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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:12:09,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:12:09,504 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:12:09,517 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:12:09,517 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:12:09,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:12:09,522 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:12:09,531 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:12:09,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:12:09,534 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:12:09,535 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:12:09,537 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:12:09,538 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:12:09,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:12:09,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:12:09,545 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:12:09,547 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:12:09,548 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:12:09,550 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:12:09,556 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:12:09,559 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:12:09,560 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:12:09,562 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:12:09,562 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:12:09,565 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:12:09,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:12:09,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:12:09,567 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:12:09,567 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:12:09,570 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:12:09,570 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:12:09,572 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:12:09,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:12:09,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:12:09,575 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:12:09,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:12:09,576 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:12:09,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:12:09,577 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:12:09,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:12:09,582 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:12:09,583 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:12:09,596 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:12:09,597 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:12:09,598 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:12:09,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:12:09,598 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:12:09,599 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:12:09,599 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:12:09,599 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:12:09,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:12:09,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:12:09,599 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:12:09,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:12:09,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:12:09,600 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:12:09,600 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:12:09,600 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:12:09,600 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:12:09,601 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:12:09,601 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:12:09,601 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:12:09,601 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:12:09,601 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:12:09,602 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:12:09,602 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:12:09,602 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:12:09,602 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:12:09,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:12:09,602 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:12:09,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:12:09,942 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:12:09,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:12:09,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:12:09,963 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:12:09,964 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:12:09,964 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2019-10-15 03:12:10,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498c389c4/373f9d7207a5490394acd80989be5b5f/FLAG48e9e9a1b [2019-10-15 03:12:10,645 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:12:10,646 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec1_product14.cil.c [2019-10-15 03:12:10,674 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498c389c4/373f9d7207a5490394acd80989be5b5f/FLAG48e9e9a1b [2019-10-15 03:12:10,777 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/498c389c4/373f9d7207a5490394acd80989be5b5f [2019-10-15 03:12:10,787 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:12:10,788 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:12:10,789 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:10,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:12:10,793 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:12:10,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,797 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3eba8fcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:10, skipping insertion in model container [2019-10-15 03:12:10,798 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:12:10" (1/1) ... [2019-10-15 03:12:10,805 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:12:10,882 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:12:11,566 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:11,583 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:12:11,715 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:12:11,792 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:12:11,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11 WrapperNode [2019-10-15 03:12:11,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:12:11,794 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:12:11,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:12:11,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:12:11,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,807 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:11,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (1/1) ... [2019-10-15 03:12:12,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:12:12,012 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:12:12,012 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:12:12,012 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:12:12,013 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (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 [2019-10-15 03:12:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:12:12,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:12:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:12:12,066 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:12:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:12:12,067 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:12:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:12:12,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:12:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:12:12,069 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:12:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:12:12,070 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:12:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:12:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:12:12,071 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:12:12,073 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:12:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:12:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:12:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:12:12,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:12:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:12:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:12:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:12:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:12:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:12:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:12:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:12:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:12:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:12:12,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:12:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:12:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:12:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:12:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:12:12,077 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__AddressBook [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:12:12,078 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:12:12,079 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:12:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:12:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:12:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:12:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:12:12,080 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:12:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:12:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:12,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:12:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:12:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:12:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:12:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:12:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:12:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:12:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:12:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:12:12,083 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:12:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:12:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:12:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:12:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:12:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:12:12,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:12:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:12:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:12:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:12:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:12:12,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:12:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:12:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:12:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:12:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:12:12,086 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:12:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:12:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:12:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:12:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:12:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:12:12,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:12:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:12:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:12:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:12:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:12:12,088 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:12:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:12:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:12:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:12:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:12:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:12:12,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:12:12,090 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:12:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:12:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:12:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:12:12,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:12:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:12:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:12:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:12:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:12:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:12:12,091 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:12:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:12:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:12:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:12:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:12:12,092 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:12:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:12:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:12:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:12:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:12:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:12:12,093 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:12:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:12:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:12:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:12:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:12:12,094 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:12:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:12:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:12:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:12:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:12:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:12:12,095 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:12:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:12:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:12:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__AddressBookEncrypt_spec__1 [2019-10-15 03:12:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:12:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:12:12,096 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:12:12,097 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:12:12,098 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:12:12,099 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__AddressBook [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:12:12,100 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:12:12,101 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:12:12,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:12:12,103 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:12:12,104 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:12:12,105 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:12:12,106 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:12:12,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:12:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:12:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:12:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:12:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:12:12,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:12:16,598 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:12:16,599 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:12:16,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:16 BoogieIcfgContainer [2019-10-15 03:12:16,602 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:12:16,603 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:12:16,604 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:12:16,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:12:16,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:12:10" (1/3) ... [2019-10-15 03:12:16,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d9913e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:16, skipping insertion in model container [2019-10-15 03:12:16,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:12:11" (2/3) ... [2019-10-15 03:12:16,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d9913e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:12:16, skipping insertion in model container [2019-10-15 03:12:16,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:12:16" (3/3) ... [2019-10-15 03:12:16,613 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec1_product14.cil.c [2019-10-15 03:12:16,624 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:12:16,636 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:12:16,648 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:12:16,680 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:12:16,680 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:12:16,680 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:12:16,680 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:12:16,681 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:12:16,681 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:12:16,681 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:12:16,681 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:12:16,709 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states. [2019-10-15 03:12:16,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-15 03:12:16,728 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:16,729 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:12:16,731 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:16,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:16,738 INFO L82 PathProgramCache]: Analyzing trace with hash -446690013, now seen corresponding path program 1 times [2019-10-15 03:12:16,749 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:16,749 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984385920] [2019-10-15 03:12:16,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:16,750 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:16,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:17,521 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:17,523 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984385920] [2019-10-15 03:12:17,533 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:17,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:12:17,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795833855] [2019-10-15 03:12:17,542 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:12:17,543 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:17,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:12:17,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:12:17,560 INFO L87 Difference]: Start difference. First operand 356 states. Second operand 2 states. [2019-10-15 03:12:17,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:17,652 INFO L93 Difference]: Finished difference Result 463 states and 558 transitions. [2019-10-15 03:12:17,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:12:17,655 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 121 [2019-10-15 03:12:17,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:17,697 INFO L225 Difference]: With dead ends: 463 [2019-10-15 03:12:17,698 INFO L226 Difference]: Without dead ends: 310 [2019-10-15 03:12:17,712 INFO L600 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 [2019-10-15 03:12:17,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2019-10-15 03:12:17,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310. [2019-10-15 03:12:17,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 310 states. [2019-10-15 03:12:17,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 370 transitions. [2019-10-15 03:12:17,814 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 370 transitions. Word has length 121 [2019-10-15 03:12:17,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:17,818 INFO L462 AbstractCegarLoop]: Abstraction has 310 states and 370 transitions. [2019-10-15 03:12:17,818 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:12:17,818 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 370 transitions. [2019-10-15 03:12:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-10-15 03:12:17,831 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:17,832 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:12:17,832 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:17,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:17,834 INFO L82 PathProgramCache]: Analyzing trace with hash 417944122, now seen corresponding path program 1 times [2019-10-15 03:12:17,834 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:17,835 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559275690] [2019-10-15 03:12:17,835 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,835 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:17,835 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:18,048 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:18,049 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559275690] [2019-10-15 03:12:18,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:18,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:18,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1841021416] [2019-10-15 03:12:18,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:18,055 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:18,055 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:18,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:18,056 INFO L87 Difference]: Start difference. First operand 310 states and 370 transitions. Second operand 3 states. [2019-10-15 03:12:18,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:18,131 INFO L93 Difference]: Finished difference Result 448 states and 527 transitions. [2019-10-15 03:12:18,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:18,132 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2019-10-15 03:12:18,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:18,140 INFO L225 Difference]: With dead ends: 448 [2019-10-15 03:12:18,141 INFO L226 Difference]: Without dead ends: 312 [2019-10-15 03:12:18,144 INFO L600 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 [2019-10-15 03:12:18,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2019-10-15 03:12:18,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2019-10-15 03:12:18,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2019-10-15 03:12:18,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 372 transitions. [2019-10-15 03:12:18,187 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 372 transitions. Word has length 122 [2019-10-15 03:12:18,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:18,188 INFO L462 AbstractCegarLoop]: Abstraction has 312 states and 372 transitions. [2019-10-15 03:12:18,188 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:18,188 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 372 transitions. [2019-10-15 03:12:18,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-10-15 03:12:18,191 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:18,191 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:12:18,191 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:18,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:18,192 INFO L82 PathProgramCache]: Analyzing trace with hash 1627506239, now seen corresponding path program 1 times [2019-10-15 03:12:18,192 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:18,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1799211769] [2019-10-15 03:12:18,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:18,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:18,192 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:18,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1799211769] [2019-10-15 03:12:18,352 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:12:18,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:12:18,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281831588] [2019-10-15 03:12:18,353 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:12:18,353 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:12:18,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:12:18,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:12:18,354 INFO L87 Difference]: Start difference. First operand 312 states and 372 transitions. Second operand 3 states. [2019-10-15 03:12:18,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:12:18,389 INFO L93 Difference]: Finished difference Result 606 states and 751 transitions. [2019-10-15 03:12:18,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:12:18,390 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 127 [2019-10-15 03:12:18,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:12:18,394 INFO L225 Difference]: With dead ends: 606 [2019-10-15 03:12:18,394 INFO L226 Difference]: Without dead ends: 352 [2019-10-15 03:12:18,395 INFO L600 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 [2019-10-15 03:12:18,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2019-10-15 03:12:18,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 351. [2019-10-15 03:12:18,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2019-10-15 03:12:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 440 transitions. [2019-10-15 03:12:18,416 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 440 transitions. Word has length 127 [2019-10-15 03:12:18,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:12:18,417 INFO L462 AbstractCegarLoop]: Abstraction has 351 states and 440 transitions. [2019-10-15 03:12:18,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:12:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 440 transitions. [2019-10-15 03:12:18,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-10-15 03:12:18,420 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:12:18,420 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 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] [2019-10-15 03:12:18,421 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:12:18,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:12:18,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1510017331, now seen corresponding path program 1 times [2019-10-15 03:12:18,421 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:12:18,422 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1400430557] [2019-10-15 03:12:18,422 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:18,422 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:12:18,422 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:12:18,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:18,783 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:18,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1400430557] [2019-10-15 03:12:18,784 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641485075] [2019-10-15 03:12:18,784 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:12:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:12:19,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 2410 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:12:19,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:12:19,560 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:19,561 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:12:19,827 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:12:19,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [473667047] [2019-10-15 03:12:19,865 INFO L162 IcfgInterpreter]: Started Sifa with 117 locations of interest [2019-10-15 03:12:19,865 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:12:19,872 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:12:19,880 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:12:19,881 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs