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_spec8_product15.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:55:19,507 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:55:19,510 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:55:19,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:55:19,528 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:55:19,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:55:19,531 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:55:19,533 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:55:19,534 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:55:19,535 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:55:19,536 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:55:19,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:55:19,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:55:19,539 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:55:19,540 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:55:19,541 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:55:19,542 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:55:19,543 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:55:19,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:55:19,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:55:19,549 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:55:19,550 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:55:19,551 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:55:19,552 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:55:19,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:55:19,555 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:55:19,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:55:19,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:55:19,557 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:55:19,558 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:55:19,558 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:55:19,559 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:55:19,560 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:55:19,561 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:55:19,562 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:55:19,562 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:55:19,563 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:55:19,563 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:55:19,563 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:55:19,564 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:55:19,565 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:55:19,566 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 02:55:19,585 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:55:19,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:55:19,586 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:55:19,586 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:55:19,587 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:55:19,587 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:55:19,587 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:55:19,588 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:55:19,588 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:55:19,588 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:55:19,591 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:55:19,591 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:55:19,592 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:55:19,592 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:55:19,592 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:55:19,592 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:55:19,593 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:55:19,593 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:55:19,593 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:55:19,593 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:55:19,593 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:55:19,594 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:55:19,594 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:55:19,594 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:19,594 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:55:19,595 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:55:19,595 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:55:19,595 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:55:19,595 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:55:19,595 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:55:19,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:55:19,643 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:55:19,650 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:55:19,653 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:55:19,654 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:55:19,655 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec8_product15.cil.c [2019-10-03 02:55:19,733 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76534ac1b/d349fe132b7d4584a05c7760340fbf54/FLAGf7e81a3c0 [2019-10-03 02:55:20,399 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:55:20,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec8_product15.cil.c [2019-10-03 02:55:20,428 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76534ac1b/d349fe132b7d4584a05c7760340fbf54/FLAGf7e81a3c0 [2019-10-03 02:55:20,543 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/76534ac1b/d349fe132b7d4584a05c7760340fbf54 [2019-10-03 02:55:20,557 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:55:20,559 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:55:20,560 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:20,560 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:55:20,565 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:55:20,566 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:20" (1/1) ... [2019-10-03 02:55:20,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19ddc21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:20, skipping insertion in model container [2019-10-03 02:55:20,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:55:20" (1/1) ... [2019-10-03 02:55:20,578 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:55:20,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:55:21,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:21,603 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:55:21,755 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:55:21,847 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:55:21,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21 WrapperNode [2019-10-03 02:55:21,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:55:21,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:55:21,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:55:21,849 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:55:21,863 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:21,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:21,901 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:21,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:21,978 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:21,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:22,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... [2019-10-03 02:55:22,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:55:22,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:55:22,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:55:22,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:55:22,028 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:55:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:55:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:55:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:55:22,115 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:55:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:55:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:55:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:55:22,116 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:55:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:55:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:55:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:55:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:55:22,117 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:55:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:55:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:55:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:55:22,118 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:55:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:55:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:55:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:55:22,119 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:55:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:55:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:55:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:55:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:55:22,120 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:55:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:55:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AutoResponder [2019-10-03 02:55:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:55:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:55:22,121 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:55:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:55:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:55:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:55:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:55:22,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:55:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:55:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-03 02:55:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:55:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:55:22,123 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:55:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:55:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:55:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:55:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:55:22,124 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:55:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:55:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:55:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:55:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:55:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:55:22,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:55:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:55:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:55:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:55:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:55:22,126 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:55:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:55:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:55:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:55:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:55:22,127 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:55:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:55:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:55:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:55:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:55:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:55:22,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:55:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:55:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:55:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:22,129 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:55:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:55:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:55:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:55:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:55:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:55:22,130 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:55:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:55:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:55:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:55:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:55:22,131 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:55:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:55:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:55:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-03 02:55:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:22,132 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:55:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:55:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:55:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:55:22,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:55:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:55:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:55:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:55:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:55:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:22,134 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:55:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:55:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:55:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:55:22,135 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:55:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:55:22,136 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:55:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:55:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:55:22,136 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:55:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:55:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:55:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:55:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:55:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:55:22,137 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:55:22,138 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:55:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:55:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:55:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:55:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:55:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:55:22,139 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:55:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:55:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:55:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:55:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:55:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:55:22,140 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:55:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:55:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:55:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:55:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:55:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:55:22,141 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:55:22,142 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__2 [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:55:22,143 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AutoResponder [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptAutoResponder_spec__1 [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:55:22,144 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:55:22,145 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:55:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:55:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:55:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:55:22,149 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:55:22,150 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:55:22,151 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:55:22,152 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:55:22,153 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:55:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:55:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:55:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:55:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:55:22,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:55:24,081 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:55:24,081 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:55:24,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:24 BoogieIcfgContainer [2019-10-03 02:55:24,083 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:55:24,085 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:55:24,085 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:55:24,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:55:24,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:55:20" (1/3) ... [2019-10-03 02:55:24,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c26193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:24, skipping insertion in model container [2019-10-03 02:55:24,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:55:21" (2/3) ... [2019-10-03 02:55:24,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20c26193 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:55:24, skipping insertion in model container [2019-10-03 02:55:24,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:55:24" (3/3) ... [2019-10-03 02:55:24,092 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec8_product15.cil.c [2019-10-03 02:55:24,102 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:55:24,115 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:55:24,133 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:55:24,164 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:55:24,165 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:55:24,165 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:55:24,165 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:55:24,165 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:55:24,165 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:55:24,165 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:55:24,166 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:55:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states. [2019-10-03 02:55:24,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:55:24,252 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:24,254 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:24,258 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:24,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:24,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1184146621, now seen corresponding path program 1 times [2019-10-03 02:55:24,268 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:24,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:24,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:24,353 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:24,354 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:24,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:24,905 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:24,907 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:24,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:55:24,908 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:24,914 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:24,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:24,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:24,933 INFO L87 Difference]: Start difference. First operand 470 states. Second operand 2 states. [2019-10-03 02:55:24,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:24,982 INFO L93 Difference]: Finished difference Result 432 states and 575 transitions. [2019-10-03 02:55:24,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:24,984 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:55:24,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:25,004 INFO L225 Difference]: With dead ends: 432 [2019-10-03 02:55:25,005 INFO L226 Difference]: Without dead ends: 423 [2019-10-03 02:55:25,007 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:25,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2019-10-03 02:55:25,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 423. [2019-10-03 02:55:25,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 423 states. [2019-10-03 02:55:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 423 states and 564 transitions. [2019-10-03 02:55:25,100 INFO L78 Accepts]: Start accepts. Automaton has 423 states and 564 transitions. Word has length 145 [2019-10-03 02:55:25,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:25,102 INFO L475 AbstractCegarLoop]: Abstraction has 423 states and 564 transitions. [2019-10-03 02:55:25,102 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:25,103 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 564 transitions. [2019-10-03 02:55:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:55:25,108 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:25,109 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:25,109 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:25,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:25,110 INFO L82 PathProgramCache]: Analyzing trace with hash -723770535, now seen corresponding path program 1 times [2019-10-03 02:55:25,110 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:25,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:25,116 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:25,116 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:25,117 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:25,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:25,370 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:25,371 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:25,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:25,371 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:25,374 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:25,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:25,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:25,375 INFO L87 Difference]: Start difference. First operand 423 states and 564 transitions. Second operand 3 states. [2019-10-03 02:55:25,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:25,436 INFO L93 Difference]: Finished difference Result 426 states and 567 transitions. [2019-10-03 02:55:25,439 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:25,439 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:55:25,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:25,447 INFO L225 Difference]: With dead ends: 426 [2019-10-03 02:55:25,447 INFO L226 Difference]: Without dead ends: 426 [2019-10-03 02:55:25,450 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:25,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-03 02:55:25,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 425. [2019-10-03 02:55:25,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-10-03 02:55:25,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 566 transitions. [2019-10-03 02:55:25,482 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 566 transitions. Word has length 146 [2019-10-03 02:55:25,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:25,483 INFO L475 AbstractCegarLoop]: Abstraction has 425 states and 566 transitions. [2019-10-03 02:55:25,483 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:25,483 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 566 transitions. [2019-10-03 02:55:25,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-03 02:55:25,486 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:25,487 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:25,487 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:25,488 INFO L82 PathProgramCache]: Analyzing trace with hash -203920503, now seen corresponding path program 1 times [2019-10-03 02:55:25,488 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:25,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:25,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:25,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:25,493 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:25,706 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:25,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:25,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:25,707 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:25,707 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:25,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:25,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:25,708 INFO L87 Difference]: Start difference. First operand 425 states and 566 transitions. Second operand 3 states. [2019-10-03 02:55:25,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:25,731 INFO L93 Difference]: Finished difference Result 466 states and 636 transitions. [2019-10-03 02:55:25,731 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:25,731 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-03 02:55:25,732 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:25,735 INFO L225 Difference]: With dead ends: 466 [2019-10-03 02:55:25,736 INFO L226 Difference]: Without dead ends: 466 [2019-10-03 02:55:25,736 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:25,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2019-10-03 02:55:25,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 465. [2019-10-03 02:55:25,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2019-10-03 02:55:25,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 635 transitions. [2019-10-03 02:55:25,771 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 635 transitions. Word has length 156 [2019-10-03 02:55:25,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:25,772 INFO L475 AbstractCegarLoop]: Abstraction has 465 states and 635 transitions. [2019-10-03 02:55:25,773 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:25,773 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 635 transitions. [2019-10-03 02:55:25,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-03 02:55:25,780 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:25,780 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:25,781 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:25,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:25,781 INFO L82 PathProgramCache]: Analyzing trace with hash 203801419, now seen corresponding path program 1 times [2019-10-03 02:55:25,781 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:25,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:25,790 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:25,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:25,790 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:25,988 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:25,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:25,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:25,992 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:25,993 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:25,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:25,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:25,994 INFO L87 Difference]: Start difference. First operand 465 states and 635 transitions. Second operand 3 states. [2019-10-03 02:55:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:26,026 INFO L93 Difference]: Finished difference Result 543 states and 768 transitions. [2019-10-03 02:55:26,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:26,026 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-03 02:55:26,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:26,031 INFO L225 Difference]: With dead ends: 543 [2019-10-03 02:55:26,031 INFO L226 Difference]: Without dead ends: 543 [2019-10-03 02:55:26,032 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2019-10-03 02:55:26,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 542. [2019-10-03 02:55:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 542 states. [2019-10-03 02:55:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 542 states and 767 transitions. [2019-10-03 02:55:26,062 INFO L78 Accepts]: Start accepts. Automaton has 542 states and 767 transitions. Word has length 157 [2019-10-03 02:55:26,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:26,063 INFO L475 AbstractCegarLoop]: Abstraction has 542 states and 767 transitions. [2019-10-03 02:55:26,064 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:26,064 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 767 transitions. [2019-10-03 02:55:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-10-03 02:55:26,075 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:26,075 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:26,076 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:26,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:26,076 INFO L82 PathProgramCache]: Analyzing trace with hash -1434303959, now seen corresponding path program 1 times [2019-10-03 02:55:26,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:26,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:26,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,083 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:26,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:26,347 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:26,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:26,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:26,348 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:26,349 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:26,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:26,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,350 INFO L87 Difference]: Start difference. First operand 542 states and 767 transitions. Second operand 3 states. [2019-10-03 02:55:26,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:26,394 INFO L93 Difference]: Finished difference Result 691 states and 1020 transitions. [2019-10-03 02:55:26,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:26,395 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 158 [2019-10-03 02:55:26,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:26,406 INFO L225 Difference]: With dead ends: 691 [2019-10-03 02:55:26,406 INFO L226 Difference]: Without dead ends: 691 [2019-10-03 02:55:26,407 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-03 02:55:26,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 690. [2019-10-03 02:55:26,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2019-10-03 02:55:26,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1019 transitions. [2019-10-03 02:55:26,458 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1019 transitions. Word has length 158 [2019-10-03 02:55:26,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:26,459 INFO L475 AbstractCegarLoop]: Abstraction has 690 states and 1019 transitions. [2019-10-03 02:55:26,459 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1019 transitions. [2019-10-03 02:55:26,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-03 02:55:26,467 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:26,467 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:26,468 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:26,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:26,469 INFO L82 PathProgramCache]: Analyzing trace with hash 2050061483, now seen corresponding path program 1 times [2019-10-03 02:55:26,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:26,475 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,475 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:26,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,476 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:26,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:26,639 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:26,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:26,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:26,639 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:26,640 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:26,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:26,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,641 INFO L87 Difference]: Start difference. First operand 690 states and 1019 transitions. Second operand 3 states. [2019-10-03 02:55:26,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:26,669 INFO L93 Difference]: Finished difference Result 975 states and 1500 transitions. [2019-10-03 02:55:26,670 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:26,670 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2019-10-03 02:55:26,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:26,678 INFO L225 Difference]: With dead ends: 975 [2019-10-03 02:55:26,678 INFO L226 Difference]: Without dead ends: 975 [2019-10-03 02:55:26,679 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2019-10-03 02:55:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 974. [2019-10-03 02:55:26,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 974 states. [2019-10-03 02:55:26,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1499 transitions. [2019-10-03 02:55:26,716 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1499 transitions. Word has length 159 [2019-10-03 02:55:26,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:26,719 INFO L475 AbstractCegarLoop]: Abstraction has 974 states and 1499 transitions. [2019-10-03 02:55:26,719 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:26,719 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1499 transitions. [2019-10-03 02:55:26,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-03 02:55:26,725 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:26,725 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:26,725 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:26,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:26,726 INFO L82 PathProgramCache]: Analyzing trace with hash 978028745, now seen corresponding path program 1 times [2019-10-03 02:55:26,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:26,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:26,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:26,732 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:26,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:26,882 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-10-03 02:55:26,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:26,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:55:26,883 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:26,884 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:55:26,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:55:26,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,885 INFO L87 Difference]: Start difference. First operand 974 states and 1499 transitions. Second operand 3 states. [2019-10-03 02:55:26,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:26,915 INFO L93 Difference]: Finished difference Result 1519 states and 2412 transitions. [2019-10-03 02:55:26,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:55:26,916 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-03 02:55:26,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:26,926 INFO L225 Difference]: With dead ends: 1519 [2019-10-03 02:55:26,927 INFO L226 Difference]: Without dead ends: 1519 [2019-10-03 02:55:26,927 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:55:26,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1519 states. [2019-10-03 02:55:26,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1519 to 1518. [2019-10-03 02:55:26,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1518 states. [2019-10-03 02:55:27,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1518 states to 1518 states and 2411 transitions. [2019-10-03 02:55:27,039 INFO L78 Accepts]: Start accepts. Automaton has 1518 states and 2411 transitions. Word has length 160 [2019-10-03 02:55:27,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:27,040 INFO L475 AbstractCegarLoop]: Abstraction has 1518 states and 2411 transitions. [2019-10-03 02:55:27,040 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:55:27,040 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2411 transitions. [2019-10-03 02:55:27,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:55:27,047 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:27,048 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:27,048 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:27,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:27,048 INFO L82 PathProgramCache]: Analyzing trace with hash -588079097, now seen corresponding path program 1 times [2019-10-03 02:55:27,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:27,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:27,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:27,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:27,054 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:28,177 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-03 02:55:28,177 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:55:28,178 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [35] imperfect sequences [] total 35 [2019-10-03 02:55:28,178 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:28,178 INFO L454 AbstractCegarLoop]: Interpolant automaton has 35 states [2019-10-03 02:55:28,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2019-10-03 02:55:28,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1105, Unknown=0, NotChecked=0, Total=1190 [2019-10-03 02:55:28,180 INFO L87 Difference]: Start difference. First operand 1518 states and 2411 transitions. Second operand 35 states. [2019-10-03 02:55:33,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:33,919 INFO L93 Difference]: Finished difference Result 3019 states and 4921 transitions. [2019-10-03 02:55:33,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2019-10-03 02:55:33,920 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 162 [2019-10-03 02:55:33,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:33,948 INFO L225 Difference]: With dead ends: 3019 [2019-10-03 02:55:33,948 INFO L226 Difference]: Without dead ends: 3010 [2019-10-03 02:55:33,951 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=298, Invalid=4124, Unknown=0, NotChecked=0, Total=4422 [2019-10-03 02:55:33,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3010 states. [2019-10-03 02:55:34,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3010 to 2794. [2019-10-03 02:55:34,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2794 states. [2019-10-03 02:55:34,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2794 states to 2794 states and 4641 transitions. [2019-10-03 02:55:34,063 INFO L78 Accepts]: Start accepts. Automaton has 2794 states and 4641 transitions. Word has length 162 [2019-10-03 02:55:34,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:34,063 INFO L475 AbstractCegarLoop]: Abstraction has 2794 states and 4641 transitions. [2019-10-03 02:55:34,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 35 states. [2019-10-03 02:55:34,064 INFO L276 IsEmpty]: Start isEmpty. Operand 2794 states and 4641 transitions. [2019-10-03 02:55:34,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-10-03 02:55:34,077 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:55:34,077 INFO L411 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-03 02:55:34,078 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:55:34,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:34,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1816996145, now seen corresponding path program 1 times [2019-10-03 02:55:34,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:55:34,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:34,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:55:34,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:55:34,083 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:55:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:55:34,881 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-03 02:55:34,881 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:55:34,881 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:55:34,882 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2019-10-03 02:55:34,885 INFO L207 CegarAbsIntRunner]: [110], [139], [142], [143], [144], [146], [256], [258], [262], [265], [266], [267], [270], [276], [303], [306], [315], [336], [338], [339], [342], [352], [383], [386], [388], [393], [588], [590], [591], [592], [628], [631], [633], [636], [645], [684], [691], [692], [726], [730], [733], [741], [744], [809], [818], [822], [824], [826], [829], [836], [843], [850], [857], [864], [871], [878], [885], [892], [899], [902], [1107], [1161], [1163], [1165], [1172], [1194], [1217], [1220], [1221], [1224], [1227], [1258], [1259], [1261], [1330], [1333], [1339], [1374], [1377], [1391], [1399], [1402], [1411], [1600], [1602], [1604], [1606], [1607], [1629], [1639], [1640], [1641], [1642], [1643], [1644], [1647], [1648], [1649], [1650], [1651], [1653], [1654], [1655], [1656], [1673], [1674], [1681], [1682], [1683], [1703], [1704], [1717], [1723], [1724], [1725], [1726], [1727], [1728], [1729], [1730], [1731], [1733], [1734], [1735], [1736], [1787], [1789], [1790], [1791], [1792], [1797], [1805], [1806], [1807], [1808], [1809], [1810], [1811], [1825], [1826], [1827], [1828], [1829], [1830], [1831], [1832], [1833] [2019-10-03 02:55:34,942 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:55:34,942 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:55:35,218 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:55:35,220 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 229 root evaluator evaluations with a maximum evaluation depth of 0. Performed 229 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 374 variables. [2019-10-03 02:55:35,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:55:35,226 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:55:35,349 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:55:35,350 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:55:35,357 INFO L420 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2019-10-03 02:55:35,357 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:55:35,358 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:55:35,358 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [31] total 31 [2019-10-03 02:55:35,358 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:55:35,359 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:55:35,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:55:35,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:35,359 INFO L87 Difference]: Start difference. First operand 2794 states and 4641 transitions. Second operand 2 states. [2019-10-03 02:55:35,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:55:35,360 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:55:35,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:55:35,360 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 162 [2019-10-03 02:55:35,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:55:35,361 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:55:35,361 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:55:35,361 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:55:35,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:55:35,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:55:35,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:55:35,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:55:35,362 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 162 [2019-10-03 02:55:35,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:55:35,362 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:55:35,362 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:55:35,362 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:55:35,363 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:55:35,368 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:55:35 BoogieIcfgContainer [2019-10-03 02:55:35,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:55:35,371 INFO L168 Benchmark]: Toolchain (without parser) took 14811.90 ms. Allocated memory was 138.4 MB in the beginning and 494.9 MB in the end (delta: 356.5 MB). Free memory was 83.4 MB in the beginning and 324.4 MB in the end (delta: -241.0 MB). Peak memory consumption was 115.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:35,372 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:55:35,373 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1288.13 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 83.2 MB in the beginning and 136.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:35,374 INFO L168 Benchmark]: Boogie Preprocessor took 176.73 ms. Allocated memory is still 200.8 MB. Free memory was 136.8 MB in the beginning and 128.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:35,375 INFO L168 Benchmark]: RCFGBuilder took 2057.45 ms. Allocated memory was 200.8 MB in the beginning and 270.5 MB in the end (delta: 69.7 MB). Free memory was 128.0 MB in the beginning and 181.4 MB in the end (delta: -53.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:35,376 INFO L168 Benchmark]: TraceAbstraction took 11283.85 ms. Allocated memory was 270.5 MB in the beginning and 494.9 MB in the end (delta: 224.4 MB). Free memory was 181.4 MB in the beginning and 324.4 MB in the end (delta: -143.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2019-10-03 02:55:35,380 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1288.13 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 83.2 MB in the beginning and 136.8 MB in the end (delta: -53.6 MB). Peak memory consumption was 29.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 176.73 ms. Allocated memory is still 200.8 MB. Free memory was 136.8 MB in the beginning and 128.0 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2057.45 ms. Allocated memory was 200.8 MB in the beginning and 270.5 MB in the end (delta: 69.7 MB). Free memory was 128.0 MB in the beginning and 181.4 MB in the end (delta: -53.5 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11283.85 ms. Allocated memory was 270.5 MB in the beginning and 494.9 MB in the end (delta: 224.4 MB). Free memory was 181.4 MB in the beginning and 324.4 MB in the end (delta: -143.0 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 2150]: 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 110 procedures, 745 locations, 1 error locations. SAFE Result, 11.2s OverallTime, 9 OverallIterations, 3 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 4681 SDtfs, 1595 SDslu, 20050 SDs, 0 SdLazy, 3466 SolverSat, 381 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 256 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 712 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2794occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.3167701863354035 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 222 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1405 NumberOfCodeBlocks, 1405 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1396 ConstructedInterpolants, 0 QuantifiedInterpolants, 320842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 263/266 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...