/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_spec9_product35.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:27:46,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:27:46,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:27:46,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:27:46,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:27:46,971 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:27:46,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:27:46,984 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:27:46,989 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:27:46,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:27:46,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:27:46,993 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:27:46,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:27:46,997 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:27:46,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:27:47,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:27:47,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:27:47,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:27:47,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:27:47,009 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:27:47,014 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:27:47,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:27:47,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:27:47,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:27:47,023 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:27:47,023 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:27:47,023 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:27:47,025 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:27:47,026 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:27:47,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:27:47,028 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:27:47,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:27:47,029 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:27:47,030 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:27:47,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:27:47,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:27:47,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:27:47,033 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:27:47,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:27:47,034 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:27:47,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:27:47,035 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 04:27:47,058 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:27:47,058 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:27:47,059 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:27:47,059 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:27:47,059 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:27:47,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:27:47,065 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:27:47,065 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:27:47,065 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:27:47,065 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:27:47,065 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:27:47,066 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:27:47,067 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:27:47,067 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:27:47,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:27:47,068 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:27:47,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:27:47,068 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:27:47,068 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:27:47,071 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:27:47,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:27:47,071 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:27:47,071 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:27:47,073 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:27:47,073 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:27:47,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:27:47,074 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:27:47,074 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:27:47,074 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 04:27:47,363 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:27:47,376 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:27:47,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:27:47,382 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:27:47,382 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:27:47,383 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product35.cil.c [2019-11-07 04:27:47,450 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f66de05b/a07fb669a3c7447fac8f07e68f7dea99/FLAG045551198 [2019-11-07 04:27:48,050 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:27:48,050 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product35.cil.c [2019-11-07 04:27:48,078 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f66de05b/a07fb669a3c7447fac8f07e68f7dea99/FLAG045551198 [2019-11-07 04:27:48,276 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f66de05b/a07fb669a3c7447fac8f07e68f7dea99 [2019-11-07 04:27:48,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:27:48,307 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:27:48,316 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:27:48,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:27:48,321 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:27:48,322 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:48" (1/1) ... [2019-11-07 04:27:48,334 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@720dc1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:48, skipping insertion in model container [2019-11-07 04:27:48,334 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:48" (1/1) ... [2019-11-07 04:27:48,355 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:27:48,510 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:27:49,360 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:27:49,388 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:27:49,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:27:49,650 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:27:49,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49 WrapperNode [2019-11-07 04:27:49,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:27:49,652 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:27:49,652 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:27:49,653 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:27:49,667 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,668 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,702 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (1/1) ... [2019-11-07 04:27:49,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:27:49,837 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:27:49,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:27:49,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:27:49,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (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 04:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:27:49,897 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:27:49,898 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:27:49,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:27:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:27:49,900 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:27:49,901 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:27:49,902 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:27:49,904 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-11-07 04:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:27:49,905 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:27:49,906 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:27:49,907 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:27:49,908 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:27:49,909 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:27:49,910 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:27:49,911 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:27:49,912 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:27:49,913 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:27:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:27:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-11-07 04:27:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:27:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:27:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:27:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:27:49,915 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:27:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:27:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:27:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:27:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:27:49,916 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:27:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:27:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:27:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-11-07 04:27:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:27:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:27:49,917 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:27:49,918 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:27:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:27:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:27:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:27:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:27:49,919 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:27:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:27:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:27:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:27:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:27:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:27:49,920 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:27:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:27:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:27:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:27:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:27:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:27:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:27:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:27:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:27:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:27:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:27:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:27:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:27:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:27:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:27:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:27:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:27:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:27:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:27:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:27:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:27:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:27:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:27:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:27:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:27:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:27:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:27:49,926 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:27:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:27:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:27:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:27:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:27:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:27:49,927 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:27:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:27:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:27:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:27:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:27:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:27:49,928 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:27:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:27:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:27:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-11-07 04:27:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:27:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:27:49,929 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:27:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:27:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:27:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:27:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:27:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:27:49,930 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:27:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:27:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:27:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:27:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:27:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:27:49,931 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:27:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:27:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:27:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:27:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:27:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:27:49,932 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:27:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:27:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:27:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:27:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:27:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:27:49,933 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:27:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:27:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:27:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:27:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:27:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:27:49,934 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:27:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:27:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:27:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:27:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:27:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:27:49,935 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:27:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:27:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:27:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:27:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:27:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-11-07 04:27:49,936 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:27:49,937 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:27:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:27:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:27:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:27:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:27:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:27:49,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:27:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:27:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:27:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:27:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:27:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:27:49,939 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:27:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:27:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:27:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:27:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:27:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:27:49,940 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:27:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:27:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:27:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-11-07 04:27:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:27:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:27:49,941 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:27:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:27:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:27:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-11-07 04:27:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:27:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-11-07 04:27:49,942 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:27:49,943 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:27:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:27:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:27:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:27:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:27:49,944 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:27:54,802 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:27:54,802 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:27:54,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:54 BoogieIcfgContainer [2019-11-07 04:27:54,804 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:27:54,805 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:27:54,805 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:27:54,809 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:27:54,809 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:27:48" (1/3) ... [2019-11-07 04:27:54,810 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3516a660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:54, skipping insertion in model container [2019-11-07 04:27:54,810 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:49" (2/3) ... [2019-11-07 04:27:54,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3516a660 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:54, skipping insertion in model container [2019-11-07 04:27:54,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:54" (3/3) ... [2019-11-07 04:27:54,812 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product35.cil.c [2019-11-07 04:27:54,823 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:27:54,832 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:27:54,844 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:27:54,875 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:27:54,875 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:27:54,875 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:27:54,875 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:27:54,875 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:27:54,876 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:27:54,876 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:27:54,876 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:27:54,907 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states. [2019-11-07 04:27:54,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-07 04:27:54,924 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:54,925 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:27:54,928 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:54,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:54,934 INFO L82 PathProgramCache]: Analyzing trace with hash -615790935, now seen corresponding path program 1 times [2019-11-07 04:27:54,944 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:54,944 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [6841273] [2019-11-07 04:27:54,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:55,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:55,563 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:55,564 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [6841273] [2019-11-07 04:27:55,565 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:55,565 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:27:55,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213355238] [2019-11-07 04:27:55,572 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:27:55,572 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:55,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:27:55,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:27:55,590 INFO L87 Difference]: Start difference. First operand 482 states. Second operand 2 states. [2019-11-07 04:27:55,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:55,675 INFO L93 Difference]: Finished difference Result 739 states and 881 transitions. [2019-11-07 04:27:55,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:27:55,677 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 132 [2019-11-07 04:27:55,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:55,699 INFO L225 Difference]: With dead ends: 739 [2019-11-07 04:27:55,700 INFO L226 Difference]: Without dead ends: 455 [2019-11-07 04:27:55,707 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 04:27:55,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2019-11-07 04:27:55,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 455. [2019-11-07 04:27:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-11-07 04:27:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 538 transitions. [2019-11-07 04:27:55,833 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 538 transitions. Word has length 132 [2019-11-07 04:27:55,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:55,836 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 538 transitions. [2019-11-07 04:27:55,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:27:55,836 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 538 transitions. [2019-11-07 04:27:55,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-07 04:27:55,850 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:55,850 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:27:55,851 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:55,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:55,851 INFO L82 PathProgramCache]: Analyzing trace with hash 1975888617, now seen corresponding path program 1 times [2019-11-07 04:27:55,851 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:55,852 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [561916263] [2019-11-07 04:27:55,852 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:55,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:56,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:56,260 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [561916263] [2019-11-07 04:27:56,261 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:56,261 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:27:56,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033859501] [2019-11-07 04:27:56,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:27:56,264 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:56,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:27:56,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:27:56,264 INFO L87 Difference]: Start difference. First operand 455 states and 538 transitions. Second operand 3 states. [2019-11-07 04:27:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:56,348 INFO L93 Difference]: Finished difference Result 724 states and 849 transitions. [2019-11-07 04:27:56,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:27:56,348 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2019-11-07 04:27:56,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:56,358 INFO L225 Difference]: With dead ends: 724 [2019-11-07 04:27:56,358 INFO L226 Difference]: Without dead ends: 457 [2019-11-07 04:27:56,367 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 04:27:56,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2019-11-07 04:27:56,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 457. [2019-11-07 04:27:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2019-11-07 04:27:56,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 540 transitions. [2019-11-07 04:27:56,416 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 540 transitions. Word has length 133 [2019-11-07 04:27:56,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:56,417 INFO L462 AbstractCegarLoop]: Abstraction has 457 states and 540 transitions. [2019-11-07 04:27:56,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:27:56,417 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 540 transitions. [2019-11-07 04:27:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-07 04:27:56,422 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:56,422 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:27:56,422 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:56,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:56,424 INFO L82 PathProgramCache]: Analyzing trace with hash 455044022, now seen corresponding path program 1 times [2019-11-07 04:27:56,424 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:56,424 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549818837] [2019-11-07 04:27:56,425 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:56,685 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:56,685 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549818837] [2019-11-07 04:27:56,686 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:27:56,686 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:27:56,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948611786] [2019-11-07 04:27:56,688 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:27:56,688 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:27:56,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:27:56,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:27:56,689 INFO L87 Difference]: Start difference. First operand 457 states and 540 transitions. Second operand 3 states. [2019-11-07 04:27:56,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:27:56,748 INFO L93 Difference]: Finished difference Result 900 states and 1093 transitions. [2019-11-07 04:27:56,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:27:56,748 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2019-11-07 04:27:56,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:27:56,755 INFO L225 Difference]: With dead ends: 900 [2019-11-07 04:27:56,755 INFO L226 Difference]: Without dead ends: 501 [2019-11-07 04:27:56,757 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 04:27:56,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2019-11-07 04:27:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 500. [2019-11-07 04:27:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 500 states. [2019-11-07 04:27:56,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 500 states and 614 transitions. [2019-11-07 04:27:56,808 INFO L78 Accepts]: Start accepts. Automaton has 500 states and 614 transitions. Word has length 145 [2019-11-07 04:27:56,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:27:56,809 INFO L462 AbstractCegarLoop]: Abstraction has 500 states and 614 transitions. [2019-11-07 04:27:56,809 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:27:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 500 states and 614 transitions. [2019-11-07 04:27:56,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-07 04:27:56,812 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:27:56,812 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 04:27:56,813 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:27:56,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:27:56,813 INFO L82 PathProgramCache]: Analyzing trace with hash 327405791, now seen corresponding path program 1 times [2019-11-07 04:27:56,813 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:27:56,814 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410087313] [2019-11-07 04:27:56,814 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:27:56,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:57,948 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-07 04:27:57,948 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410087313] [2019-11-07 04:27:57,949 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718293002] [2019-11-07 04:27:57,949 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 04:27:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:27:58,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 2975 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:27:58,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:27:58,794 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:58,795 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:27:59,053 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-07 04:27:59,054 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [179888429] [2019-11-07 04:27:59,098 INFO L159 IcfgInterpreter]: Started Sifa with 135 locations of interest [2019-11-07 04:27:59,099 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:27:59,113 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:27:59,120 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:27:59,121 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs