java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 02:51:16,367 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 02:51:16,372 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 02:51:16,385 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 02:51:16,385 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 02:51:16,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 02:51:16,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 02:51:16,392 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 02:51:16,395 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 02:51:16,402 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 02:51:16,403 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 02:51:16,405 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 02:51:16,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 02:51:16,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 02:51:16,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 02:51:16,412 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 02:51:16,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 02:51:16,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 02:51:16,417 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 02:51:16,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 02:51:16,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 02:51:16,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 02:51:16,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 02:51:16,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 02:51:16,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-03 02:51:16,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-03 02:51:16,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-03 02:51:16,435 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-03 02:51:16,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-03 02:51:16,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-03 02:51:16,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 02:51:16,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 02:51:16,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 02:51:16,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 02:51:16,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 02:51:16,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 02:51:16,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 02:51:16,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 02:51:16,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 02:51:16,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 02:51:16,449 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 02:51:16,450 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 02:51:16,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 02:51:16,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 02:51:16,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 02:51:16,475 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 02:51:16,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 02:51:16,475 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 02:51:16,476 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 02:51:16,476 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 02:51:16,476 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 02:51:16,476 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 02:51:16,478 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 02:51:16,478 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 02:51:16,479 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 02:51:16,479 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 02:51:16,479 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 02:51:16,479 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 02:51:16,480 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 02:51:16,480 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 02:51:16,480 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 02:51:16,480 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 02:51:16,480 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 02:51:16,481 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 02:51:16,481 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 02:51:16,481 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 02:51:16,481 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 02:51:16,482 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 02:51:16,482 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 02:51:16,482 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 02:51:16,482 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 02:51:16,482 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 02:51:16,539 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 02:51:16,557 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 02:51:16,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 02:51:16,564 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 02:51:16,565 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 02:51:16,566 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2019-10-03 02:51:16,641 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edf944b4/fe65c762873747929c3dde82cd6a1558/FLAGbfafd69a5 [2019-10-03 02:51:17,305 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 02:51:17,306 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product16.cil.c [2019-10-03 02:51:17,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edf944b4/fe65c762873747929c3dde82cd6a1558/FLAGbfafd69a5 [2019-10-03 02:51:17,488 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2edf944b4/fe65c762873747929c3dde82cd6a1558 [2019-10-03 02:51:17,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 02:51:17,502 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 02:51:17,503 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:17,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 02:51:17,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 02:51:17,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21620fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:17, skipping insertion in model container [2019-10-03 02:51:17,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 02:51:17" (1/1) ... [2019-10-03 02:51:17,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 02:51:17,597 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 02:51:18,345 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:18,377 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 02:51:18,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 02:51:18,614 INFO L192 MainTranslator]: Completed translation [2019-10-03 02:51:18,615 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18 WrapperNode [2019-10-03 02:51:18,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 02:51:18,616 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 02:51:18,616 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 02:51:18,616 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 02:51:18,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,735 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,773 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (1/1) ... [2019-10-03 02:51:18,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 02:51:18,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 02:51:18,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 02:51:18,808 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 02:51:18,811 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (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 02:51:18,873 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 02:51:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 02:51:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-03 02:51:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-03 02:51:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-03 02:51:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-03 02:51:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-03 02:51:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-03 02:51:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-03 02:51:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-03 02:51:18,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-03 02:51:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-03 02:51:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-03 02:51:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-03 02:51:18,876 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-03 02:51:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-03 02:51:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-03 02:51:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-03 02:51:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-03 02:51:18,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-03 02:51:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-03 02:51:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-03 02:51:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-03 02:51:18,878 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-03 02:51:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-03 02:51:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-03 02:51:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-03 02:51:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-03 02:51:18,879 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-03 02:51:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-03 02:51:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-03 02:51:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-03 02:51:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-03 02:51:18,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-03 02:51:18,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-03 02:51:18,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-03 02:51:18,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:18,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-03 02:51:18,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-03 02:51:18,886 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-03 02:51:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-03 02:51:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-03 02:51:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-03 02:51:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-03 02:51:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-03 02:51:18,887 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-03 02:51:18,888 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-03 02:51:18,889 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-03 02:51:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-03 02:51:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-03 02:51:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-03 02:51:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-03 02:51:18,890 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-03 02:51:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 02:51:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 02:51:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-03 02:51:18,890 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-03 02:51:18,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-03 02:51:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-03 02:51:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-03 02:51:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-03 02:51:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-03 02:51:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-03 02:51:18,892 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-03 02:51:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-03 02:51:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-03 02:51:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-03 02:51:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-03 02:51:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-03 02:51:18,893 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-03 02:51:18,894 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-03 02:51:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-03 02:51:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-03 02:51:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-03 02:51:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-03 02:51:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-03 02:51:18,895 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-03 02:51:18,896 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-03 02:51:18,897 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-03 02:51:18,898 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-03 02:51:18,899 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 02:51:18,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-03 02:51:18,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-03 02:51:18,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-03 02:51:18,903 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-03 02:51:18,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-03 02:51:18,905 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-03 02:51:18,906 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-03 02:51:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-03 02:51:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-03 02:51:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-03 02:51:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-03 02:51:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-03 02:51:18,907 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-03 02:51:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-03 02:51:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-03 02:51:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 02:51:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 02:51:18,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 02:51:20,970 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 02:51:20,971 INFO L283 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-03 02:51:20,972 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:20 BoogieIcfgContainer [2019-10-03 02:51:20,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 02:51:20,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-03 02:51:20,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-03 02:51:20,979 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-03 02:51:20,980 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.10 02:51:17" (1/3) ... [2019-10-03 02:51:20,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9986dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:20, skipping insertion in model container [2019-10-03 02:51:20,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 02:51:18" (2/3) ... [2019-10-03 02:51:20,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9986dde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.10 02:51:20, skipping insertion in model container [2019-10-03 02:51:20,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 02:51:20" (3/3) ... [2019-10-03 02:51:20,984 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product16.cil.c [2019-10-03 02:51:20,995 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-03 02:51:21,007 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-03 02:51:21,025 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-03 02:51:21,055 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-10-03 02:51:21,055 INFO L378 AbstractCegarLoop]: Hoare is false [2019-10-03 02:51:21,055 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-03 02:51:21,055 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-03 02:51:21,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-03 02:51:21,055 INFO L382 AbstractCegarLoop]: Difference is false [2019-10-03 02:51:21,056 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-03 02:51:21,056 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-03 02:51:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states. [2019-10-03 02:51:21,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-03 02:51:21,132 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:21,133 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 02:51:21,136 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:21,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:21,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1028752379, now seen corresponding path program 1 times [2019-10-03 02:51:21,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:21,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:21,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:21,207 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:21,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:21,773 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 02:51:21,775 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:21,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-03 02:51:21,776 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:21,782 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:21,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:21,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:21,801 INFO L87 Difference]: Start difference. First operand 476 states. Second operand 2 states. [2019-10-03 02:51:21,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:21,868 INFO L93 Difference]: Finished difference Result 462 states and 612 transitions. [2019-10-03 02:51:21,868 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:21,870 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-10-03 02:51:21,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:21,892 INFO L225 Difference]: With dead ends: 462 [2019-10-03 02:51:21,892 INFO L226 Difference]: Without dead ends: 453 [2019-10-03 02:51:21,894 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 02:51:21,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2019-10-03 02:51:21,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 453. [2019-10-03 02:51:21,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 453 states. [2019-10-03 02:51:21,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 453 states and 601 transitions. [2019-10-03 02:51:21,989 INFO L78 Accepts]: Start accepts. Automaton has 453 states and 601 transitions. Word has length 145 [2019-10-03 02:51:21,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:21,992 INFO L475 AbstractCegarLoop]: Abstraction has 453 states and 601 transitions. [2019-10-03 02:51:21,992 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:21,992 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 601 transitions. [2019-10-03 02:51:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-10-03 02:51:21,996 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:21,997 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 02:51:21,997 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:21,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:21,998 INFO L82 PathProgramCache]: Analyzing trace with hash -711556920, now seen corresponding path program 1 times [2019-10-03 02:51:21,998 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:22,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:22,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,004 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:22,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:22,329 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 02:51:22,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:22,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:22,330 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:22,336 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:22,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:22,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:22,338 INFO L87 Difference]: Start difference. First operand 453 states and 601 transitions. Second operand 3 states. [2019-10-03 02:51:22,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:22,406 INFO L93 Difference]: Finished difference Result 456 states and 604 transitions. [2019-10-03 02:51:22,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:22,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2019-10-03 02:51:22,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:22,419 INFO L225 Difference]: With dead ends: 456 [2019-10-03 02:51:22,419 INFO L226 Difference]: Without dead ends: 456 [2019-10-03 02:51:22,420 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 02:51:22,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2019-10-03 02:51:22,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 455. [2019-10-03 02:51:22,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-10-03 02:51:22,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 603 transitions. [2019-10-03 02:51:22,479 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 603 transitions. Word has length 146 [2019-10-03 02:51:22,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:22,480 INFO L475 AbstractCegarLoop]: Abstraction has 455 states and 603 transitions. [2019-10-03 02:51:22,480 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:22,481 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 603 transitions. [2019-10-03 02:51:22,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-10-03 02:51:22,484 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:22,484 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] [2019-10-03 02:51:22,485 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:22,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:22,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1834454924, now seen corresponding path program 1 times [2019-10-03 02:51:22,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:22,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:22,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,495 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:22,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:22,638 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 02:51:22,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:22,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-03 02:51:22,639 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:22,639 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-03 02:51:22,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-03 02:51:22,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-03 02:51:22,640 INFO L87 Difference]: Start difference. First operand 455 states and 603 transitions. Second operand 3 states. [2019-10-03 02:51:22,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:22,664 INFO L93 Difference]: Finished difference Result 496 states and 673 transitions. [2019-10-03 02:51:22,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-03 02:51:22,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2019-10-03 02:51:22,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:22,669 INFO L225 Difference]: With dead ends: 496 [2019-10-03 02:51:22,670 INFO L226 Difference]: Without dead ends: 496 [2019-10-03 02:51:22,670 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 02:51:22,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2019-10-03 02:51:22,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 495. [2019-10-03 02:51:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 495 states. [2019-10-03 02:51:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 495 states and 672 transitions. [2019-10-03 02:51:22,691 INFO L78 Accepts]: Start accepts. Automaton has 495 states and 672 transitions. Word has length 152 [2019-10-03 02:51:22,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:22,691 INFO L475 AbstractCegarLoop]: Abstraction has 495 states and 672 transitions. [2019-10-03 02:51:22,691 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-03 02:51:22,691 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 672 transitions. [2019-10-03 02:51:22,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-03 02:51:22,695 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:22,695 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] [2019-10-03 02:51:22,696 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:22,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:22,696 INFO L82 PathProgramCache]: Analyzing trace with hash 316559845, now seen corresponding path program 1 times [2019-10-03 02:51:22,696 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:22,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:22,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:22,701 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:23,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-10-03 02:51:23,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-03 02:51:23,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31 [2019-10-03 02:51:23,786 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:23,787 INFO L454 AbstractCegarLoop]: Interpolant automaton has 31 states [2019-10-03 02:51:23,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2019-10-03 02:51:23,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=858, Unknown=0, NotChecked=0, Total=930 [2019-10-03 02:51:23,789 INFO L87 Difference]: Start difference. First operand 495 states and 672 transitions. Second operand 31 states. [2019-10-03 02:51:28,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:28,890 INFO L93 Difference]: Finished difference Result 969 states and 1340 transitions. [2019-10-03 02:51:28,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2019-10-03 02:51:28,891 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 153 [2019-10-03 02:51:28,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:28,903 INFO L225 Difference]: With dead ends: 969 [2019-10-03 02:51:28,904 INFO L226 Difference]: Without dead ends: 964 [2019-10-03 02:51:28,907 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=252, Invalid=3054, Unknown=0, NotChecked=0, Total=3306 [2019-10-03 02:51:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2019-10-03 02:51:28,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 718. [2019-10-03 02:51:28,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 718 states. [2019-10-03 02:51:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 1025 transitions. [2019-10-03 02:51:28,977 INFO L78 Accepts]: Start accepts. Automaton has 718 states and 1025 transitions. Word has length 153 [2019-10-03 02:51:28,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:28,977 INFO L475 AbstractCegarLoop]: Abstraction has 718 states and 1025 transitions. [2019-10-03 02:51:28,977 INFO L476 AbstractCegarLoop]: Interpolant automaton has 31 states. [2019-10-03 02:51:28,978 INFO L276 IsEmpty]: Start isEmpty. Operand 718 states and 1025 transitions. [2019-10-03 02:51:28,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-03 02:51:28,986 INFO L403 BasicCegarLoop]: Found error trace [2019-10-03 02:51:28,986 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] [2019-10-03 02:51:28,986 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-03 02:51:28,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:28,987 INFO L82 PathProgramCache]: Analyzing trace with hash 410280145, now seen corresponding path program 1 times [2019-10-03 02:51:28,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-10-03 02:51:28,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-03 02:51:28,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-03 02:51:28,992 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-10-03 02:51:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-03 02:51:29,921 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 02:51:29,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-10-03 02:51:29,922 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-10-03 02:51:29,923 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2019-10-03 02:51:29,926 INFO L207 CegarAbsIntRunner]: [123], [152], [155], [156], [157], [159], [269], [271], [275], [278], [279], [280], [283], [289], [313], [320], [322], [325], [334], [337], [346], [367], [369], [370], [373], [383], [600], [602], [603], [604], [642], [645], [647], [650], [659], [698], [699], [700], [740], [744], [747], [755], [758], [816], [825], [829], [831], [833], [836], [843], [850], [853], [1114], [1186], [1188], [1190], [1197], [1201], [1212], [1215], [1216], [1219], [1222], [1253], [1254], [1256], [1325], [1328], [1334], [1369], [1372], [1386], [1394], [1397], [1406], [1595], [1597], [1599], [1601], [1602], [1632], [1642], [1643], [1644], [1645], [1646], [1647], [1650], [1651], [1652], [1653], [1654], [1656], [1657], [1658], [1659], [1668], [1669], [1670], [1682], [1683], [1708], [1709], [1724], [1730], [1731], [1732], [1733], [1734], [1735], [1736], [1737], [1738], [1740], [1741], [1742], [1743], [1786], [1788], [1789], [1790], [1791], [1796], [1798], [1799], [1800], [1801], [1802], [1803], [1804], [1818], [1819], [1820], [1821], [1822], [1823], [1824], [1825], [1826] [2019-10-03 02:51:29,979 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-03 02:51:29,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 02:51:30,110 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 02:51:30,112 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 184 root evaluator evaluations with a maximum evaluation depth of 0. Performed 184 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 362 variables. [2019-10-03 02:51:30,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-03 02:51:30,119 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-03 02:51:30,184 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-03 02:51:30,185 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-10-03 02:51:30,190 INFO L420 sIntCurrentIteration]: We unified 153 AI predicates to 153 [2019-10-03 02:51:30,190 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-03 02:51:30,191 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-03 02:51:30,191 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [31] total 31 [2019-10-03 02:51:30,191 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-10-03 02:51:30,192 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-03 02:51:30,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-03 02:51:30,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-03 02:51:30,193 INFO L87 Difference]: Start difference. First operand 718 states and 1025 transitions. Second operand 2 states. [2019-10-03 02:51:30,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-03 02:51:30,193 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-10-03 02:51:30,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-03 02:51:30,194 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-03 02:51:30,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-03 02:51:30,194 INFO L225 Difference]: With dead ends: 2 [2019-10-03 02:51:30,194 INFO L226 Difference]: Without dead ends: 0 [2019-10-03 02:51:30,195 INFO L640 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 153 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 02:51:30,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-03 02:51:30,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-03 02:51:30,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-03 02:51:30,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-03 02:51:30,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2019-10-03 02:51:30,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-03 02:51:30,196 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-03 02:51:30,196 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-03 02:51:30,196 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-03 02:51:30,196 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-03 02:51:30,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.10 02:51:30 BoogieIcfgContainer [2019-10-03 02:51:30,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-03 02:51:30,205 INFO L168 Benchmark]: Toolchain (without parser) took 12703.81 ms. Allocated memory was 132.6 MB in the beginning and 397.4 MB in the end (delta: 264.8 MB). Free memory was 85.4 MB in the beginning and 248.3 MB in the end (delta: -162.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:30,207 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 02:51:30,208 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1113.03 ms. Allocated memory was 132.6 MB in the beginning and 201.9 MB in the end (delta: 69.2 MB). Free memory was 85.2 MB in the beginning and 133.4 MB in the end (delta: -48.2 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:30,209 INFO L168 Benchmark]: Boogie Preprocessor took 191.53 ms. Allocated memory is still 201.9 MB. Free memory was 133.4 MB in the beginning and 124.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:30,210 INFO L168 Benchmark]: RCFGBuilder took 2164.71 ms. Allocated memory was 201.9 MB in the beginning and 264.2 MB in the end (delta: 62.4 MB). Free memory was 124.7 MB in the beginning and 174.8 MB in the end (delta: -50.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:30,211 INFO L168 Benchmark]: TraceAbstraction took 9227.46 ms. Allocated memory was 264.2 MB in the beginning and 397.4 MB in the end (delta: 133.2 MB). Free memory was 174.8 MB in the beginning and 248.3 MB in the end (delta: -73.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. [2019-10-03 02:51:30,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.8 MB in the beginning and 106.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1113.03 ms. Allocated memory was 132.6 MB in the beginning and 201.9 MB in the end (delta: 69.2 MB). Free memory was 85.2 MB in the beginning and 133.4 MB in the end (delta: -48.2 MB). Peak memory consumption was 32.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.53 ms. Allocated memory is still 201.9 MB. Free memory was 133.4 MB in the beginning and 124.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2164.71 ms. Allocated memory was 201.9 MB in the beginning and 264.2 MB in the end (delta: 62.4 MB). Free memory was 124.7 MB in the beginning and 174.8 MB in the end (delta: -50.1 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9227.46 ms. Allocated memory was 264.2 MB in the beginning and 397.4 MB in the end (delta: 133.2 MB). Free memory was 174.8 MB in the beginning and 248.3 MB in the end (delta: -73.6 MB). Peak memory consumption was 59.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1602]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 109 procedures, 740 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 5.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2549 SDtfs, 1427 SDslu, 17785 SDs, 0 SdLazy, 3205 SolverSat, 376 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 2.372549019607843 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 248 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 750 NumberOfCodeBlocks, 750 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 745 ConstructedInterpolants, 0 QuantifiedInterpolants, 187890 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 143/146 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...