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_spec6_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 23:11:40,796 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 23:11:40,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 23:11:40,818 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 23:11:40,818 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 23:11:40,820 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 23:11:40,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 23:11:40,832 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 23:11:40,834 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 23:11:40,835 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 23:11:40,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 23:11:40,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 23:11:40,837 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 23:11:40,838 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 23:11:40,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 23:11:40,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 23:11:40,841 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 23:11:40,842 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 23:11:40,844 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 23:11:40,847 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 23:11:40,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 23:11:40,851 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 23:11:40,853 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 23:11:40,854 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 23:11:40,858 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 23:11:40,858 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 23:11:40,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 23:11:40,859 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 23:11:40,861 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 23:11:40,862 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 23:11:40,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 23:11:40,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 23:11:40,865 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 23:11:40,866 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 23:11:40,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 23:11:40,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 23:11:40,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 23:11:40,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 23:11:40,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 23:11:40,873 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 23:11:40,875 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 23:11:40,876 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 [2019-10-13 23:11:40,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 23:11:40,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 23:11:40,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 23:11:40,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 23:11:40,916 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 23:11:40,916 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 23:11:40,916 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 23:11:40,916 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 23:11:40,916 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 23:11:40,917 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 23:11:40,917 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 23:11:40,919 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 23:11:40,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 23:11:40,920 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 23:11:40,920 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 23:11:40,920 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 23:11:40,920 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 23:11:40,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 23:11:40,921 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 23:11:40,921 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 23:11:40,921 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 23:11:40,921 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 23:11:40,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 23:11:40,922 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 23:11:40,922 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 23:11:40,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 23:11:40,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 23:11:40,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 23:11:40,924 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 [2019-10-13 23:11:41,222 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 23:11:41,245 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 23:11:41,250 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 23:11:41,252 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 23:11:41,252 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 23:11:41,253 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-10-13 23:11:41,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2a5241d/80488a0984a1461b856f0a4e1caf4fdf/FLAG41cef2b00 [2019-10-13 23:11:42,017 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 23:11:42,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-10-13 23:11:42,052 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2a5241d/80488a0984a1461b856f0a4e1caf4fdf/FLAG41cef2b00 [2019-10-13 23:11:42,172 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e2a5241d/80488a0984a1461b856f0a4e1caf4fdf [2019-10-13 23:11:42,183 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 23:11:42,185 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 23:11:42,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 23:11:42,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 23:11:42,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 23:11:42,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:11:42" (1/1) ... [2019-10-13 23:11:42,194 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbf6379 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:42, skipping insertion in model container [2019-10-13 23:11:42,194 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 11:11:42" (1/1) ... [2019-10-13 23:11:42,202 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 23:11:42,288 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 23:11:43,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:11:43,143 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 23:11:43,275 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 23:11:43,397 INFO L192 MainTranslator]: Completed translation [2019-10-13 23:11:43,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43 WrapperNode [2019-10-13 23:11:43,398 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 23:11:43,398 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 23:11:43,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 23:11:43,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 23:11:43,416 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,455 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,461 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,554 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (1/1) ... [2019-10-13 23:11:43,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 23:11:43,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 23:11:43,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 23:11:43,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 23:11:43,616 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (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 [2019-10-13 23:11:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 23:11:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 23:11:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 23:11:43,679 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-13 23:11:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-13 23:11:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:11:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-13 23:11:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-13 23:11:43,680 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-13 23:11:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-13 23:11:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-13 23:11:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-13 23:11:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-13 23:11:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-13 23:11:43,681 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-13 23:11:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-13 23:11:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-13 23:11:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-13 23:11:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-13 23:11:43,682 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-13 23:11:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-13 23:11:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-13 23:11:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-13 23:11:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-13 23:11:43,683 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-13 23:11:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-13 23:11:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-13 23:11:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-13 23:11:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-13 23:11:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-13 23:11:43,684 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-13 23:11:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-13 23:11:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-13 23:11:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-13 23:11:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-13 23:11:43,685 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 23:11:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 23:11:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-13 23:11:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-13 23:11:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-13 23:11:43,686 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-13 23:11:43,687 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-13 23:11:43,688 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-13 23:11:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-13 23:11:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-13 23:11:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-13 23:11:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-13 23:11:43,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 23:11:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-13 23:11:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-13 23:11:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-13 23:11:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-13 23:11:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-13 23:11:43,690 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-13 23:11:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-13 23:11:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-13 23:11:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-13 23:11:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-13 23:11:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-13 23:11:43,691 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-13 23:11:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-13 23:11:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-13 23:11:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-13 23:11:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-13 23:11:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-13 23:11:43,692 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-13 23:11:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-13 23:11:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-13 23:11:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-13 23:11:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-13 23:11:43,693 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-13 23:11:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-13 23:11:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-13 23:11:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-13 23:11:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-13 23:11:43,694 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 23:11:43,695 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-13 23:11:43,696 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-13 23:11:43,697 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 23:11:43,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 23:11:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 23:11:43,699 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 23:11:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 23:11:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 23:11:43,699 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 23:11:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-13 23:11:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-13 23:11:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-13 23:11:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-13 23:11:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-13 23:11:43,700 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-13 23:11:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-13 23:11:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-13 23:11:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-13 23:11:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-13 23:11:43,701 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-13 23:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-13 23:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-13 23:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-13 23:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-13 23:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-13 23:11:43,702 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-13 23:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-13 23:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-13 23:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-13 23:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-13 23:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-13 23:11:43,703 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-13 23:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-13 23:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-13 23:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-13 23:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-13 23:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-13 23:11:43,704 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-13 23:11:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-13 23:11:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-13 23:11:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-13 23:11:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-13 23:11:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-13 23:11:43,705 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-13 23:11:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-13 23:11:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-13 23:11:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-13 23:11:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-13 23:11:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-13 23:11:43,706 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-13 23:11:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-13 23:11:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-13 23:11:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-13 23:11:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 23:11:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-13 23:11:43,707 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-13 23:11:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-13 23:11:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-13 23:11:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-13 23:11:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-13 23:11:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-13 23:11:43,708 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-13 23:11:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-13 23:11:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-13 23:11:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-13 23:11:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-13 23:11:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-13 23:11:43,709 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-13 23:11:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-13 23:11:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-13 23:11:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-13 23:11:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-13 23:11:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-13 23:11:43,710 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 23:11:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 23:11:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 23:11:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-13 23:11:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-13 23:11:43,711 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-13 23:11:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-13 23:11:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-13 23:11:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 23:11:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 23:11:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 23:11:43,712 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-13 23:11:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-13 23:11:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-13 23:11:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-13 23:11:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-13 23:11:43,713 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-13 23:11:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-13 23:11:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-13 23:11:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-13 23:11:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-13 23:11:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-13 23:11:43,714 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-13 23:11:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-13 23:11:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-13 23:11:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-13 23:11:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 23:11:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-13 23:11:43,715 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-13 23:11:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-13 23:11:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-13 23:11:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-13 23:11:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-13 23:11:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-13 23:11:43,716 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-13 23:11:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-13 23:11:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-13 23:11:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-13 23:11:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-13 23:11:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-13 23:11:43,717 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-13 23:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-13 23:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-13 23:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 23:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 23:11:43,718 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 23:11:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 23:11:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 23:11:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 23:11:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 23:11:43,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 23:11:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 23:11:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 23:11:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 23:11:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 23:11:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 23:11:43,722 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 23:11:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 23:11:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 23:11:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-13 23:11:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-13 23:11:43,723 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-13 23:11:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-13 23:11:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-13 23:11:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-13 23:11:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-13 23:11:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 23:11:43,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 23:11:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 23:11:43,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 23:11:48,331 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 23:11:48,332 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-13 23:11:48,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:11:48 BoogieIcfgContainer [2019-10-13 23:11:48,334 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 23:11:48,335 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 23:11:48,335 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 23:11:48,339 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 23:11:48,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 11:11:42" (1/3) ... [2019-10-13 23:11:48,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab7bbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:11:48, skipping insertion in model container [2019-10-13 23:11:48,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 11:11:43" (2/3) ... [2019-10-13 23:11:48,341 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab7bbbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 11:11:48, skipping insertion in model container [2019-10-13 23:11:48,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 11:11:48" (3/3) ... [2019-10-13 23:11:48,343 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product35.cil.c [2019-10-13 23:11:48,354 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 23:11:48,365 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 23:11:48,378 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 23:11:48,411 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 23:11:48,412 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 23:11:48,412 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 23:11:48,412 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 23:11:48,412 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 23:11:48,412 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 23:11:48,413 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 23:11:48,413 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 23:11:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states. [2019-10-13 23:11:48,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-13 23:11:48,538 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:48,539 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:48,546 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:48,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:48,556 INFO L82 PathProgramCache]: Analyzing trace with hash -823884471, now seen corresponding path program 1 times [2019-10-13 23:11:48,568 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:48,569 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190026971] [2019-10-13 23:11:48,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:48,569 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:48,570 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:11:49,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190026971] [2019-10-13 23:11:49,213 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:49,213 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 23:11:49,214 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901472943] [2019-10-13 23:11:49,219 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 23:11:49,220 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:49,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 23:11:49,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 23:11:49,238 INFO L87 Difference]: Start difference. First operand 486 states. Second operand 2 states. [2019-10-13 23:11:49,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:49,316 INFO L93 Difference]: Finished difference Result 747 states and 894 transitions. [2019-10-13 23:11:49,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 23:11:49,318 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-13 23:11:49,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:49,342 INFO L225 Difference]: With dead ends: 747 [2019-10-13 23:11:49,342 INFO L226 Difference]: Without dead ends: 459 [2019-10-13 23:11:49,349 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 [2019-10-13 23:11:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-13 23:11:49,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2019-10-13 23:11:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-13 23:11:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 544 transitions. [2019-10-13 23:11:49,472 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 544 transitions. Word has length 154 [2019-10-13 23:11:49,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:49,474 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 544 transitions. [2019-10-13 23:11:49,474 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 23:11:49,474 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 544 transitions. [2019-10-13 23:11:49,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-13 23:11:49,480 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:49,480 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:49,481 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:49,481 INFO L82 PathProgramCache]: Analyzing trace with hash 1265004974, now seen corresponding path program 1 times [2019-10-13 23:11:49,481 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:49,482 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281532199] [2019-10-13 23:11:49,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:49,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:49,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:11:49,754 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281532199] [2019-10-13 23:11:49,755 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:49,756 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:11:49,756 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751309091] [2019-10-13 23:11:49,765 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:11:49,765 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:49,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:11:49,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:11:49,766 INFO L87 Difference]: Start difference. First operand 459 states and 544 transitions. Second operand 3 states. [2019-10-13 23:11:49,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:49,850 INFO L93 Difference]: Finished difference Result 732 states and 861 transitions. [2019-10-13 23:11:49,850 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:11:49,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-13 23:11:49,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:49,863 INFO L225 Difference]: With dead ends: 732 [2019-10-13 23:11:49,864 INFO L226 Difference]: Without dead ends: 461 [2019-10-13 23:11:49,867 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 [2019-10-13 23:11:49,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-13 23:11:49,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2019-10-13 23:11:49,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-10-13 23:11:49,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 546 transitions. [2019-10-13 23:11:49,923 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 546 transitions. Word has length 155 [2019-10-13 23:11:49,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:49,924 INFO L462 AbstractCegarLoop]: Abstraction has 461 states and 546 transitions. [2019-10-13 23:11:49,924 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:11:49,925 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 546 transitions. [2019-10-13 23:11:49,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-13 23:11:49,932 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:49,932 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:49,932 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:49,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:49,933 INFO L82 PathProgramCache]: Analyzing trace with hash -1464848670, now seen corresponding path program 1 times [2019-10-13 23:11:49,933 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:49,933 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819871152] [2019-10-13 23:11:49,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:49,934 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:49,934 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:11:50,186 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819871152] [2019-10-13 23:11:50,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:50,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:11:50,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642851765] [2019-10-13 23:11:50,188 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:11:50,189 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:50,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:11:50,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:11:50,189 INFO L87 Difference]: Start difference. First operand 461 states and 546 transitions. Second operand 3 states. [2019-10-13 23:11:50,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:11:50,236 INFO L93 Difference]: Finished difference Result 908 states and 1105 transitions. [2019-10-13 23:11:50,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:11:50,237 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-10-13 23:11:50,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:11:50,240 INFO L225 Difference]: With dead ends: 908 [2019-10-13 23:11:50,240 INFO L226 Difference]: Without dead ends: 505 [2019-10-13 23:11:50,242 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 [2019-10-13 23:11:50,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-10-13 23:11:50,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2019-10-13 23:11:50,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-10-13 23:11:50,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 620 transitions. [2019-10-13 23:11:50,272 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 620 transitions. Word has length 167 [2019-10-13 23:11:50,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:11:50,272 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 620 transitions. [2019-10-13 23:11:50,272 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:11:50,273 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 620 transitions. [2019-10-13 23:11:50,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-13 23:11:50,276 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:11:50,277 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:11:50,277 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:11:50,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:11:50,277 INFO L82 PathProgramCache]: Analyzing trace with hash -418260284, now seen corresponding path program 1 times [2019-10-13 23:11:50,278 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:11:50,278 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016845074] [2019-10-13 23:11:50,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:50,278 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:11:50,278 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:11:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:11:50,958 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:11:50,958 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016845074] [2019-10-13 23:11:50,959 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:11:50,959 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-10-13 23:11:50,959 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085692609] [2019-10-13 23:11:50,960 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-13 23:11:50,961 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:11:50,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-13 23:11:50,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2019-10-13 23:11:50,962 INFO L87 Difference]: Start difference. First operand 504 states and 620 transitions. Second operand 26 states. [2019-10-13 23:12:04,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:04,322 INFO L93 Difference]: Finished difference Result 1504 states and 1848 transitions. [2019-10-13 23:12:04,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-10-13 23:12:04,322 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 168 [2019-10-13 23:12:04,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:04,344 INFO L225 Difference]: With dead ends: 1504 [2019-10-13 23:12:04,345 INFO L226 Difference]: Without dead ends: 1237 [2019-10-13 23:12:04,353 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=294, Invalid=2898, Unknown=0, NotChecked=0, Total=3192 [2019-10-13 23:12:04,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2019-10-13 23:12:04,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1224. [2019-10-13 23:12:04,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2019-10-13 23:12:04,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1485 transitions. [2019-10-13 23:12:04,463 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1485 transitions. Word has length 168 [2019-10-13 23:12:04,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:04,465 INFO L462 AbstractCegarLoop]: Abstraction has 1224 states and 1485 transitions. [2019-10-13 23:12:04,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-13 23:12:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1485 transitions. [2019-10-13 23:12:04,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-13 23:12:04,471 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:04,471 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:12:04,472 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:04,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:04,472 INFO L82 PathProgramCache]: Analyzing trace with hash -885800308, now seen corresponding path program 1 times [2019-10-13 23:12:04,472 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:04,473 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783119813] [2019-10-13 23:12:04,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:04,473 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:04,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:04,935 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-13 23:12:04,935 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783119813] [2019-10-13 23:12:04,935 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:04,936 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-13 23:12:04,936 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94370391] [2019-10-13 23:12:04,936 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-13 23:12:04,937 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:04,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-13 23:12:04,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-13 23:12:04,938 INFO L87 Difference]: Start difference. First operand 1224 states and 1485 transitions. Second operand 16 states. [2019-10-13 23:12:12,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:12,078 INFO L93 Difference]: Finished difference Result 2857 states and 3468 transitions. [2019-10-13 23:12:12,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-13 23:12:12,079 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2019-10-13 23:12:12,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:12,096 INFO L225 Difference]: With dead ends: 2857 [2019-10-13 23:12:12,096 INFO L226 Difference]: Without dead ends: 2352 [2019-10-13 23:12:12,100 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=139, Invalid=731, Unknown=0, NotChecked=0, Total=870 [2019-10-13 23:12:12,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2019-10-13 23:12:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2304. [2019-10-13 23:12:12,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2019-10-13 23:12:12,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 2785 transitions. [2019-10-13 23:12:12,341 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 2785 transitions. Word has length 174 [2019-10-13 23:12:12,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:12,342 INFO L462 AbstractCegarLoop]: Abstraction has 2304 states and 2785 transitions. [2019-10-13 23:12:12,342 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-13 23:12:12,342 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2785 transitions. [2019-10-13 23:12:12,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-13 23:12:12,349 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:12,350 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:12:12,350 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:12,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:12,351 INFO L82 PathProgramCache]: Analyzing trace with hash 277277250, now seen corresponding path program 1 times [2019-10-13 23:12:12,351 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:12,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548556203] [2019-10-13 23:12:12,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:12,352 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:12,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:12,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:12,609 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:12:12,610 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548556203] [2019-10-13 23:12:12,611 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:12,611 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:12,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419140559] [2019-10-13 23:12:12,613 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:12,613 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:12,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:12,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:12,614 INFO L87 Difference]: Start difference. First operand 2304 states and 2785 transitions. Second operand 3 states. [2019-10-13 23:12:12,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:12,765 INFO L93 Difference]: Finished difference Result 4668 states and 5712 transitions. [2019-10-13 23:12:12,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:12,766 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-13 23:12:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:12,791 INFO L225 Difference]: With dead ends: 4668 [2019-10-13 23:12:12,792 INFO L226 Difference]: Without dead ends: 2422 [2019-10-13 23:12:12,802 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 [2019-10-13 23:12:12,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2019-10-13 23:12:13,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2420. [2019-10-13 23:12:13,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2019-10-13 23:12:13,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2985 transitions. [2019-10-13 23:12:13,027 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2985 transitions. Word has length 189 [2019-10-13 23:12:13,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:13,030 INFO L462 AbstractCegarLoop]: Abstraction has 2420 states and 2985 transitions. [2019-10-13 23:12:13,030 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:13,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2985 transitions. [2019-10-13 23:12:13,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-13 23:12:13,035 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:13,035 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:12:13,035 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:13,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:13,036 INFO L82 PathProgramCache]: Analyzing trace with hash 561266436, now seen corresponding path program 1 times [2019-10-13 23:12:13,036 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:13,037 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917087472] [2019-10-13 23:12:13,037 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:13,037 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:13,038 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:13,211 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:12:13,212 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917087472] [2019-10-13 23:12:13,212 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 23:12:13,212 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 23:12:13,212 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372682856] [2019-10-13 23:12:13,213 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 23:12:13,213 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-13 23:12:13,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 23:12:13,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 23:12:13,214 INFO L87 Difference]: Start difference. First operand 2420 states and 2985 transitions. Second operand 3 states. [2019-10-13 23:12:13,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 23:12:13,346 INFO L93 Difference]: Finished difference Result 5007 states and 6297 transitions. [2019-10-13 23:12:13,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 23:12:13,346 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-13 23:12:13,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 23:12:13,364 INFO L225 Difference]: With dead ends: 5007 [2019-10-13 23:12:13,364 INFO L226 Difference]: Without dead ends: 2645 [2019-10-13 23:12:13,376 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 [2019-10-13 23:12:13,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-10-13 23:12:13,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2643. [2019-10-13 23:12:13,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2643 states. [2019-10-13 23:12:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3367 transitions. [2019-10-13 23:12:13,570 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3367 transitions. Word has length 190 [2019-10-13 23:12:13,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 23:12:13,571 INFO L462 AbstractCegarLoop]: Abstraction has 2643 states and 3367 transitions. [2019-10-13 23:12:13,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 23:12:13,571 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3367 transitions. [2019-10-13 23:12:13,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-13 23:12:13,578 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 23:12:13,578 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 23:12:13,579 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 23:12:13,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 23:12:13,579 INFO L82 PathProgramCache]: Analyzing trace with hash 30382114, now seen corresponding path program 1 times [2019-10-13 23:12:13,579 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-13 23:12:13,579 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32165343] [2019-10-13 23:12:13,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:13,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 23:12:13,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 23:12:13,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:14,426 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-13 23:12:14,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32165343] [2019-10-13 23:12:14,427 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [475656589] [2019-10-13 23:12:14,427 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 [2019-10-13 23:12:15,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 23:12:15,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-13 23:12:15,090 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 23:12:15,222 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:12:15,222 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 23:12:15,494 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-13 23:12:15,495 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [346890770] [2019-10-13 23:12:15,536 INFO L162 IcfgInterpreter]: Started Sifa with 176 locations of interest [2019-10-13 23:12:15,537 INFO L169 IcfgInterpreter]: Building call graph [2019-10-13 23:12:15,617 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-13 23:12:15,625 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-13 23:12:15,626 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs