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_spec3_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:13:51,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:13:51,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:13:51,748 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:13:51,749 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:13:51,751 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:13:51,753 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:13:51,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:13:51,766 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:13:51,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:13:51,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:13:51,772 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:13:51,772 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:13:51,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:13:51,776 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:13:51,777 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:13:51,779 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:13:51,780 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:13:51,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:13:51,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:13:51,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:13:51,792 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:13:51,794 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:13:51,795 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:13:51,797 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:13:51,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:13:51,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:13:51,799 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:13:51,800 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:13:51,801 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:13:51,801 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:13:51,803 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:13:51,804 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:13:51,805 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:13:51,806 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:13:51,806 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:13:51,807 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:13:51,807 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:13:51,807 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:13:51,808 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:13:51,809 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:13:51,810 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 03:13:51,837 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:13:51,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:13:51,839 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:13:51,839 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:13:51,839 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:13:51,839 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:13:51,840 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:13:51,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:13:51,840 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:13:51,840 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:13:51,840 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:13:51,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:13:51,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:13:51,841 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:13:51,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:13:51,841 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:13:51,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:13:51,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:13:51,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:13:51,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:13:51,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:13:51,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:13:51,843 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:13:51,843 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:13:51,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:13:51,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:13:51,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:13:51,844 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:13:51,844 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 03:13:52,114 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:13:52,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:13:52,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:13:52,137 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:13:52,137 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:13:52,138 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product18.cil.c [2019-10-15 03:13:52,211 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49dce345/36c19dbfbddb4f6fb92f676636730af3/FLAGc9bab9926 [2019-10-15 03:13:52,852 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:13:52,853 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product18.cil.c [2019-10-15 03:13:52,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49dce345/36c19dbfbddb4f6fb92f676636730af3/FLAGc9bab9926 [2019-10-15 03:13:53,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d49dce345/36c19dbfbddb4f6fb92f676636730af3 [2019-10-15 03:13:53,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:13:53,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:13:53,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:53,196 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:13:53,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:13:53,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ce7b69a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:53, skipping insertion in model container [2019-10-15 03:13:53,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:13:53" (1/1) ... [2019-10-15 03:13:53,209 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:13:53,272 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:13:54,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:54,024 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:13:54,139 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:13:54,233 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:13:54,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54 WrapperNode [2019-10-15 03:13:54,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:13:54,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:13:54,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:13:54,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:13:54,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,279 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,344 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,385 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,406 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (1/1) ... [2019-10-15 03:13:54,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:13:54,431 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:13:54,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:13:54,433 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:13:54,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (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 03:13:54,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:13:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:13:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:54,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:13:54,508 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:13:54,509 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:13:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:13:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:13:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:13:54,510 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:13:54,511 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:13:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:13:54,512 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:13:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:13:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:13:54,513 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:13:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:13:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:13:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:13:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:13:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:13:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:13:54,517 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:13:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:13:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:13:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:13:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:13:54,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:13:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:13:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:13:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:13:54,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:13:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:13:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:13:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:13:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:13:54,520 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:13:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:13:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:13:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:54,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:13:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:13:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:13:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:13:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:13:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:13:54,522 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:13:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:13:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:13:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:13:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:13:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:13:54,523 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:13:54,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:13:54,524 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:13:54,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:54,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:54,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:54,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:13:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:13:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:13:54,526 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:13:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:13:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:13:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:13:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:13:54,527 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Keys [2019-10-15 03:13:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:13:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:13:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:13:54,528 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:13:54,529 