/usr/bin/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-fb55353 [2019-11-07 04:21:01,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:21:01,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:21:01,205 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:21:01,205 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:21:01,206 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:21:01,208 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:21:01,209 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:21:01,211 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:21:01,212 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:21:01,213 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:21:01,214 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:21:01,214 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:21:01,215 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:21:01,216 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:21:01,217 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:21:01,218 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:21:01,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:21:01,221 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:21:01,222 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:21:01,224 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:21:01,225 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:21:01,226 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:21:01,227 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:21:01,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:21:01,229 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:21:01,229 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:21:01,230 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:21:01,230 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:21:01,231 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:21:01,232 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:21:01,232 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:21:01,233 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:21:01,234 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:21:01,235 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:21:01,235 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:21:01,236 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:21:01,236 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:21:01,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:21:01,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:21:01,238 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:21:01,238 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 [2019-11-07 04:21:01,252 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:21:01,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:21:01,254 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:21:01,254 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:21:01,254 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:21:01,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:21:01,255 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:21:01,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:21:01,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:21:01,255 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:21:01,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:21:01,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:21:01,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:21:01,256 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:21:01,256 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:21:01,256 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:21:01,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:21:01,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:21:01,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:21:01,257 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:21:01,257 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:21:01,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:21:01,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:21:01,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:21:01,258 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:21:01,258 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:21:01,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:21:01,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:21:01,259 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 [2019-11-07 04:21:01,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:21:01,542 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:21:01,545 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:21:01,547 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:21:01,547 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:21:01,548 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-11-07 04:21:01,615 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d46235c/8d0afeb0f1cc45b4b791f61193b7161f/FLAG861e33485 [2019-11-07 04:21:02,302 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:21:02,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec3_product34.cil.c [2019-11-07 04:21:02,337 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d46235c/8d0afeb0f1cc45b4b791f61193b7161f/FLAG861e33485 [2019-11-07 04:21:02,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/66d46235c/8d0afeb0f1cc45b4b791f61193b7161f [2019-11-07 04:21:02,443 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:21:02,445 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:21:02,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:21:02,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:21:02,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:21:02,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:21:02" (1/1) ... [2019-11-07 04:21:02,455 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67a04251 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:02, skipping insertion in model container [2019-11-07 04:21:02,455 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:21:02" (1/1) ... [2019-11-07 04:21:02,465 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:21:02,564 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:21:03,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:21:03,356 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:21:03,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:21:03,644 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:21:03,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03 WrapperNode [2019-11-07 04:21:03,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:21:03,646 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:21:03,646 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:21:03,647 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:21:03,663 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,795 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (1/1) ... [2019-11-07 04:21:03,896 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:21:03,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:21:03,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:21:03,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:21:03,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (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 [2019-11-07 04:21:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:21:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:21:03,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:21:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:21:03,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:21:03,987 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:21:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:21:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:21:03,988 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:21:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:21:03,989 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:21:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:21:03,990 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:21:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:21:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:21:03,991 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:21:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:21:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:21:03,994 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:21:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:21:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:21:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:21:03,995 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:21:03,996 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:21:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:21:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:21:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:21:03,997 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:21:03,998 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:21:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:21:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:21:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:21:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:21:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:21:03,999 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:21:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:21:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:21:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:21:04,000 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:21:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:21:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:21:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:21:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:21:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:21:04,001 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:21:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:21:04,002 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:21:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:21:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:21:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:21:04,003 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:21:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:21:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:21:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:21:04,004 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:21:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:21:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:21:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:21:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:21:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:21:04,005 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:21:04,006 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:21:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:21:04,007 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:21:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:21:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:21:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:21:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:21:04,008 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:21:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:21:04,009 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:21:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:21:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:21:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:21:04,010 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:21:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:21:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:21:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:21:04,011 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:21:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:21:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:21:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:21:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:21:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:21:04,012 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:21:04,013 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:21:04,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:21:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:21:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:21:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:21:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:21:04,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:21:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:21:04,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:21:04,016 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:21:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:21:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:21:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:21:04,017 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:21:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:21:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:21:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:21:04,018 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:21:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:21:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__1 [2019-11-07 04:21:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:21:04,019 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__SignVerify_spec__2 [2019-11-07 04:21:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:21:04,020 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:21:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:21:04,024 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:21:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:21:04,025 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:21:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:21:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:21:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:21:04,026 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:21:04,027 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:21:04,028 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:21:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:21:04,035 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:21:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:21:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:21:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:21:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:21:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:21:04,036 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:21:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:21:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:21:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:21:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:21:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:21:04,037 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:21:04,038 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:21:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:21:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:21:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:21:04,039 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:21:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:21:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:21:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:21:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:21:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:21:04,040 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:21:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:21:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:21:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:21:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:21:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:21:04,041 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:21:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:21:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:21:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:21:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:21:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:21:04,042 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:21:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:21:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:21:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:21:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:21:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:21:04,043 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:21:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:21:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:21:04,044 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:21:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:21:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:21:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:21:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:21:04,045 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:21:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:21:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:21:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:21:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:21:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:21:04,046 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:21:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:21:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:21:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:21:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:21:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:21:04,047 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:21:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:21:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:21:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:21:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:21:04,048 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:21:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:21:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:21:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:21:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:21:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:21:04,049 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:21:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:21:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:21:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:21:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:21:04,050 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:21:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:21:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:21:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:21:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:21:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:21:04,051 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:21:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:21:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:21:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:21:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:21:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:21:04,052 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:21:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:21:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:21:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:21:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:21:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:21:04,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:21:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:21:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:21:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:21:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:21:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:21:04,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:21:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:21:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:21:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:21:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:21:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:21:04,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:21:08,619 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:21:08,619 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:21:08,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:21:08 BoogieIcfgContainer [2019-11-07 04:21:08,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:21:08,623 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:21:08,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:21:08,627 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:21:08,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:21:02" (1/3) ... [2019-11-07 04:21:08,628 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d57d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:21:08, skipping insertion in model container [2019-11-07 04:21:08,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:21:03" (2/3) ... [2019-11-07 04:21:08,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38d57d07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:21:08, skipping insertion in model container [2019-11-07 04:21:08,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:21:08" (3/3) ... [2019-11-07 04:21:08,631 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec3_product34.cil.c [2019-11-07 04:21:08,642 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:21:08,654 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:21:08,666 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:21:08,718 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:21:08,718 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:21:08,718 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:21:08,725 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:21:08,725 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:21:08,725 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:21:08,725 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:21:08,726 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:21:08,819 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states. [2019-11-07 04:21:08,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-07 04:21:08,839 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:08,840 INFO L410 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] [2019-11-07 04:21:08,842 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:08,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:08,848 INFO L82 PathProgramCache]: Analyzing trace with hash 388654164, now seen corresponding path program 1 times [2019-11-07 04:21:08,857 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:08,857 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457791012] [2019-11-07 04:21:08,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:09,523 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:09,524 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457791012] [2019-11-07 04:21:09,524 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:21:09,525 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:21:09,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227329570] [2019-11-07 04:21:09,535 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:21:09,536 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:21:09,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:21:09,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:21:09,559 INFO L87 Difference]: Start difference. First operand 466 states. Second operand 2 states. [2019-11-07 04:21:09,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:21:09,688 INFO L93 Difference]: Finished difference Result 714 states and 861 transitions. [2019-11-07 04:21:09,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:21:09,689 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 159 [2019-11-07 04:21:09,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:21:09,732 INFO L225 Difference]: With dead ends: 714 [2019-11-07 04:21:09,732 INFO L226 Difference]: Without dead ends: 439 [2019-11-07 04:21:09,744 INFO L630 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 [2019-11-07 04:21:09,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2019-11-07 04:21:09,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 439. [2019-11-07 04:21:09,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2019-11-07 04:21:09,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 522 transitions. [2019-11-07 04:21:09,868 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 522 transitions. Word has length 159 [2019-11-07 04:21:09,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:21:09,870 INFO L462 AbstractCegarLoop]: Abstraction has 439 states and 522 transitions. [2019-11-07 04:21:09,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:21:09,871 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 522 transitions. [2019-11-07 04:21:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-07 04:21:09,880 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:09,880 INFO L410 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] [2019-11-07 04:21:09,881 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:09,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:09,881 INFO L82 PathProgramCache]: Analyzing trace with hash 215776606, now seen corresponding path program 1 times [2019-11-07 04:21:09,881 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:09,882 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705816726] [2019-11-07 04:21:09,882 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:09,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:10,085 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:10,085 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705816726] [2019-11-07 04:21:10,086 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:21:10,086 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:21:10,086 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872518579] [2019-11-07 04:21:10,088 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:21:10,088 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:21:10,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:21:10,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:21:10,089 INFO L87 Difference]: Start difference. First operand 439 states and 522 transitions. Second operand 3 states. [2019-11-07 04:21:10,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:21:10,127 INFO L93 Difference]: Finished difference Result 699 states and 824 transitions. [2019-11-07 04:21:10,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:21:10,128 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2019-11-07 04:21:10,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:21:10,132 INFO L225 Difference]: With dead ends: 699 [2019-11-07 04:21:10,132 INFO L226 Difference]: Without dead ends: 441 [2019-11-07 04:21:10,134 INFO L630 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 [2019-11-07 04:21:10,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 441 states. [2019-11-07 04:21:10,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 441 to 441. [2019-11-07 04:21:10,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2019-11-07 04:21:10,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 524 transitions. [2019-11-07 04:21:10,158 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 524 transitions. Word has length 160 [2019-11-07 04:21:10,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:21:10,159 INFO L462 AbstractCegarLoop]: Abstraction has 441 states and 524 transitions. [2019-11-07 04:21:10,159 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:21:10,159 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 524 transitions. [2019-11-07 04:21:10,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-11-07 04:21:10,163 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:10,163 INFO L410 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] [2019-11-07 04:21:10,163 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:10,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:10,164 INFO L82 PathProgramCache]: Analyzing trace with hash -2017980988, now seen corresponding path program 1 times [2019-11-07 04:21:10,164 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:10,164 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761269666] [2019-11-07 04:21:10,165 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:10,506 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:10,506 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761269666] [2019-11-07 04:21:10,506 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:21:10,507 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:21:10,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748703569] [2019-11-07 04:21:10,507 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:21:10,508 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:21:10,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:21:10,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:21:10,508 INFO L87 Difference]: Start difference. First operand 441 states and 524 transitions. Second operand 3 states. [2019-11-07 04:21:10,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:21:10,561 INFO L93 Difference]: Finished difference Result 866 states and 1058 transitions. [2019-11-07 04:21:10,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:21:10,562 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 165 [2019-11-07 04:21:10,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:21:10,569 INFO L225 Difference]: With dead ends: 866 [2019-11-07 04:21:10,570 INFO L226 Difference]: Without dead ends: 483 [2019-11-07 04:21:10,572 INFO L630 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 [2019-11-07 04:21:10,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2019-11-07 04:21:10,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 482. [2019-11-07 04:21:10,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2019-11-07 04:21:10,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 595 transitions. [2019-11-07 04:21:10,610 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 595 transitions. Word has length 165 [2019-11-07 04:21:10,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:21:10,611 INFO L462 AbstractCegarLoop]: Abstraction has 482 states and 595 transitions. [2019-11-07 04:21:10,611 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:21:10,612 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 595 transitions. [2019-11-07 04:21:10,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-07 04:21:10,620 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:10,620 INFO L410 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] [2019-11-07 04:21:10,621 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:10,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:10,621 INFO L82 PathProgramCache]: Analyzing trace with hash 237975755, now seen corresponding path program 1 times [2019-11-07 04:21:10,621 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:10,621 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794263471] [2019-11-07 04:21:10,622 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:11,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-11-07 04:21:11,672 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794263471] [2019-11-07 04:21:11,672 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:21:11,672 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [27] imperfect sequences [] total 27 [2019-11-07 04:21:11,672 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766989366] [2019-11-07 04:21:11,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 27 states [2019-11-07 04:21:11,673 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:21:11,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2019-11-07 04:21:11,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=634, Unknown=0, NotChecked=0, Total=702 [2019-11-07 04:21:11,674 INFO L87 Difference]: Start difference. First operand 482 states and 595 transitions. Second operand 27 states. [2019-11-07 04:21:29,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:21:29,384 INFO L93 Difference]: Finished difference Result 1415 states and 1713 transitions. [2019-11-07 04:21:29,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2019-11-07 04:21:29,384 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 166 [2019-11-07 04:21:29,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:21:29,395 INFO L225 Difference]: With dead ends: 1415 [2019-11-07 04:21:29,396 INFO L226 Difference]: Without dead ends: 1157 [2019-11-07 04:21:29,399 INFO L630 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 [2019-11-07 04:21:29,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1157 states. [2019-11-07 04:21:29,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1157 to 1146. [2019-11-07 04:21:29,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2019-11-07 04:21:29,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1380 transitions. [2019-11-07 04:21:29,467 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1380 transitions. Word has length 166 [2019-11-07 04:21:29,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:21:29,468 INFO L462 AbstractCegarLoop]: Abstraction has 1146 states and 1380 transitions. [2019-11-07 04:21:29,468 INFO L463 AbstractCegarLoop]: Interpolant automaton has 27 states. [2019-11-07 04:21:29,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1380 transitions. [2019-11-07 04:21:29,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-07 04:21:29,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:21:29,472 INFO L410 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] [2019-11-07 04:21:29,472 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:21:29,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:21:29,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1345678955, now seen corresponding path program 1 times [2019-11-07 04:21:29,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:21:29,473 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777009088] [2019-11-07 04:21:29,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:21:29,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:30,854 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 04:21:30,854 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777009088] [2019-11-07 04:21:30,855 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2067575299] [2019-11-07 04:21:30,855 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 [2019-11-07 04:21:31,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:21:31,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 3127 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:21:31,504 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:21:31,654 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:31,654 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:21:31,992 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-07 04:21:31,993 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [394292772] [2019-11-07 04:21:32,023 INFO L159 IcfgInterpreter]: Started Sifa with 155 locations of interest [2019-11-07 04:21:32,024 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:21:32,030 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:21:32,035 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:21:32,036 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs