2019-09-10 02:41:41,009 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:41:41,011 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec4_productSimulator.cil.c [2019-09-10 02:41:41,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2f737cd/98446b69fbd142a4b650f903e2575458/FLAG2d3dc714a [2019-09-10 02:41:41,110 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f2f737cd/98446b69fbd142a4b650f903e2575458 [2019-09-10 02:41:41,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:41:41,122 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:41:41,125 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:41,125 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:41:41,129 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:41:41,130 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:41" (1/1) ... [2019-09-10 02:41:41,133 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74484fbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:41, skipping insertion in model container [2019-09-10 02:41:41,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:41:41" (1/1) ... [2019-09-10 02:41:41,139 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:41:41,223 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:41:42,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:42,113 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:41:42,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:41:42,393 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:41:42,394 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42 WrapperNode [2019-09-10 02:41:42,394 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:41:42,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:41:42,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:41:42,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:41:42,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (1/1) ... [2019-09-10 02:41:42,614 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:41:42,615 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:41:42,615 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:41:42,616 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:41:42,618 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (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 02:41:42,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:41:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:41:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:42,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:41:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-09-10 02:41:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-09-10 02:41:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Encrypt [2019-09-10 02:41:42,688 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Encrypt [2019-09-10 02:41:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__AddressBook [2019-09-10 02:41:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__AddressBook [2019-09-10 02:41:42,689 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__before__Sign [2019-09-10 02:41:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__role__Sign [2019-09-10 02:41:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-09-10 02:41:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-09-10 02:41:42,690 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__AutoResponder [2019-09-10 02:41:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__AutoResponder [2019-09-10 02:41:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Forward [2019-09-10 02:41:42,691 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Forward [2019-09-10 02:41:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Verify [2019-09-10 02:41:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Verify [2019-09-10 02:41:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__before__Decrypt [2019-09-10 02:41:42,692 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__role__Decrypt [2019-09-10 02:41:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-09-10 02:41:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-09-10 02:41:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-09-10 02:41:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-09-10 02:41:42,693 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-09-10 02:41:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-09-10 02:41:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-09-10 02:41:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-09-10 02:41:42,694 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-09-10 02:41:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-09-10 02:41:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-09-10 02:41:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-09-10 02:41:42,695 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-09-10 02:41:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-09-10 02:41:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:41:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-09-10 02:41:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-09-10 02:41:42,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-09-10 02:41:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-09-10 02:41:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-09-10 02:41:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-09-10 02:41:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-09-10 02:41:42,697 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-09-10 02:41:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-09-10 02:41:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-09-10 02:41:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-09-10 02:41:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-09-10 02:41:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-09-10 02:41:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-09-10 02:41:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-09-10 02:41:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-09-10 02:41:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-09-10 02:41:42,699 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-09-10 02:41:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-09-10 02:41:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-09-10 02:41:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-09-10 02:41:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-09-10 02:41:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-09-10 02:41:42,700 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-09-10 02:41:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-09-10 02:41:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-09-10 02:41:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-09-10 02:41:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-09-10 02:41:42,701 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-09-10 02:41:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:41:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:41:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:41:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:41:42,702 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-09-10 02:41:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-09-10 02:41:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-09-10 02:41:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-09-10 02:41:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-09-10 02:41:42,703 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-09-10 02:41:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-09-10 02:41:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-09-10 02:41:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-09-10 02:41:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-09-10 02:41:42,704 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-09-10 02:41:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-09-10 02:41:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-09-10 02:41:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-09-10 02:41:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-09-10 02:41:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-09-10 02:41:42,705 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-09-10 02:41:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-09-10 02:41:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-09-10 02:41:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-09-10 02:41:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-09-10 02:41:42,706 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__before__Keys [2019-09-10 02:41:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__role__Keys [2019-09-10 02:41:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-09-10 02:41:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__before__Keys [2019-09-10 02:41:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__role__Keys [2019-09-10 02:41:42,707 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-09-10 02:41:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__before__Keys [2019-09-10 02:41:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__role__Keys [2019-09-10 02:41:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-09-10 02:41:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-09-10 02:41:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-09-10 02:41:42,708 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:41:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:41:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-09-10 02:41:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-09-10 02:41:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-09-10 02:41:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-09-10 02:41:42,709 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-09-10 02:41:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-09-10 02:41:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-09-10 02:41:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-09-10 02:41:42,710 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-09-10 02:41:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-09-10 02:41:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-09-10 02:41:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-09-10 02:41:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Encrypt [2019-09-10 02:41:42,711 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Encrypt [2019-09-10 02:41:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Sign [2019-09-10 02:41:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Sign [2019-09-10 02:41:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__before__Verify [2019-09-10 02:41:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__role__Verify [2019-09-10 02:41:42,712 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-09-10 02:41:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__before__Encrypt [2019-09-10 02:41:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__role__Encrypt [2019-09-10 02:41:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-09-10 02:41:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-09-10 02:41:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-09-10 02:41:42,713 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:41:42,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:41:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:41:42,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignForward_spec__1 [2019-09-10 02:41:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:41:42,715 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:41:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-09-10 02:41:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-09-10 02:41:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-09-10 02:41:42,716 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-09-10 02:41:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-09-10 02:41:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-09-10 02:41:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-09-10 02:41:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-09-10 02:41:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-09-10 02:41:42,717 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-09-10 02:41:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-09-10 02:41:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:41:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:41:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-09-10 02:41:42,718 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:41:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-09-10 02:41:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-09-10 02:41:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-09-10 02:41:42,719 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-09-10 02:41:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-09-10 02:41:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-09-10 02:41:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-09-10 02:41:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-09-10 02:41:42,720 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-09-10 02:41:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-09-10 02:41:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-09-10 02:41:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-09-10 02:41:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-09-10 02:41:42,721 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-09-10 02:41:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-09-10 02:41:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-09-10 02:41:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-09-10 02:41:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-09-10 02:41:42,722 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-09-10 02:41:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-09-10 02:41:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-09-10 02:41:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-09-10 02:41:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-09-10 02:41:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-09-10 02:41:42,723 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-09-10 02:41:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-09-10 02:41:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-09-10 02:41:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-09-10 02:41:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-09-10 02:41:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-09-10 02:41:42,724 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-09-10 02:41:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-09-10 02:41:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-09-10 02:41:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-09-10 02:41:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-09-10 02:41:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-09-10 02:41:42,725 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-09-10 02:41:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-09-10 02:41:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-09-10 02:41:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-09-10 02:41:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-09-10 02:41:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-09-10 02:41:42,726 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-09-10 02:41:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignForward_spec__1 [2019-09-10 02:41:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Encrypt [2019-09-10 02:41:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Encrypt [2019-09-10 02:41:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__AddressBook [2019-09-10 02:41:42,727 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__AddressBook [2019-09-10 02:41:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__before__Sign [2019-09-10 02:41:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__role__Sign [2019-09-10 02:41:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__AutoResponder [2019-09-10 02:41:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__AutoResponder [2019-09-10 02:41:42,728 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Forward [2019-09-10 02:41:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Forward [2019-09-10 02:41:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Verify [2019-09-10 02:41:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Verify [2019-09-10 02:41:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__before__Decrypt [2019-09-10 02:41:42,729 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__role__Decrypt [2019-09-10 02:41:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:41:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-09-10 02:41:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-09-10 02:41:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-09-10 02:41:42,730 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-09-10 02:41:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-09-10 02:41:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-09-10 02:41:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-09-10 02:41:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-09-10 02:41:42,731 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-09-10 02:41:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-09-10 02:41:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-09-10 02:41:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-09-10 02:41:42,732 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-09-10 02:41:42,733 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-09-10 02:41:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-09-10 02:41:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-09-10 02:41:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-09-10 02:41:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-09-10 02:41:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-09-10 02:41:42,757 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-09-10 02:41:42,758 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-09-10 02:41:42,759 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__before__Keys [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__role__Keys [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__before__Keys [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__role__Keys [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__before__Keys [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__role__Keys [2019-09-10 02:41:42,760 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Encrypt [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Encrypt [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Sign [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Sign [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__before__Verify [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__role__Verify [2019-09-10 02:41:42,761 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__before__Encrypt [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__role__Encrypt [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:41:42,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:41:42,763 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:41:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:41:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:41:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:41:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:41:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:41:42,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:41:45,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:41:45,141 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-09-10 02:41:45,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:45 BoogieIcfgContainer [2019-09-10 02:41:45,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:41:45,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:41:45,145 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:41:45,149 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:41:45,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:41:41" (1/3) ... [2019-09-10 02:41:45,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9314ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:45, skipping insertion in model container [2019-09-10 02:41:45,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:41:42" (2/3) ... [2019-09-10 02:41:45,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9314ea1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:41:45, skipping insertion in model container [2019-09-10 02:41:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:41:45" (3/3) ... [2019-09-10 02:41:45,153 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec4_productSimulator.cil.c [2019-09-10 02:41:45,164 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:41:45,178 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:41:45,198 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:41:45,235 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:41:45,236 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:41:45,236 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:41:45,236 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:41:45,236 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:41:45,236 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:41:45,236 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:41:45,237 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:41:45,280 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states. [2019-09-10 02:41:45,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-09-10 02:41:45,324 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:45,325 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:45,329 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:45,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:45,336 INFO L82 PathProgramCache]: Analyzing trace with hash 894970913, now seen corresponding path program 1 times [2019-09-10 02:41:45,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:45,397 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:45,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:45,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:45,398 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:46,257 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-09-10 02:41:46,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:46,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-10 02:41:46,260 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:46,269 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-10 02:41:46,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-10 02:41:46,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-10 02:41:46,287 INFO L87 Difference]: Start difference. First operand 814 states. Second operand 6 states. [2019-09-10 02:41:46,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:46,444 INFO L93 Difference]: Finished difference Result 802 states and 1095 transitions. [2019-09-10 02:41:46,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-10 02:41:46,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 176 [2019-09-10 02:41:46,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:46,476 INFO L225 Difference]: With dead ends: 802 [2019-09-10 02:41:46,476 INFO L226 Difference]: Without dead ends: 785 [2019-09-10 02:41:46,478 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:41:46,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 785 states. [2019-09-10 02:41:46,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 785 to 785. [2019-09-10 02:41:46,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2019-09-10 02:41:46,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1069 transitions. [2019-09-10 02:41:46,590 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1069 transitions. Word has length 176 [2019-09-10 02:41:46,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:46,592 INFO L475 AbstractCegarLoop]: Abstraction has 785 states and 1069 transitions. [2019-09-10 02:41:46,592 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-10 02:41:46,593 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1069 transitions. [2019-09-10 02:41:46,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-09-10 02:41:46,598 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:46,598 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:46,599 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:46,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:46,599 INFO L82 PathProgramCache]: Analyzing trace with hash 844588009, now seen corresponding path program 1 times [2019-09-10 02:41:46,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:46,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:46,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:46,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:46,601 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:46,840 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-09-10 02:41:46,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:46,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:41:46,842 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:46,843 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:41:46,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:41:46,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:41:46,846 INFO L87 Difference]: Start difference. First operand 785 states and 1069 transitions. Second operand 4 states. [2019-09-10 02:41:47,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:47,710 INFO L93 Difference]: Finished difference Result 786 states and 1063 transitions. [2019-09-10 02:41:47,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 02:41:47,711 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 182 [2019-09-10 02:41:47,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:47,718 INFO L225 Difference]: With dead ends: 786 [2019-09-10 02:41:47,718 INFO L226 Difference]: Without dead ends: 786 [2019-09-10 02:41:47,720 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:41:47,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 786 states. [2019-09-10 02:41:47,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 786 to 786. [2019-09-10 02:41:47,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-10 02:41:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1063 transitions. [2019-09-10 02:41:47,757 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1063 transitions. Word has length 182 [2019-09-10 02:41:47,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:47,758 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 1063 transitions. [2019-09-10 02:41:47,758 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:41:47,758 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1063 transitions. [2019-09-10 02:41:47,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-09-10 02:41:47,762 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:47,763 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:47,763 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:47,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:47,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1828917881, now seen corresponding path program 1 times [2019-09-10 02:41:47,764 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:47,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:47,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:47,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:47,765 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-10 02:41:48,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:48,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:48,002 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:48,003 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:48,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:48,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:48,004 INFO L87 Difference]: Start difference. First operand 786 states and 1063 transitions. Second operand 3 states. [2019-09-10 02:41:48,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:48,153 INFO L93 Difference]: Finished difference Result 784 states and 1056 transitions. [2019-09-10 02:41:48,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:48,155 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2019-09-10 02:41:48,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:48,164 INFO L225 Difference]: With dead ends: 784 [2019-09-10 02:41:48,164 INFO L226 Difference]: Without dead ends: 784 [2019-09-10 02:41:48,165 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 02:41:48,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2019-09-10 02:41:48,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 784. [2019-09-10 02:41:48,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-09-10 02:41:48,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1056 transitions. [2019-09-10 02:41:48,212 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1056 transitions. Word has length 197 [2019-09-10 02:41:48,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:48,213 INFO L475 AbstractCegarLoop]: Abstraction has 784 states and 1056 transitions. [2019-09-10 02:41:48,213 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:48,213 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1056 transitions. [2019-09-10 02:41:48,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-09-10 02:41:48,218 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:48,218 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:48,219 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:48,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:48,219 INFO L82 PathProgramCache]: Analyzing trace with hash -1474081530, now seen corresponding path program 1 times [2019-09-10 02:41:48,220 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:48,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:48,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:48,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:48,221 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:48,444 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-09-10 02:41:48,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:48,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-10 02:41:48,445 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:48,446 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-10 02:41:48,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-10 02:41:48,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:41:48,447 INFO L87 Difference]: Start difference. First operand 784 states and 1056 transitions. Second operand 4 states. [2019-09-10 02:41:49,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:49,326 INFO L93 Difference]: Finished difference Result 790 states and 1047 transitions. [2019-09-10 02:41:49,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-10 02:41:49,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 198 [2019-09-10 02:41:49,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:49,333 INFO L225 Difference]: With dead ends: 790 [2019-09-10 02:41:49,333 INFO L226 Difference]: Without dead ends: 790 [2019-09-10 02:41:49,335 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-10 02:41:49,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-09-10 02:41:49,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 784. [2019-09-10 02:41:49,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 784 states. [2019-09-10 02:41:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1041 transitions. [2019-09-10 02:41:49,368 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1041 transitions. Word has length 198 [2019-09-10 02:41:49,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:49,368 INFO L475 AbstractCegarLoop]: Abstraction has 784 states and 1041 transitions. [2019-09-10 02:41:49,368 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-10 02:41:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1041 transitions. [2019-09-10 02:41:49,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-09-10 02:41:49,375 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:49,376 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:49,376 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:49,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:49,376 INFO L82 PathProgramCache]: Analyzing trace with hash -193734372, now seen corresponding path program 1 times [2019-09-10 02:41:49,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:49,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:49,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,378 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-10 02:41:49,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:49,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:49,657 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:49,658 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:49,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:49,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:49,659 INFO L87 Difference]: Start difference. First operand 784 states and 1041 transitions. Second operand 3 states. [2019-09-10 02:41:49,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:49,683 INFO L93 Difference]: Finished difference Result 787 states and 1044 transitions. [2019-09-10 02:41:49,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:49,684 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 225 [2019-09-10 02:41:49,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:49,691 INFO L225 Difference]: With dead ends: 787 [2019-09-10 02:41:49,691 INFO L226 Difference]: Without dead ends: 787 [2019-09-10 02:41:49,691 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 02:41:49,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 787 states. [2019-09-10 02:41:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 787 to 786. [2019-09-10 02:41:49,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 786 states. [2019-09-10 02:41:49,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 786 states to 786 states and 1043 transitions. [2019-09-10 02:41:49,717 INFO L78 Accepts]: Start accepts. Automaton has 786 states and 1043 transitions. Word has length 225 [2019-09-10 02:41:49,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:49,718 INFO L475 AbstractCegarLoop]: Abstraction has 786 states and 1043 transitions. [2019-09-10 02:41:49,718 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:49,719 INFO L276 IsEmpty]: Start isEmpty. Operand 786 states and 1043 transitions. [2019-09-10 02:41:49,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2019-09-10 02:41:49,724 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:49,724 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:49,724 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:49,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:49,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1198995616, now seen corresponding path program 1 times [2019-09-10 02:41:49,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:49,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:49,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,727 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:49,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:49,903 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-09-10 02:41:49,903 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:49,903 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:41:49,903 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:49,904 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:41:49,904 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:41:49,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:41:49,904 INFO L87 Difference]: Start difference. First operand 786 states and 1043 transitions. Second operand 3 states. [2019-09-10 02:41:49,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:49,936 INFO L93 Difference]: Finished difference Result 841 states and 1132 transitions. [2019-09-10 02:41:49,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:41:49,937 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2019-09-10 02:41:49,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:49,942 INFO L225 Difference]: With dead ends: 841 [2019-09-10 02:41:49,942 INFO L226 Difference]: Without dead ends: 841 [2019-09-10 02:41:49,943 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 02:41:49,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 841 states. [2019-09-10 02:41:49,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 841 to 840. [2019-09-10 02:41:49,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 840 states. [2019-09-10 02:41:49,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 840 states and 1131 transitions. [2019-09-10 02:41:49,971 INFO L78 Accepts]: Start accepts. Automaton has 840 states and 1131 transitions. Word has length 233 [2019-09-10 02:41:49,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:49,973 INFO L475 AbstractCegarLoop]: Abstraction has 840 states and 1131 transitions. [2019-09-10 02:41:49,973 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:41:49,973 INFO L276 IsEmpty]: Start isEmpty. Operand 840 states and 1131 transitions. [2019-09-10 02:41:49,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2019-09-10 02:41:49,978 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:49,978 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:49,979 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:49,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:49,979 INFO L82 PathProgramCache]: Analyzing trace with hash -814096783, now seen corresponding path program 1 times [2019-09-10 02:41:49,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:49,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,984 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:49,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:49,984 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:50,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:50,232 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-10 02:41:50,233 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:50,233 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-10 02:41:50,233 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:50,234 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-10 02:41:50,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-10 02:41:50,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-10 02:41:50,235 INFO L87 Difference]: Start difference. First operand 840 states and 1131 transitions. Second operand 7 states. [2019-09-10 02:41:55,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:55,340 INFO L93 Difference]: Finished difference Result 1278 states and 1698 transitions. [2019-09-10 02:41:55,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-10 02:41:55,341 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 234 [2019-09-10 02:41:55,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:55,367 INFO L225 Difference]: With dead ends: 1278 [2019-09-10 02:41:55,367 INFO L226 Difference]: Without dead ends: 1274 [2019-09-10 02:41:55,368 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:41:55,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2019-09-10 02:41:55,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1265. [2019-09-10 02:41:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1265 states. [2019-09-10 02:41:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1265 states and 1683 transitions. [2019-09-10 02:41:55,450 INFO L78 Accepts]: Start accepts. Automaton has 1265 states and 1683 transitions. Word has length 234 [2019-09-10 02:41:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:55,455 INFO L475 AbstractCegarLoop]: Abstraction has 1265 states and 1683 transitions. [2019-09-10 02:41:55,455 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-10 02:41:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1265 states and 1683 transitions. [2019-09-10 02:41:55,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-09-10 02:41:55,465 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:55,466 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:55,466 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:55,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:55,467 INFO L82 PathProgramCache]: Analyzing trace with hash -1823344465, now seen corresponding path program 1 times [2019-09-10 02:41:55,467 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:55,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:55,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:55,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:55,469 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:55,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:56,105 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-10 02:41:56,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:56,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2019-09-10 02:41:56,106 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:56,106 INFO L454 AbstractCegarLoop]: Interpolant automaton has 22 states [2019-09-10 02:41:56,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2019-09-10 02:41:56,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2019-09-10 02:41:56,107 INFO L87 Difference]: Start difference. First operand 1265 states and 1683 transitions. Second operand 22 states. [2019-09-10 02:41:56,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:56,997 INFO L93 Difference]: Finished difference Result 1354 states and 1797 transitions. [2019-09-10 02:41:56,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-10 02:41:56,998 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 235 [2019-09-10 02:41:56,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:57,007 INFO L225 Difference]: With dead ends: 1354 [2019-09-10 02:41:57,007 INFO L226 Difference]: Without dead ends: 1342 [2019-09-10 02:41:57,008 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=77, Invalid=853, Unknown=0, NotChecked=0, Total=930 [2019-09-10 02:41:57,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1342 states. [2019-09-10 02:41:57,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1342 to 1340. [2019-09-10 02:41:57,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1340 states. [2019-09-10 02:41:57,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1340 states and 1781 transitions. [2019-09-10 02:41:57,052 INFO L78 Accepts]: Start accepts. Automaton has 1340 states and 1781 transitions. Word has length 235 [2019-09-10 02:41:57,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:57,053 INFO L475 AbstractCegarLoop]: Abstraction has 1340 states and 1781 transitions. [2019-09-10 02:41:57,053 INFO L476 AbstractCegarLoop]: Interpolant automaton has 22 states. [2019-09-10 02:41:57,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1781 transitions. [2019-09-10 02:41:57,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-10 02:41:57,058 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:57,059 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:57,059 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:57,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:57,059 INFO L82 PathProgramCache]: Analyzing trace with hash 1517774566, now seen corresponding path program 1 times [2019-09-10 02:41:57,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:57,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:57,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:57,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:57,061 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-10 02:41:57,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:57,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2019-09-10 02:41:57,527 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:57,528 INFO L454 AbstractCegarLoop]: Interpolant automaton has 24 states [2019-09-10 02:41:57,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2019-09-10 02:41:57,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2019-09-10 02:41:57,529 INFO L87 Difference]: Start difference. First operand 1340 states and 1781 transitions. Second operand 24 states. [2019-09-10 02:41:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:41:58,297 INFO L93 Difference]: Finished difference Result 1436 states and 1912 transitions. [2019-09-10 02:41:58,298 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-09-10 02:41:58,298 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 244 [2019-09-10 02:41:58,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:41:58,311 INFO L225 Difference]: With dead ends: 1436 [2019-09-10 02:41:58,311 INFO L226 Difference]: Without dead ends: 1432 [2019-09-10 02:41:58,313 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=85, Invalid=1037, Unknown=0, NotChecked=0, Total=1122 [2019-09-10 02:41:58,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1432 states. [2019-09-10 02:41:58,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1432 to 1431. [2019-09-10 02:41:58,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1431 states. [2019-09-10 02:41:58,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1431 states and 1905 transitions. [2019-09-10 02:41:58,387 INFO L78 Accepts]: Start accepts. Automaton has 1431 states and 1905 transitions. Word has length 244 [2019-09-10 02:41:58,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:41:58,390 INFO L475 AbstractCegarLoop]: Abstraction has 1431 states and 1905 transitions. [2019-09-10 02:41:58,390 INFO L476 AbstractCegarLoop]: Interpolant automaton has 24 states. [2019-09-10 02:41:58,390 INFO L276 IsEmpty]: Start isEmpty. Operand 1431 states and 1905 transitions. [2019-09-10 02:41:58,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2019-09-10 02:41:58,403 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:41:58,403 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:41:58,404 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:41:58,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:41:58,404 INFO L82 PathProgramCache]: Analyzing trace with hash -1200779726, now seen corresponding path program 1 times [2019-09-10 02:41:58,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:41:58,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:58,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:41:58,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:41:58,408 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:41:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:41:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-09-10 02:41:58,693 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:41:58,693 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-10 02:41:58,693 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:41:58,695 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:41:58,695 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:41:58,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:41:58,695 INFO L87 Difference]: Start difference. First operand 1431 states and 1905 transitions. Second operand 8 states. [2019-09-10 02:42:00,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:42:00,303 INFO L93 Difference]: Finished difference Result 2490 states and 3295 transitions. [2019-09-10 02:42:00,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-10 02:42:00,304 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2019-09-10 02:42:00,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:42:00,323 INFO L225 Difference]: With dead ends: 2490 [2019-09-10 02:42:00,324 INFO L226 Difference]: Without dead ends: 2490 [2019-09-10 02:42:00,324 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-10 02:42:00,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2490 states. [2019-09-10 02:42:00,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2490 to 2467. [2019-09-10 02:42:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2019-09-10 02:42:00,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3272 transitions. [2019-09-10 02:42:00,433 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3272 transitions. Word has length 244 [2019-09-10 02:42:00,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:42:00,434 INFO L475 AbstractCegarLoop]: Abstraction has 2467 states and 3272 transitions. [2019-09-10 02:42:00,434 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:42:00,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3272 transitions. [2019-09-10 02:42:00,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-09-10 02:42:00,441 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:42:00,442 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:00,442 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:42:00,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:42:00,443 INFO L82 PathProgramCache]: Analyzing trace with hash -44557591, now seen corresponding path program 1 times [2019-09-10 02:42:00,443 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:42:00,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:42:00,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:42:00,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:42:00,444 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:42:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:42:01,018 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-09-10 02:42:01,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:42:01,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [] total 21 [2019-09-10 02:42:01,020 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:42:01,021 INFO L454 AbstractCegarLoop]: Interpolant automaton has 21 states [2019-09-10 02:42:01,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2019-09-10 02:42:01,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2019-09-10 02:42:01,022 INFO L87 Difference]: Start difference. First operand 2467 states and 3272 transitions. Second operand 21 states. [2019-09-10 02:42:01,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:42:01,987 INFO L93 Difference]: Finished difference Result 2466 states and 3268 transitions. [2019-09-10 02:42:01,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-10 02:42:01,987 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 245 [2019-09-10 02:42:01,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:42:02,006 INFO L225 Difference]: With dead ends: 2466 [2019-09-10 02:42:02,006 INFO L226 Difference]: Without dead ends: 2466 [2019-09-10 02:42:02,008 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=129, Invalid=1353, Unknown=0, NotChecked=0, Total=1482 [2019-09-10 02:42:02,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2466 states. [2019-09-10 02:42:02,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2466 to 2465. [2019-09-10 02:42:02,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2465 states. [2019-09-10 02:42:02,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2465 states to 2465 states and 3267 transitions. [2019-09-10 02:42:02,087 INFO L78 Accepts]: Start accepts. Automaton has 2465 states and 3267 transitions. Word has length 245 [2019-09-10 02:42:02,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:42:02,088 INFO L475 AbstractCegarLoop]: Abstraction has 2465 states and 3267 transitions. [2019-09-10 02:42:02,088 INFO L476 AbstractCegarLoop]: Interpolant automaton has 21 states. [2019-09-10 02:42:02,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2465 states and 3267 transitions. [2019-09-10 02:42:02,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-09-10 02:42:02,095 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:42:02,095 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:42:02,095 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:42:02,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:42:02,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1352372955, now seen corresponding path program 2 times [2019-09-10 02:42:02,096 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:42:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:42:02,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:42:02,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:42:02,097 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:42:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:42:02,353 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-09-10 02:42:02,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:42:02,354 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:42:02,354 INFO L189 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2019-09-10 02:42:02,356 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2019-09-10 02:42:02,356 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:42:02,356 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-10 02:42:02,380 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2019-09-10 02:42:02,380 INFO L289 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2019-09-10 02:42:02,841 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2019-09-10 02:42:02,842 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-10 02:42:02,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 2403 conjuncts, 10 conjunts are in the unsatisfiable core [2019-09-10 02:42:02,874 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-10 02:42:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-09-10 02:42:03,139 INFO L322 TraceCheckSpWp]: Computing backward predicates... [2019-09-10 02:42:03,848 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Stream closed [2019-09-10 02:42:03,859 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:42:03,859 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [13] total 25 [2019-09-10 02:42:03,860 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:42:03,860 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-10 02:42:03,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-10 02:42:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=542, Unknown=0, NotChecked=0, Total=600 [2019-09-10 02:42:03,861 INFO L87 Difference]: Start difference. First operand 2465 states and 3267 transitions. Second operand 8 states. [2019-09-10 02:42:05,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:42:05,574 INFO L93 Difference]: Finished difference Result 4851 states and 6454 transitions. [2019-09-10 02:42:05,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-10 02:42:05,575 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2019-09-10 02:42:05,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:42:05,606 INFO L225 Difference]: With dead ends: 4851 [2019-09-10 02:42:05,606 INFO L226 Difference]: Without dead ends: 4851 [2019-09-10 02:42:05,607 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 510 GetRequests, 479 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=102, Invalid=828, Unknown=0, NotChecked=0, Total=930 [2019-09-10 02:42:05,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4851 states. [2019-09-10 02:42:05,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4851 to 4832. [2019-09-10 02:42:05,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4832 states. [2019-09-10 02:42:05,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4832 states to 4832 states and 6436 transitions. [2019-09-10 02:42:05,803 INFO L78 Accepts]: Start accepts. Automaton has 4832 states and 6436 transitions. Word has length 245 [2019-09-10 02:42:05,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:42:05,804 INFO L475 AbstractCegarLoop]: Abstraction has 4832 states and 6436 transitions. [2019-09-10 02:42:05,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-10 02:42:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 6436 transitions. [2019-09-10 02:42:05,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-09-10 02:42:05,884 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:42:05,884 INFO L399 BasicCegarLoop]: trace histogram [8, 8, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:42:05,885 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:42:05,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:42:05,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1739699154, now seen corresponding path program 1 times [2019-09-10 02:42:05,886 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:42:05,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:42:05,887 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-10 02:42:05,887 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:42:05,887 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:42:05,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:42:06,181 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-09-10 02:42:06,181 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:42:06,181 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:42:06,182 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2019-09-10 02:42:06,185 INFO L207 CegarAbsIntRunner]: [59], [62], [63], [66], [72], [73], [76], [85], [93], [95], [103], [108], [132], [161], [164], [168], [170], [172], [174], [176], [178], [180], [182], [184], [185], [186], [189], [307], [310], [311], [366], [368], [369], [372], [381], [402], [405], [415], [491], [493], [685], [686], [744], [747], [761], [792], [795], [801], [802], [809], [812], [821], [830], [841], [844], [850], [853], [859], [862], [866], [888], [889], [900], [902], [906], [909], [933], [937], [940], [948], [951], [955], [956], [961], [964], [967], [984], [987], [1012], [1021], [1025], [1027], [1029], [1032], [1045], [1052], [1055], [1061], [1063], [1332], [1334], [1337], [1339], [1342], [1427], [1481], [1484], [1507], [1511], [1512], [1541], [1544], [1548], [1627], [1629], [1722], [1724], [1753], [1756], [1758], [1761], [1770], [1779], [1782], [1791], [1807], [1810], [1819], [1869], [1870], [1993], [1995], [1997], [1999], [2000], [2020], [2021], [2030], [2038], [2048], [2049], [2052], [2053], [2054], [2055], [2056], [2057], [2058], [2059], [2060], [2061], [2062], [2063], [2064], [2065], [2066], [2067], [2068], [2069], [2070], [2071], [2078], [2079], [2080], [2081], [2108], [2109], [2142], [2143], [2144], [2145], [2146], [2192], [2198], [2199], [2200], [2201], [2202], [2203], [2204], [2205], [2206], [2207], [2208], [2209], [2210], [2211], [2212], [2214], [2215], [2220], [2222], [2223], [2224], [2225], [2240], [2241], [2242], [2243], [2272], [2276], [2277], [2278], [2279], [2280], [2296], [2300], [2301], [2302], [2316], [2317], [2340], [2341], [2342], [2344], [2345], [2372], [2373], [2374], [2375], [2376], [2377], [2378], [2379], [2380] [2019-09-10 02:42:06,244 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:42:06,244 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:42:06,371 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:42:06,373 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 204 root evaluator evaluations with a maximum evaluation depth of 0. Performed 204 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 382 variables. [2019-09-10 02:42:06,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:42:06,378 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:42:06,452 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:42:06,452 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:42:06,458 INFO L420 sIntCurrentIteration]: We unified 245 AI predicates to 245 [2019-09-10 02:42:06,458 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:42:06,459 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:42:06,459 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-10 02:42:06,460 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:42:06,460 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:42:06,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:42:06,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:42:06,461 INFO L87 Difference]: Start difference. First operand 4832 states and 6436 transitions. Second operand 2 states. [2019-09-10 02:42:06,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:42:06,462 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:42:06,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:42:06,462 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 246 [2019-09-10 02:42:06,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:42:06,463 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:42:06,463 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:42:06,463 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 245 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 02:42:06,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:42:06,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:42:06,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:42:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:42:06,464 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2019-09-10 02:42:06,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:42:06,465 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:42:06,465 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:42:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:42:06,465 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:42:06,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:42:06 BoogieIcfgContainer [2019-09-10 02:42:06,470 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:42:06,473 INFO L168 Benchmark]: Toolchain (without parser) took 25349.98 ms. Allocated memory was 134.7 MB in the beginning and 693.6 MB in the end (delta: 558.9 MB). Free memory was 85.0 MB in the beginning and 456.1 MB in the end (delta: -371.1 MB). Peak memory consumption was 187.8 MB. Max. memory is 7.1 GB. [2019-09-10 02:42:06,474 INFO L168 Benchmark]: CDTParser took 1.13 ms. Allocated memory is still 134.7 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 02:42:06,475 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1270.21 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 84.6 MB in the beginning and 106.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:42:06,476 INFO L168 Benchmark]: Boogie Preprocessor took 219.66 ms. Allocated memory is still 202.4 MB. Free memory was 106.4 MB in the beginning and 96.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:42:06,477 INFO L168 Benchmark]: RCFGBuilder took 2528.37 ms. Allocated memory was 202.4 MB in the beginning and 265.3 MB in the end (delta: 62.9 MB). Free memory was 96.5 MB in the beginning and 101.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. [2019-09-10 02:42:06,478 INFO L168 Benchmark]: TraceAbstraction took 21326.02 ms. Allocated memory was 265.3 MB in the beginning and 693.6 MB in the end (delta: 428.3 MB). Free memory was 101.9 MB in the beginning and 456.1 MB in the end (delta: -354.3 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. [2019-09-10 02:42:06,482 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.13 ms. Allocated memory is still 134.7 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 1270.21 ms. Allocated memory was 134.7 MB in the beginning and 202.4 MB in the end (delta: 67.6 MB). Free memory was 84.6 MB in the beginning and 106.4 MB in the end (delta: -21.8 MB). Peak memory consumption was 51.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 219.66 ms. Allocated memory is still 202.4 MB. Free memory was 106.4 MB in the beginning and 96.5 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2528.37 ms. Allocated memory was 202.4 MB in the beginning and 265.3 MB in the end (delta: 62.9 MB). Free memory was 96.5 MB in the beginning and 101.9 MB in the end (delta: -5.4 MB). Peak memory consumption was 57.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21326.02 ms. Allocated memory was 265.3 MB in the beginning and 693.6 MB in the end (delta: 428.3 MB). Free memory was 101.9 MB in the beginning and 456.1 MB in the end (delta: -354.3 MB). Peak memory consumption was 74.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 933]: 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 135 procedures, 970 locations, 1 error locations. SAFE Result, 21.2s OverallTime, 13 OverallIterations, 8 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13003 SDtfs, 7162 SDslu, 83349 SDs, 0 SdLazy, 8260 SolverSat, 842 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 919 GetRequests, 756 SyntacticMatches, 2 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 2.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4832occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 1.8204081632653062 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 13 MinimizatonAttempts, 63 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 3149 NumberOfCodeBlocks, 3002 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3379 ConstructedInterpolants, 0 QuantifiedInterpolants, 1035321 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2403 ConjunctsInSsa, 10 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 1698/1704 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...