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:13:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:13:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:13:54,530 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:13:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:13:54,531 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:13:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:13:54,532 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:13:54,533 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:13:54,533 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:13:54,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:13:54,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:13:54,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:13:54,534 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:13:54,534 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:13:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:13:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:13:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:13:54,536 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:13:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:13:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:13:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:13:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:13:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:13:54,537 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:13:54,538 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:13:54,539 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:13:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:13:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:13:54,540 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:13:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:13:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:13:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:13:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:13:54,541 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:13:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:13:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:13:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:13:54,542 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:13:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:13:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:13:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:13:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:13:54,544 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:13:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:13:54,545 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:13:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:13:54,546 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:13:54,547 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:13:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:13:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:13:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:13:54,552 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:13:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:13:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:13:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:13:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:13:54,553 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:13:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:13:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:13:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:13:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:13:54,554 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:13:54,555 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:13:54,556 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:13:54,557 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:13:54,558 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:13:54,559 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:13:54,560 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:13:54,561 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:13:54,562 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:13:54,563 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:13:54,564 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Keys [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:13:54,565 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:13:54,566 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:13:54,567 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:13:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:13:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:13:54,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:13:58,930 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:13:58,930 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:13:58,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:58 BoogieIcfgContainer [2019-10-15 03:13:58,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:13:58,933 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:13:58,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:13:58,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:13:58,937 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:13:53" (1/3) ... [2019-10-15 03:13:58,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403eac2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:58, skipping insertion in model container [2019-10-15 03:13:58,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:13:54" (2/3) ... [2019-10-15 03:13:58,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@403eac2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:13:58, skipping insertion in model container [2019-10-15 03:13:58,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:13:58" (3/3) ... [2019-10-15 03:13:58,940 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product18.cil.c [2019-10-15 03:13:58,950 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:13:58,959 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:13:59,024 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:13:59,052 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:13:59,052 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:13:59,052 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:13:59,052 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:13:59,053 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:13:59,053 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:13:59,053 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:13:59,053 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:13:59,089 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states. [2019-10-15 03:13:59,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-15 03:13:59,105 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:59,107 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:59,109 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:59,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:59,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1083958016, now seen corresponding path program 1 times [2019-10-15 03:13:59,123 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:59,123 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646229906] [2019-10-15 03:13:59,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,124 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,124 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:13:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:13:59,735 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 03:13:59,736 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646229906] [2019-10-15 03:13:59,737 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:13:59,737 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:13:59,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978426775] [2019-10-15 03:13:59,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:13:59,746 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:13:59,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:13:59,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:13:59,763 INFO L87 Difference]: Start difference. First operand 361 states. Second operand 2 states. [2019-10-15 03:13:59,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:13:59,860 INFO L93 Difference]: Finished difference Result 498 states and 589 transitions. [2019-10-15 03:13:59,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:13:59,862 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 134 [2019-10-15 03:13:59,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:13:59,893 INFO L225 Difference]: With dead ends: 498 [2019-10-15 03:13:59,893 INFO L226 Difference]: Without dead ends: 324 [2019-10-15 03:13:59,902 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 03:13:59,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2019-10-15 03:13:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 324. [2019-10-15 03:13:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 324 states. [2019-10-15 03:13:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 324 states and 381 transitions. [2019-10-15 03:13:59,977 INFO L78 Accepts]: Start accepts. Automaton has 324 states and 381 transitions. Word has length 134 [2019-10-15 03:13:59,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:13:59,979 INFO L462 AbstractCegarLoop]: Abstraction has 324 states and 381 transitions. [2019-10-15 03:13:59,980 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:13:59,980 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 381 transitions. [2019-10-15 03:13:59,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:13:59,985 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:13:59,986 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:13:59,986 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:13:59,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:13:59,987 INFO L82 PathProgramCache]: Analyzing trace with hash 906778733, now seen corresponding path program 1 times [2019-10-15 03:13:59,987 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:13:59,987 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797410789] [2019-10-15 03:13:59,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,987 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:13:59,988 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:00,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:00,275 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 03:14:00,275 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797410789] [2019-10-15 03:14:00,276 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:00,276 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:00,276 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037400012] [2019-10-15 03:14:00,278 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:00,278 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:00,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:00,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:00,279 INFO L87 Difference]: Start difference. First operand 324 states and 381 transitions. Second operand 3 states. [2019-10-15 03:14:00,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:00,314 INFO L93 Difference]: Finished difference Result 483 states and 557 transitions. [2019-10-15 03:14:00,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:00,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-15 03:14:00,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:00,318 INFO L225 Difference]: With dead ends: 483 [2019-10-15 03:14:00,318 INFO L226 Difference]: Without dead ends: 326 [2019-10-15 03:14:00,320 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 03:14:00,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2019-10-15 03:14:00,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 326. [2019-10-15 03:14:00,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2019-10-15 03:14:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 383 transitions. [2019-10-15 03:14:00,347 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 383 transitions. Word has length 135 [2019-10-15 03:14:00,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:00,348 INFO L462 AbstractCegarLoop]: Abstraction has 326 states and 383 transitions. [2019-10-15 03:14:00,348 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 383 transitions. [2019-10-15 03:14:00,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-10-15 03:14:00,352 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:00,352 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:00,353 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:00,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:00,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2025946945, now seen corresponding path program 1 times [2019-10-15 03:14:00,353 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:00,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089391997] [2019-10-15 03:14:00,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,354 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,354 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:00,626 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 03:14:00,627 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089391997] [2019-10-15 03:14:00,627 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:00,627 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:00,628 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213356292] [2019-10-15 03:14:00,628 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:00,629 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:00,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:00,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:00,629 INFO L87 Difference]: Start difference. First operand 326 states and 383 transitions. Second operand 3 states. [2019-10-15 03:14:00,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:00,660 INFO L93 Difference]: Finished difference Result 634 states and 773 transitions. [2019-10-15 03:14:00,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:00,660 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 144 [2019-10-15 03:14:00,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:00,663 INFO L225 Difference]: With dead ends: 634 [2019-10-15 03:14:00,664 INFO L226 Difference]: Without dead ends: 366 [2019-10-15 03:14:00,665 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 03:14:00,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2019-10-15 03:14:00,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 365. [2019-10-15 03:14:00,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2019-10-15 03:14:00,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 451 transitions. [2019-10-15 03:14:00,691 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 451 transitions. Word has length 144 [2019-10-15 03:14:00,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:00,692 INFO L462 AbstractCegarLoop]: Abstraction has 365 states and 451 transitions. [2019-10-15 03:14:00,692 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:00,693 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 451 transitions. [2019-10-15 03:14:00,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-10-15 03:14:00,696 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:00,697 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:00,697 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:00,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:00,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1474183208, now seen corresponding path program 1 times [2019-10-15 03:14:00,698 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:00,698 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946491368] [2019-10-15 03:14:00,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:00,846 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 03:14:00,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946491368] [2019-10-15 03:14:00,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:00,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:00,847 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902412640] [2019-10-15 03:14:00,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:00,848 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:00,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:00,849 INFO L87 Difference]: Start difference. First operand 365 states and 451 transitions. Second operand 3 states. [2019-10-15 03:14:00,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:00,880 INFO L93 Difference]: Finished difference Result 748 states and 972 transitions. [2019-10-15 03:14:00,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:00,881 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-10-15 03:14:00,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:00,884 INFO L225 Difference]: With dead ends: 748 [2019-10-15 03:14:00,885 INFO L226 Difference]: Without dead ends: 441 [2019-10-15 03:14:00,886 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 03:14:00,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-10-15 03:14:00,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 440. [2019-10-15 03:14:00,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 440 states. [2019-10-15 03:14:00,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 440 states and 581 transitions. [2019-10-15 03:14:00,912 INFO L78 Accepts]: Start accepts. Automaton has 440 states and 581 transitions. Word has length 145 [2019-10-15 03:14:00,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:00,913 INFO L462 AbstractCegarLoop]: Abstraction has 440 states and 581 transitions. [2019-10-15 03:14:00,913 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:00,913 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 581 transitions. [2019-10-15 03:14:00,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-10-15 03:14:00,916 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:00,917 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:00,917 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:00,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:00,918 INFO L82 PathProgramCache]: Analyzing trace with hash 463865911, now seen corresponding path program 1 times [2019-10-15 03:14:00,918 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:00,918 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270328830] [2019-10-15 03:14:00,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,918 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:00,919 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:00,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:01,486 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:14:01,488 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270328830] [2019-10-15 03:14:01,488 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:01,488 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2019-10-15 03:14:01,489 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973066074] [2019-10-15 03:14:01,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 23 states [2019-10-15 03:14:01,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:01,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2019-10-15 03:14:01,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2019-10-15 03:14:01,491 INFO L87 Difference]: Start difference. First operand 440 states and 581 transitions. Second operand 23 states. [2019-10-15 03:14:10,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:10,285 INFO L93 Difference]: Finished difference Result 953 states and 1157 transitions. [2019-10-15 03:14:10,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2019-10-15 03:14:10,286 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 148 [2019-10-15 03:14:10,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:10,291 INFO L225 Difference]: With dead ends: 953 [2019-10-15 03:14:10,291 INFO L226 Difference]: Without dead ends: 735 [2019-10-15 03:14:10,294 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=351, Invalid=2405, Unknown=0, NotChecked=0, Total=2756 [2019-10-15 03:14:10,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 735 states. [2019-10-15 03:14:10,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 735 to 725. [2019-10-15 03:14:10,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 725 states. [2019-10-15 03:14:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 725 states to 725 states and 891 transitions. [2019-10-15 03:14:10,346 INFO L78 Accepts]: Start accepts. Automaton has 725 states and 891 transitions. Word has length 148 [2019-10-15 03:14:10,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:10,347 INFO L462 AbstractCegarLoop]: Abstraction has 725 states and 891 transitions. [2019-10-15 03:14:10,347 INFO L463 AbstractCegarLoop]: Interpolant automaton has 23 states. [2019-10-15 03:14:10,347 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 891 transitions. [2019-10-15 03:14:10,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 03:14:10,351 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:10,351 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, 1, 1, 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 03:14:10,352 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:10,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:10,352 INFO L82 PathProgramCache]: Analyzing trace with hash -920810668, now seen corresponding path program 1 times [2019-10-15 03:14:10,353 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:10,353 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270943968] [2019-10-15 03:14:10,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:10,353 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:10,353 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:10,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:10,631 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 03:14:10,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270943968] [2019-10-15 03:14:10,632 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619003598] [2019-10-15 03:14:10,632 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 03:14:11,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:11,350 INFO L256 TraceCheckSpWp]: Trace formula consists of 2578 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:14:11,368 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:14:11,429 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 03:14:11,429 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:14:11,673 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 03:14:11,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [728398113] [2019-10-15 03:14:11,713 INFO L162 IcfgInterpreter]: Started Sifa with 143 locations of interest [2019-10-15 03:14:11,713 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:14:11,721 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:14:11,736 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:14:11,737 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs