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 0.1.24-13a467a-m [2019-10-15 03:16:18,069 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:16:18,072 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:16:18,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:16:18,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:16:18,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:16:18,088 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:16:18,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:16:18,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:16:18,093 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:16:18,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:16:18,095 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:16:18,095 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:16:18,096 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:16:18,097 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:16:18,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:16:18,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:16:18,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:16:18,102 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:16:18,104 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:16:18,106 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:16:18,107 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:16:18,108 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:16:18,109 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:16:18,111 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:16:18,112 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:16:18,112 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:16:18,113 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:16:18,113 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:16:18,114 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:16:18,115 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:16:18,115 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:16:18,116 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:16:18,117 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:16:18,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:16:18,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:16:18,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:16:18,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:16:18,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:16:18,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:16:18,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:16:18,122 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 03:16:18,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:16:18,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:16:18,144 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:16:18,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:16:18,145 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:16:18,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:16:18,145 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:16:18,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:16:18,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:16:18,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:16:18,147 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:16:18,147 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:16:18,148 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:16:18,148 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:16:18,148 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:16:18,149 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:16:18,149 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:16:18,149 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:16:18,149 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:16:18,149 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:16:18,150 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:16:18,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:16:18,150 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:16:18,150 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:16:18,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:16:18,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:16:18,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:16:18,151 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:16:18,151 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 03:16:18,448 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:16:18,461 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:16:18,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:16:18,466 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:16:18,467 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:16:18,467 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-10-15 03:16:18,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae9b8bc9/80f7cf8a9f6e4394960b9f3c22db543d/FLAGeebd5c1b5 [2019-10-15 03:16:19,243 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:16:19,244 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec6_product35.cil.c [2019-10-15 03:16:19,276 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae9b8bc9/80f7cf8a9f6e4394960b9f3c22db543d/FLAGeebd5c1b5 [2019-10-15 03:16:19,404 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1ae9b8bc9/80f7cf8a9f6e4394960b9f3c22db543d [2019-10-15 03:16:19,414 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:16:19,415 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:16:19,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:19,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:16:19,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:16:19,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:19" (1/1) ... [2019-10-15 03:16:19,424 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@510c1389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:19, skipping insertion in model container [2019-10-15 03:16:19,425 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:16:19" (1/1) ... [2019-10-15 03:16:19,433 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:16:19,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:16:20,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:20,359 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:16:20,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:16:20,590 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:16:20,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20 WrapperNode [2019-10-15 03:16:20,590 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:16:20,591 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:16:20,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:16:20,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:16:20,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,643 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,644 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,767 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (1/1) ... [2019-10-15 03:16:20,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:16:20,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:16:20,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:16:20,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:16:20,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (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 03:16:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:16:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:16:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:16:20,869 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:16:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:16:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:16:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:16:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:16:20,870 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:16:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:16:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:16:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:16:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:16:20,871 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:16:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:16:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:16:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:16:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:16:20,872 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:16:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:16:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:16:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:16:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:16:20,873 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:16:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:16:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:16:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:16:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:16:20,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:16:20,875 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:16:20,876 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:20,877 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:16:20,878 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:16:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:16:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:16:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:16:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:16:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:16:20,879 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:16:20,880 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:16:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:16:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:16:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:16:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:16:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:16:20,881 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:16:20,882 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:16:20,883 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:16:20,884 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:16:20,885 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:16:20,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:16:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:16:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:16:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:16:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:16:20,887 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:16:20,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:16:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:16:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:16:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:16:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:16:20,888 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:16:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:16:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:16:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:16:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:16:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:16:20,889 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:16:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:16:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:16:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:16:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:16:20,890 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:16:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:16:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:16:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:16:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:16:20,891 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:16:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:16:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:16:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:16:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:16:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:16:20,892 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:16:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:16:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:16:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:16:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:16:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:16:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:16:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:16:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:16:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:16:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:16:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:16:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:16:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:16:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:16:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:16:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:16:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:16:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:16:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__1 [2019-10-15 03:16:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:16:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:16:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:16:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:16:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:16:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:16:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:16:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:16:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptDecrypt_spec__2 [2019-10-15 03:16:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:16:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:16:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:16:20,898 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:16:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:16:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:16:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:16:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:16:20,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:16:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:16:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:16:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:16:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:16:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:16:20,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:16:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:16:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:16:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:16:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:16:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:16:20,901 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:16:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:16:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:16:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:16:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:16:20,902 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:16:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:16:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:16:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:16:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:16:20,903 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:16:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:16:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:16:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:16:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:16:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:16:20,904 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:16:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:16:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:16:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:16:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:16:20,905 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:16:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:16:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:16:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:16:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:16:20,906 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:16:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:16:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:16:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:16:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:16:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:16:20,907 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:16:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:16:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:16:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:16:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:16:20,908 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:16:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:16:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:16:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:16:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:16:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:16:20,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:16:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:16:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:16:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:16:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:16:20,910 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:16:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:16:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:16:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:16:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:16:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:16:20,911 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:16:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:16:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:16:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:16:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:16:20,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:16:20,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:16:25,747 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:16:25,747 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:16:25,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:25 BoogieIcfgContainer [2019-10-15 03:16:25,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:16:25,751 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:16:25,751 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:16:25,754 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:16:25,755 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:16:19" (1/3) ... [2019-10-15 03:16:25,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e32c563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:25, skipping insertion in model container [2019-10-15 03:16:25,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:16:20" (2/3) ... [2019-10-15 03:16:25,756 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e32c563 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:16:25, skipping insertion in model container [2019-10-15 03:16:25,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:16:25" (3/3) ... [2019-10-15 03:16:25,758 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec6_product35.cil.c [2019-10-15 03:16:25,770 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:16:25,779 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:16:25,792 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:16:25,823 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:16:25,824 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:16:25,824 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:16:25,824 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:16:25,824 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:16:25,824 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:16:25,824 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:16:25,824 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:16:25,909 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states. [2019-10-15 03:16:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-10-15 03:16:25,934 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:25,935 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] [2019-10-15 03:16:25,937 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:25,944 INFO L82 PathProgramCache]: Analyzing trace with hash -823884471, now seen corresponding path program 1 times [2019-10-15 03:16:25,953 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:25,953 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123837017] [2019-10-15 03:16:25,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:25,954 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:25,954 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:26,671 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:26,672 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123837017] [2019-10-15 03:16:26,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:26,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:16:26,674 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458617044] [2019-10-15 03:16:26,682 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:16:26,682 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:26,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:16:26,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:16:26,701 INFO L87 Difference]: Start difference. First operand 486 states. Second operand 2 states. [2019-10-15 03:16:26,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:26,845 INFO L93 Difference]: Finished difference Result 747 states and 894 transitions. [2019-10-15 03:16:26,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:16:26,848 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 154 [2019-10-15 03:16:26,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:26,886 INFO L225 Difference]: With dead ends: 747 [2019-10-15 03:16:26,886 INFO L226 Difference]: Without dead ends: 459 [2019-10-15 03:16:26,898 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 03:16:26,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-15 03:16:27,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 459. [2019-10-15 03:16:27,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2019-10-15 03:16:27,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 544 transitions. [2019-10-15 03:16:27,056 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 544 transitions. Word has length 154 [2019-10-15 03:16:27,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:27,058 INFO L462 AbstractCegarLoop]: Abstraction has 459 states and 544 transitions. [2019-10-15 03:16:27,058 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:16:27,058 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 544 transitions. [2019-10-15 03:16:27,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-10-15 03:16:27,071 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:27,071 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] [2019-10-15 03:16:27,071 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:27,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:27,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1265004974, now seen corresponding path program 1 times [2019-10-15 03:16:27,073 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:27,073 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302742656] [2019-10-15 03:16:27,073 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,074 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,074 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:27,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:27,426 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:27,426 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302742656] [2019-10-15 03:16:27,426 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:27,427 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:27,427 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1326718559] [2019-10-15 03:16:27,431 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:27,432 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:27,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:27,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:27,432 INFO L87 Difference]: Start difference. First operand 459 states and 544 transitions. Second operand 3 states. [2019-10-15 03:16:27,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:27,509 INFO L93 Difference]: Finished difference Result 732 states and 861 transitions. [2019-10-15 03:16:27,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:27,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 155 [2019-10-15 03:16:27,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:27,519 INFO L225 Difference]: With dead ends: 732 [2019-10-15 03:16:27,519 INFO L226 Difference]: Without dead ends: 461 [2019-10-15 03:16:27,522 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 03:16:27,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 461 states. [2019-10-15 03:16:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 461 to 461. [2019-10-15 03:16:27,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2019-10-15 03:16:27,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 546 transitions. [2019-10-15 03:16:27,555 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 546 transitions. Word has length 155 [2019-10-15 03:16:27,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:27,557 INFO L462 AbstractCegarLoop]: Abstraction has 461 states and 546 transitions. [2019-10-15 03:16:27,557 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:27,557 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 546 transitions. [2019-10-15 03:16:27,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-10-15 03:16:27,562 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:27,562 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] [2019-10-15 03:16:27,563 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:27,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:27,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1464848670, now seen corresponding path program 1 times [2019-10-15 03:16:27,563 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:27,563 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270019304] [2019-10-15 03:16:27,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,564 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,564 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:27,826 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:27,827 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270019304] [2019-10-15 03:16:27,827 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:27,827 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:27,827 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748565634] [2019-10-15 03:16:27,828 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:27,828 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:27,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:27,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:27,829 INFO L87 Difference]: Start difference. First operand 461 states and 546 transitions. Second operand 3 states. [2019-10-15 03:16:27,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:27,879 INFO L93 Difference]: Finished difference Result 908 states and 1105 transitions. [2019-10-15 03:16:27,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:27,880 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 167 [2019-10-15 03:16:27,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:27,886 INFO L225 Difference]: With dead ends: 908 [2019-10-15 03:16:27,890 INFO L226 Difference]: Without dead ends: 505 [2019-10-15 03:16:27,894 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 03:16:27,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-10-15 03:16:27,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 504. [2019-10-15 03:16:27,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2019-10-15 03:16:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 620 transitions. [2019-10-15 03:16:27,927 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 620 transitions. Word has length 167 [2019-10-15 03:16:27,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:27,928 INFO L462 AbstractCegarLoop]: Abstraction has 504 states and 620 transitions. [2019-10-15 03:16:27,928 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:27,931 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 620 transitions. [2019-10-15 03:16:27,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-10-15 03:16:27,937 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:27,938 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] [2019-10-15 03:16:27,938 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:27,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:27,938 INFO L82 PathProgramCache]: Analyzing trace with hash -418260284, now seen corresponding path program 1 times [2019-10-15 03:16:27,939 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:27,939 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197586989] [2019-10-15 03:16:27,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,939 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:27,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:28,711 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197586989] [2019-10-15 03:16:28,711 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:28,712 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2019-10-15 03:16:28,712 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532874193] [2019-10-15 03:16:28,712 INFO L442 AbstractCegarLoop]: Interpolant automaton has 26 states [2019-10-15 03:16:28,713 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:28,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2019-10-15 03:16:28,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=584, Unknown=0, NotChecked=0, Total=650 [2019-10-15 03:16:28,714 INFO L87 Difference]: Start difference. First operand 504 states and 620 transitions. Second operand 26 states. [2019-10-15 03:16:40,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:40,728 INFO L93 Difference]: Finished difference Result 1504 states and 1848 transitions. [2019-10-15 03:16:40,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2019-10-15 03:16:40,729 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 168 [2019-10-15 03:16:40,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:40,750 INFO L225 Difference]: With dead ends: 1504 [2019-10-15 03:16:40,750 INFO L226 Difference]: Without dead ends: 1237 [2019-10-15 03:16:40,753 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=294, Invalid=2898, Unknown=0, NotChecked=0, Total=3192 [2019-10-15 03:16:40,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2019-10-15 03:16:40,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1224. [2019-10-15 03:16:40,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1224 states. [2019-10-15 03:16:40,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1224 states to 1224 states and 1485 transitions. [2019-10-15 03:16:40,885 INFO L78 Accepts]: Start accepts. Automaton has 1224 states and 1485 transitions. Word has length 168 [2019-10-15 03:16:40,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:40,886 INFO L462 AbstractCegarLoop]: Abstraction has 1224 states and 1485 transitions. [2019-10-15 03:16:40,886 INFO L463 AbstractCegarLoop]: Interpolant automaton has 26 states. [2019-10-15 03:16:40,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1224 states and 1485 transitions. [2019-10-15 03:16:40,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-10-15 03:16:40,890 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:40,890 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] [2019-10-15 03:16:40,891 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:40,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:40,891 INFO L82 PathProgramCache]: Analyzing trace with hash -885800308, now seen corresponding path program 1 times [2019-10-15 03:16:40,891 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:40,892 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769114598] [2019-10-15 03:16:40,892 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:40,892 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:40,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:16:41,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [769114598] [2019-10-15 03:16:41,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:41,407 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2019-10-15 03:16:41,407 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770290124] [2019-10-15 03:16:41,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-10-15 03:16:41,409 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:41,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-10-15 03:16:41,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2019-10-15 03:16:41,410 INFO L87 Difference]: Start difference. First operand 1224 states and 1485 transitions. Second operand 16 states. [2019-10-15 03:16:48,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:48,373 INFO L93 Difference]: Finished difference Result 2857 states and 3468 transitions. [2019-10-15 03:16:48,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-10-15 03:16:48,375 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 174 [2019-10-15 03:16:48,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:48,393 INFO L225 Difference]: With dead ends: 2857 [2019-10-15 03:16:48,393 INFO L226 Difference]: Without dead ends: 2352 [2019-10-15 03:16:48,397 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 [2019-10-15 03:16:48,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2352 states. [2019-10-15 03:16:48,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2352 to 2304. [2019-10-15 03:16:48,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2019-10-15 03:16:48,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 2785 transitions. [2019-10-15 03:16:48,624 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 2785 transitions. Word has length 174 [2019-10-15 03:16:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:48,624 INFO L462 AbstractCegarLoop]: Abstraction has 2304 states and 2785 transitions. [2019-10-15 03:16:48,625 INFO L463 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-10-15 03:16:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 2785 transitions. [2019-10-15 03:16:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-10-15 03:16:48,629 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:48,630 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] [2019-10-15 03:16:48,630 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:48,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:48,631 INFO L82 PathProgramCache]: Analyzing trace with hash 277277250, now seen corresponding path program 1 times [2019-10-15 03:16:48,631 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:48,631 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985441726] [2019-10-15 03:16:48,631 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:48,632 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:48,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:48,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:48,813 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985441726] [2019-10-15 03:16:48,814 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:48,814 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:48,814 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782672332] [2019-10-15 03:16:48,815 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:48,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:48,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:48,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:48,816 INFO L87 Difference]: Start difference. First operand 2304 states and 2785 transitions. Second operand 3 states. [2019-10-15 03:16:48,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:48,921 INFO L93 Difference]: Finished difference Result 4668 states and 5712 transitions. [2019-10-15 03:16:48,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:48,922 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 189 [2019-10-15 03:16:48,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:48,940 INFO L225 Difference]: With dead ends: 4668 [2019-10-15 03:16:48,940 INFO L226 Difference]: Without dead ends: 2422 [2019-10-15 03:16:48,950 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 03:16:48,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2019-10-15 03:16:49,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 2420. [2019-10-15 03:16:49,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2420 states. [2019-10-15 03:16:49,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2420 states to 2420 states and 2985 transitions. [2019-10-15 03:16:49,115 INFO L78 Accepts]: Start accepts. Automaton has 2420 states and 2985 transitions. Word has length 189 [2019-10-15 03:16:49,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:49,119 INFO L462 AbstractCegarLoop]: Abstraction has 2420 states and 2985 transitions. [2019-10-15 03:16:49,119 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:49,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2420 states and 2985 transitions. [2019-10-15 03:16:49,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-15 03:16:49,131 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:49,131 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] [2019-10-15 03:16:49,132 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:49,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:49,132 INFO L82 PathProgramCache]: Analyzing trace with hash 561266436, now seen corresponding path program 1 times [2019-10-15 03:16:49,132 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:49,133 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778020336] [2019-10-15 03:16:49,133 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,134 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,134 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:49,330 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:49,330 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778020336] [2019-10-15 03:16:49,330 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:16:49,331 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:16:49,331 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482510724] [2019-10-15 03:16:49,331 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:16:49,332 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:16:49,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:16:49,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:16:49,333 INFO L87 Difference]: Start difference. First operand 2420 states and 2985 transitions. Second operand 3 states. [2019-10-15 03:16:49,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:16:49,446 INFO L93 Difference]: Finished difference Result 5007 states and 6297 transitions. [2019-10-15 03:16:49,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:16:49,447 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-10-15 03:16:49,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:16:49,463 INFO L225 Difference]: With dead ends: 5007 [2019-10-15 03:16:49,463 INFO L226 Difference]: Without dead ends: 2645 [2019-10-15 03:16:49,474 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 03:16:49,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2645 states. [2019-10-15 03:16:49,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2645 to 2643. [2019-10-15 03:16:49,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2643 states. [2019-10-15 03:16:49,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2643 states and 3367 transitions. [2019-10-15 03:16:49,636 INFO L78 Accepts]: Start accepts. Automaton has 2643 states and 3367 transitions. Word has length 190 [2019-10-15 03:16:49,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:16:49,637 INFO L462 AbstractCegarLoop]: Abstraction has 2643 states and 3367 transitions. [2019-10-15 03:16:49,637 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:16:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 2643 states and 3367 transitions. [2019-10-15 03:16:49,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-10-15 03:16:49,643 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:16:49,643 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] [2019-10-15 03:16:49,644 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:16:49,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:16:49,644 INFO L82 PathProgramCache]: Analyzing trace with hash 30382114, now seen corresponding path program 1 times [2019-10-15 03:16:49,644 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:16:49,645 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827539054] [2019-10-15 03:16:49,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,645 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:16:49,645 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:16:49,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:50,348 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-10-15 03:16:50,349 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827539054] [2019-10-15 03:16:50,349 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [80782561] [2019-10-15 03:16:50,349 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 03:16:51,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:16:51,013 INFO L256 TraceCheckSpWp]: Trace formula consists of 3307 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:16:51,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:16:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:51,169 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:16:51,416 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-10-15 03:16:51,416 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1242649363] [2019-10-15 03:16:51,462 INFO L162 IcfgInterpreter]: Started Sifa with 176 locations of interest [2019-10-15 03:16:51,462 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:16:51,470 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:16:51,478 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:16:51,479 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs