java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --traceabstraction.trace.refinement.strategy SIFA_TAIPAN --sifa.abstract.domain CompoundDomain --rcfgbuilder.size.of.a.code.block LoopFreeBlock --sifa.call.summarizer TopInputCallSummarizer --sifa.fluid SizeLimitFluid --sifa.simplification.technique SIMPLIFY_QUICK -i ../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:14:33,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:14:33,910 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:14:33,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:14:33,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:14:33,930 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:14:33,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:14:33,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:14:33,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:14:33,945 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:14:33,945 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:14:33,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:14:33,947 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:14:33,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:14:33,949 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:14:33,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:14:33,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:14:33,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:14:33,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:14:33,955 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:14:33,956 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:14:33,957 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:14:33,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:14:33,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:14:33,961 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:14:33,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:14:33,962 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:14:33,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:14:33,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:14:33,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:14:33,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:14:33,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:14:33,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:14:33,967 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:14:33,968 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:14:33,968 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:14:33,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:14:33,969 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:14:33,969 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:14:33,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:14:33,971 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:14:33,971 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 03:14:33,986 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:14:33,986 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:14:33,987 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:14:33,988 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:14:33,988 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:14:33,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:14:33,988 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:14:33,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:14:33,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:14:33,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:14:33,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:14:33,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:14:33,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:14:33,990 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:14:33,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:14:33,990 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:14:33,990 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:14:33,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:14:33,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:14:33,991 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:14:33,991 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:14:33,991 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:14:33,992 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:14:33,992 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:14:33,992 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:14:33,992 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:14:33,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:14:33,993 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:14:33,993 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 03:14:34,291 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:14:34,307 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:14:34,311 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:14:34,312 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:14:34,313 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:14:34,313 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-10-15 03:14:34,383 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d21288e/bc3e28549b59415e84a3125c433e0582/FLAG3aaa04476 [2019-10-15 03:14:34,980 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:14:34,981 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-10-15 03:14:35,009 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d21288e/bc3e28549b59415e84a3125c433e0582/FLAG3aaa04476 [2019-10-15 03:14:35,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2d21288e/bc3e28549b59415e84a3125c433e0582 [2019-10-15 03:14:35,246 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:14:35,248 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:14:35,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:14:35,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:14:35,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:14:35,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:14:35" (1/1) ... [2019-10-15 03:14:35,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e54d529 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:35, skipping insertion in model container [2019-10-15 03:14:35,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:14:35" (1/1) ... [2019-10-15 03:14:35,266 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:14:35,355 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:14:36,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:14:36,182 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:14:36,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:14:36,529 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:14:36,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36 WrapperNode [2019-10-15 03:14:36,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:14:36,531 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:14:36,531 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:14:36,531 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:14:36,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,548 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,612 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,612 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,680 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,718 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (1/1) ... [2019-10-15 03:14:36,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:14:36,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:14:36,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:14:36,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:14:36,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (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 03:14:36,862 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:14:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:14:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:14:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:14:36,863 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:14:36,864 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:14:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:14:36,865 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:14:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:14:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:14:36,866 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:14:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:14:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:14:36,867 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:14:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:14:36,868 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:14:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:14:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:14:36,870 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:14:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:14:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:14:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:14:36,871 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:14:36,872 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:14:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:14:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:14:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:14:36,873 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:14:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:14:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:14:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:14:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:14:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:14:36,874 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:14:36,875 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:14:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:14:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:14:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:14:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:14:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:14:36,876 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:14:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:14:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:14:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:14:36,877 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-10-15 03:14:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-10-15 03:14:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:14:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:14:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:14:36,878 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-10-15 03:14:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:14:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:14:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:14:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:14:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:14:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:14:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:14:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:14:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:14:36,880 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:14:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-10-15 03:14:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:14:36,881 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-10-15 03:14:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:14:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:14:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:14:36,882 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:14:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:14:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:14:36,883 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-10-15 03:14:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-10-15 03:14:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:14:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:14:36,884 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:14:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:14:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:14:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:14:36,885 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:14:36,886 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:14:36,887 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:14:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:14:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:14:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:14:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:14:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:14:36,888 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:14:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:14:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:14:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:14:36,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:14:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:14:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:14:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:14:36,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:14:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:14:36,891 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:14:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:14:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:14:36,892 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:14:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:14:36,893 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:14:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:14:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:14:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:14:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-10-15 03:14:36,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:14:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-10-15 03:14:36,895 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:14:36,896 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:14:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:14:36,899 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:14:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:14:36,900 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:14:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:14:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:14:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:14:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:14:36,901 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:14:36,902 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:14:36,904 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:14:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:14:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:14:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:14:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:14:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:14:36,905 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:14:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:14:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:14:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:14:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:14:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:14:36,906 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:14:36,907 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:14:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:14:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:14:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:14:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:14:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:14:36,908 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-10-15 03:14:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-10-15 03:14:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:14:36,909 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:14:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:14:36,911 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:14:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:14:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:14:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:14:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:14:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:14:36,912 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:14:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:14:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:14:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:14:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:14:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:14:36,913 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:14:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:14:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:14:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:14:36,914 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:14:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:14:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:14:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:14:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:14:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:14:36,915 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:14:36,916 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:14:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:14:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:14:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:14:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:14:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:14:36,917 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-10-15 03:14:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:14:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-10-15 03:14:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:14:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:14:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-10-15 03:14:36,918 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-10-15 03:14:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:14:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-10-15 03:14:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:14:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:14:36,919 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:14:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:14:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:14:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:14:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-10-15 03:14:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-10-15 03:14:36,920 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:14:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:14:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:14:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:14:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:14:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:14:36,921 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:14:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:14:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:14:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:14:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:14:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:14:36,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:14:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:14:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:14:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:14:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:14:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:14:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:14:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:14:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:14:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:14:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:14:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:14:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:14:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:14:36,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:14:41,487 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:14:41,488 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:14:41,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:14:41 BoogieIcfgContainer [2019-10-15 03:14:41,490 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:14:41,491 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:14:41,491 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:14:41,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:14:41,495 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:14:35" (1/3) ... [2019-10-15 03:14:41,495 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cb45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:14:41, skipping insertion in model container [2019-10-15 03:14:41,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:14:36" (2/3) ... [2019-10-15 03:14:41,496 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75cb45b1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:14:41, skipping insertion in model container [2019-10-15 03:14:41,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:14:41" (3/3) ... [2019-10-15 03:14:41,498 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2019-10-15 03:14:41,508 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:14:41,519 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:14:41,530 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:14:41,560 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:14:41,560 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:14:41,560 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:14:41,560 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:14:41,560 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:14:41,560 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:14:41,560 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:14:41,561 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:14:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states. [2019-10-15 03:14:41,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-10-15 03:14:41,627 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:41,629 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] [2019-10-15 03:14:41,633 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:41,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:41,639 INFO L82 PathProgramCache]: Analyzing trace with hash 388654164, now seen corresponding path program 1 times [2019-10-15 03:14:41,651 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:41,651 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994641256] [2019-10-15 03:14:41,652 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:41,652 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:41,652 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:42,350 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 03:14:42,351 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994641256] [2019-10-15 03:14:42,351 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:42,352 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:14:42,352 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831088143] [2019-10-15 03:14:42,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:14:42,360 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:42,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:14:42,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:14:42,377 INFO L87 Difference]: Start difference. First operand 466 states. Second operand 2 states. [2019-10-15 03:14:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:42,508 INFO L93 Difference]: Finished difference Result 714 states and 861 transitions. [2019-10-15 03:14:42,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:14:42,512 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-10-15 03:14:42,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:42,547 INFO L225 Difference]: With dead ends: 714 [2019-10-15 03:14:42,547 INFO L226 Difference]: Without dead ends: 439 [2019-10-15 03:14:42,561 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 03:14:42,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-10-15 03:14:42,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2019-10-15 03:14:42,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-10-15 03:14:42,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 522 transitions. [2019-10-15 03:14:42,671 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 522 transitions. Word has length 159 [2019-10-15 03:14:42,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:42,673 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 522 transitions. [2019-10-15 03:14:42,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:14:42,673 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 522 transitions. [2019-10-15 03:14:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-10-15 03:14:42,677 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:42,677 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] [2019-10-15 03:14:42,678 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:42,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:42,678 INFO L82 PathProgramCache]: Analyzing trace with hash 215776606, now seen corresponding path program 1 times [2019-10-15 03:14:42,678 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:42,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [421181886] [2019-10-15 03:14:42,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:42,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:42,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:42,994 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 03:14:42,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [421181886] [2019-10-15 03:14:42,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:42,995 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:42,995 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979176878] [2019-10-15 03:14:42,999 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:42,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:43,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:43,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:43,000 INFO L87 Difference]: Start difference. First operand 439 states and 522 transitions. Second operand 3 states. [2019-10-15 03:14:43,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:43,132 INFO L93 Difference]: Finished difference Result 699 states and 824 transitions. [2019-10-15 03:14:43,136 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:43,136 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-10-15 03:14:43,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:43,142 INFO L225 Difference]: With dead ends: 699 [2019-10-15 03:14:43,142 INFO L226 Difference]: Without dead ends: 441 [2019-10-15 03:14:43,145 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:43,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-10-15 03:14:43,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2019-10-15 03:14:43,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-10-15 03:14:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 524 transitions. [2019-10-15 03:14:43,188 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 524 transitions. Word has length 160 [2019-10-15 03:14:43,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:43,191 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 524 transitions. [2019-10-15 03:14:43,191 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:43,191 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 524 transitions. [2019-10-15 03:14:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-10-15 03:14:43,201 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:43,201 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:43,201 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:43,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:43,202 INFO L82 PathProgramCache]: Analyzing trace with hash -2017980988, now seen corresponding path program 1 times [2019-10-15 03:14:43,202 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:43,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328067199] [2019-10-15 03:14:43,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,204 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:43,581 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:14:43,582 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328067199] [2019-10-15 03:14:43,582 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:43,582 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:14:43,583 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805887467] [2019-10-15 03:14:43,585 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:14:43,585 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:43,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:14:43,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:43,586 INFO L87 Difference]: Start difference. First operand 441 states and 524 transitions. Second operand 3 states. [2019-10-15 03:14:43,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:14:43,646 INFO L93 Difference]: Finished difference Result 866 states and 1058 transitions. [2019-10-15 03:14:43,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:14:43,647 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-10-15 03:14:43,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:14:43,654 INFO L225 Difference]: With dead ends: 866 [2019-10-15 03:14:43,654 INFO L226 Difference]: Without dead ends: 483 [2019-10-15 03:14:43,657 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:14:43,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-10-15 03:14:43,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 482. [2019-10-15 03:14:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-10-15 03:14:43,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 595 transitions. [2019-10-15 03:14:43,703 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 595 transitions. Word has length 165 [2019-10-15 03:14:43,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:14:43,704 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 595 transitions. [2019-10-15 03:14:43,704 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:14:43,704 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 595 transitions. [2019-10-15 03:14:43,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-15 03:14:43,711 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:14:43,712 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:14:43,712 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:14:43,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:14:43,715 INFO L82 PathProgramCache]: Analyzing trace with hash 237975755, now seen corresponding path program 1 times [2019-10-15 03:14:43,715 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:14:43,715 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480630483] [2019-10-15 03:14:43,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,715 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:14:43,716 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:14:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:14:44,637 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-10-15 03:14:44,638 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480630483] [2019-10-15 03:14:44,638 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:14:44,638 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-10-15 03:14:44,638 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2057570337] [2019-10-15 03:14:44,640 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-10-15 03:14:44,641 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:14:44,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-10-15 03:14:44,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-10-15 03:14:44,643 INFO L87 Difference]: Start difference. First operand 482 states and 595 transitions. Second operand 27 states. [2019-10-15 03:15:01,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:15:01,685 INFO L93 Difference]: Finished difference Result 1415 states and 1713 transitions. [2019-10-15 03:15:01,685 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-10-15 03:15:01,685 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 166 [2019-10-15 03:15:01,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:15:01,697 INFO L225 Difference]: With dead ends: 1415 [2019-10-15 03:15:01,698 INFO L226 Difference]: Without dead ends: 1157 [2019-10-15 03:15:01,701 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=434, Invalid=3472, Unknown=0, NotChecked=0, Total=3906 [2019-10-15 03:15:01,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2019-10-15 03:15:01,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1146. [2019-10-15 03:15:01,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2019-10-15 03:15:01,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1380 transitions. [2019-10-15 03:15:01,797 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1380 transitions. Word has length 166 [2019-10-15 03:15:01,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:15:01,799 INFO L462 AbstractCegarLoop]: Abstraction has 1146 states and 1380 transitions. [2019-10-15 03:15:01,799 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-10-15 03:15:01,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1380 transitions. [2019-10-15 03:15:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-10-15 03:15:01,804 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:15:01,804 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:15:01,804 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:15:01,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:15:01,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1345678955, now seen corresponding path program 1 times [2019-10-15 03:15:01,805 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:15:01,806 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925575558] [2019-10-15 03:15:01,806 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:01,806 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:15:01,806 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:15:01,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:03,361 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-10-15 03:15:03,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925575558] [2019-10-15 03:15:03,362 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2020037112] [2019-10-15 03:15:03,362 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 03:15:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:15:04,010 INFO L256 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:15:04,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:15:04,180 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:15:04,181 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:15:04,531 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-10-15 03:15:04,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [533334062] [2019-10-15 03:15:04,564 INFO L162 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-10-15 03:15:04,564 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:15:04,572 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:15:04,580 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:15:04,580 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs