/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_spec0_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 04:14:41,137 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 04:14:41,140 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 04:14:41,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 04:14:41,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 04:14:41,158 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 04:14:41,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 04:14:41,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 04:14:41,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 04:14:41,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 04:14:41,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 04:14:41,166 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 04:14:41,166 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 04:14:41,167 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 04:14:41,168 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 04:14:41,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 04:14:41,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 04:14:41,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 04:14:41,173 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 04:14:41,178 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 04:14:41,180 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 04:14:41,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 04:14:41,182 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 04:14:41,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 04:14:41,185 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 04:14:41,185 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 04:14:41,185 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 04:14:41,186 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 04:14:41,186 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 04:14:41,187 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 04:14:41,188 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 04:14:41,188 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 04:14:41,189 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 04:14:41,190 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 04:14:41,191 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 04:14:41,191 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 04:14:41,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 04:14:41,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 04:14:41,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 04:14:41,193 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 04:14:41,194 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 04:14:41,194 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 04:14:41,208 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 04:14:41,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 04:14:41,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 04:14:41,210 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 04:14:41,210 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 04:14:41,210 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 04:14:41,211 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 04:14:41,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 04:14:41,211 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 04:14:41,211 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 04:14:41,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 04:14:41,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 04:14:41,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 04:14:41,212 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 04:14:41,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 04:14:41,212 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 04:14:41,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 04:14:41,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 04:14:41,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 04:14:41,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 04:14:41,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 04:14:41,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:14:41,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 04:14:41,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 04:14:41,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 04:14:41,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 04:14:41,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 04:14:41,215 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 04:14:41,215 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 04:14:41,489 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 04:14:41,502 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 04:14:41,506 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 04:14:41,507 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 04:14:41,508 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 04:14:41,509 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c [2019-11-07 04:14:41,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd31a2a8/f3faed8ef2e64ee58e8ce7dd9a959dfc/FLAGc018c689b [2019-11-07 04:14:42,218 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 04:14:42,218 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec0_product34.cil.c [2019-11-07 04:14:42,246 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd31a2a8/f3faed8ef2e64ee58e8ce7dd9a959dfc/FLAGc018c689b [2019-11-07 04:14:42,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dfd31a2a8/f3faed8ef2e64ee58e8ce7dd9a959dfc [2019-11-07 04:14:42,448 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 04:14:42,450 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 04:14:42,459 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 04:14:42,459 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 04:14:42,463 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 04:14:42,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:14:42" (1/1) ... [2019-11-07 04:14:42,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bde8a2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:42, skipping insertion in model container [2019-11-07 04:14:42,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:14:42" (1/1) ... [2019-11-07 04:14:42,478 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 04:14:42,617 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 04:14:43,446 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:14:43,468 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 04:14:43,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 04:14:43,778 INFO L192 MainTranslator]: Completed translation [2019-11-07 04:14:43,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43 WrapperNode [2019-11-07 04:14:43,779 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 04:14:43,780 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 04:14:43,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 04:14:43,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 04:14:43,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,797 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,901 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... [2019-11-07 04:14:43,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 04:14:43,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 04:14:43,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 04:14:43,974 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 04:14:43,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 04:14:44,064 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 04:14:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 04:14:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 04:14:44,065 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-11-07 04:14:44,066 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-11-07 04:14:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-11-07 04:14:44,067 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-11-07 04:14:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-11-07 04:14:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-11-07 04:14:44,068 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-11-07 04:14:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-11-07 04:14:44,069 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 04:14:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 04:14:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-11-07 04:14:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-11-07 04:14:44,070 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-11-07 04:14:44,072 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-11-07 04:14:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-11-07 04:14:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-11-07 04:14:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-11-07 04:14:44,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-11-07 04:14:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-11-07 04:14:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure bobSetAddressBook [2019-11-07 04:14:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhEnableForwarding [2019-11-07 04:14:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 04:14:44,074 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-11-07 04:14:44,075 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-11-07 04:14:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-11-07 04:14:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-11-07 04:14:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-11-07 04:14:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-11-07 04:14:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-11-07 04:14:44,076 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-11-07 04:14:44,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-11-07 04:14:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-11-07 04:14:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-11-07 04:14:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-11-07 04:14:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-11-07 04:14:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-11-07 04:14:44,078 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-11-07 04:14:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-11-07 04:14:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-11-07 04:14:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-11-07 04:14:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-11-07 04:14:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-11-07 04:14:44,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-11-07 04:14:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-11-07 04:14:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 04:14:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 04:14:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 04:14:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 04:14:44,080 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AddressBook [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Forward [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-11-07 04:14:44,081 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-11-07 04:14:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-11-07 04:14:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-11-07 04:14:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-11-07 04:14:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-11-07 04:14:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-11-07 04:14:44,082 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-11-07 04:14:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-11-07 04:14:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-11-07 04:14:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-11-07 04:14:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-11-07 04:14:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-11-07 04:14:44,083 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-11-07 04:14:44,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-11-07 04:14:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-11-07 04:14:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-11-07 04:14:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-11-07 04:14:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-11-07 04:14:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 04:14:44,085 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Encrypt [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AddressBook [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-11-07 04:14:44,086 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Forward [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-11-07 04:14:44,087 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sendToAddressBook [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-11-07 04:14:44,088 INFO L138 BoogieDeclarations]: Found implementation of procedure forward [2019-11-07 04:14:44,089 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-11-07 04:14:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 04:14:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 04:14:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 04:14:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-11-07 04:14:44,089 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-11-07 04:14:44,090 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-11-07 04:14:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-11-07 04:14:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-11-07 04:14:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-11-07 04:14:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 04:14:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 04:14:44,091 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 04:14:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-11-07 04:14:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-11-07 04:14:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-11-07 04:14:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-11-07 04:14:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-11-07 04:14:44,092 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-11-07 04:14:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-11-07 04:14:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-11-07 04:14:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-11-07 04:14:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-11-07 04:14:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-11-07 04:14:44,093 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 04:14:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 04:14:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 04:14:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-11-07 04:14:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-11-07 04:14:44,094 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-11-07 04:14:44,095 INFO L130 BoogieDeclarations]: Found specification of procedure bobSetAddressBook [2019-11-07 04:14:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure rjhEnableForwarding [2019-11-07 04:14:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-11-07 04:14:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-11-07 04:14:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-11-07 04:14:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 04:14:44,096 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 04:14:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 04:14:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-11-07 04:14:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-11-07 04:14:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-11-07 04:14:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-11-07 04:14:44,097 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-11-07 04:14:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-11-07 04:14:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-11-07 04:14:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-11-07 04:14:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-11-07 04:14:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-11-07 04:14:44,098 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-11-07 04:14:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-11-07 04:14:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-11-07 04:14:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-11-07 04:14:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-11-07 04:14:44,099 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 04:14:44,100 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 04:14:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 04:14:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 04:14:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 04:14:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 04:14:44,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 04:14:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-11-07 04:14:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-11-07 04:14:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-11-07 04:14:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-11-07 04:14:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-11-07 04:14:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-11-07 04:14:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-11-07 04:14:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-11-07 04:14:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-11-07 04:14:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-11-07 04:14:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-11-07 04:14:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-11-07 04:14:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-11-07 04:14:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-11-07 04:14:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-11-07 04:14:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AddressBook [2019-11-07 04:14:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Forward [2019-11-07 04:14:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-11-07 04:14:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-11-07 04:14:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-11-07 04:14:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-11-07 04:14:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-11-07 04:14:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-11-07 04:14:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__DecryptForward_spec__1 [2019-11-07 04:14:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-11-07 04:14:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure sendToAddressBook [2019-11-07 04:14:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure forward [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Encrypt [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AddressBook [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-11-07 04:14:44,109 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Forward [2019-11-07 04:14:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-11-07 04:14:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 04:14:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 04:14:44,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 04:14:48,981 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 04:14:48,982 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-07 04:14:48,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:14:48 BoogieIcfgContainer [2019-11-07 04:14:48,984 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 04:14:48,985 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 04:14:48,985 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 04:14:48,989 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 04:14:48,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:14:42" (1/3) ... [2019-11-07 04:14:48,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df34a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:14:48, skipping insertion in model container [2019-11-07 04:14:48,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:14:43" (2/3) ... [2019-11-07 04:14:48,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2df34a65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:14:48, skipping insertion in model container [2019-11-07 04:14:49,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:14:48" (3/3) ... [2019-11-07 04:14:49,047 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec0_product34.cil.c [2019-11-07 04:14:49,057 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 04:14:49,067 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 04:14:49,079 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 04:14:49,113 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 04:14:49,113 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 04:14:49,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 04:14:49,113 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 04:14:49,114 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 04:14:49,122 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 04:14:49,123 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 04:14:49,123 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 04:14:49,158 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states. [2019-11-07 04:14:49,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-07 04:14:49,197 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:14:49,199 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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 04:14:49,202 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:14:49,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:14:49,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1799427517, now seen corresponding path program 1 times [2019-11-07 04:14:49,220 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:14:49,220 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275113291] [2019-11-07 04:14:49,220 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:14:49,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:14:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 04:14:49,941 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275113291] [2019-11-07 04:14:49,941 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:14:49,942 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 04:14:49,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226379129] [2019-11-07 04:14:49,948 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 04:14:49,949 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:14:49,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 04:14:49,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 04:14:49,966 INFO L87 Difference]: Start difference. First operand 452 states. Second operand 2 states. [2019-11-07 04:14:50,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:14:50,042 INFO L93 Difference]: Finished difference Result 686 states and 820 transitions. [2019-11-07 04:14:50,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 04:14:50,044 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 184 [2019-11-07 04:14:50,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:14:50,067 INFO L225 Difference]: With dead ends: 686 [2019-11-07 04:14:50,067 INFO L226 Difference]: Without dead ends: 425 [2019-11-07 04:14:50,074 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 04:14:50,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2019-11-07 04:14:50,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 425. [2019-11-07 04:14:50,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2019-11-07 04:14:50,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 502 transitions. [2019-11-07 04:14:50,169 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 502 transitions. Word has length 184 [2019-11-07 04:14:50,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:14:50,172 INFO L462 AbstractCegarLoop]: Abstraction has 425 states and 502 transitions. [2019-11-07 04:14:50,172 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 04:14:50,172 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 502 transitions. [2019-11-07 04:14:50,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-07 04:14:50,178 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:14:50,179 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 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, 1] [2019-11-07 04:14:50,179 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:14:50,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:14:50,180 INFO L82 PathProgramCache]: Analyzing trace with hash -734008651, now seen corresponding path program 1 times [2019-11-07 04:14:50,180 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:14:50,180 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [723242984] [2019-11-07 04:14:50,180 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:14:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:14:50,493 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 04:14:50,494 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [723242984] [2019-11-07 04:14:50,494 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:14:50,494 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:14:50,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132471158] [2019-11-07 04:14:50,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:14:50,497 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:14:50,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:14:50,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:14:50,498 INFO L87 Difference]: Start difference. First operand 425 states and 502 transitions. Second operand 3 states. [2019-11-07 04:14:50,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:14:50,574 INFO L93 Difference]: Finished difference Result 671 states and 784 transitions. [2019-11-07 04:14:50,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:14:50,574 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 185 [2019-11-07 04:14:50,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:14:50,580 INFO L225 Difference]: With dead ends: 671 [2019-11-07 04:14:50,580 INFO L226 Difference]: Without dead ends: 427 [2019-11-07 04:14:50,583 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 04:14:50,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-11-07 04:14:50,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2019-11-07 04:14:50,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-11-07 04:14:50,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 504 transitions. [2019-11-07 04:14:50,623 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 504 transitions. Word has length 185 [2019-11-07 04:14:50,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:14:50,623 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 504 transitions. [2019-11-07 04:14:50,623 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:14:50,624 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 504 transitions. [2019-11-07 04:14:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-07 04:14:50,628 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:14:50,628 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1] [2019-11-07 04:14:50,629 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:14:50,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:14:50,629 INFO L82 PathProgramCache]: Analyzing trace with hash -2046027777, now seen corresponding path program 1 times [2019-11-07 04:14:50,629 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:14:50,630 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816351289] [2019-11-07 04:14:50,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:14:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:14:50,844 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 04:14:50,844 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816351289] [2019-11-07 04:14:50,845 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 04:14:50,845 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 04:14:50,846 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463359530] [2019-11-07 04:14:50,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 04:14:50,848 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-11-07 04:14:50,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 04:14:50,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 04:14:50,849 INFO L87 Difference]: Start difference. First operand 427 states and 504 transitions. Second operand 3 states. [2019-11-07 04:14:50,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 04:14:50,907 INFO L93 Difference]: Finished difference Result 838 states and 1018 transitions. [2019-11-07 04:14:50,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 04:14:50,907 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 190 [2019-11-07 04:14:50,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 04:14:50,915 INFO L225 Difference]: With dead ends: 838 [2019-11-07 04:14:50,916 INFO L226 Difference]: Without dead ends: 469 [2019-11-07 04:14:50,917 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 04:14:50,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-11-07 04:14:50,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 468. [2019-11-07 04:14:50,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 468 states. [2019-11-07 04:14:50,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 575 transitions. [2019-11-07 04:14:50,959 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 575 transitions. Word has length 190 [2019-11-07 04:14:50,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 04:14:50,960 INFO L462 AbstractCegarLoop]: Abstraction has 468 states and 575 transitions. [2019-11-07 04:14:50,960 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 04:14:50,960 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 575 transitions. [2019-11-07 04:14:50,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-11-07 04:14:50,964 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 04:14:50,965 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1] [2019-11-07 04:14:50,965 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 04:14:50,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 04:14:50,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1009745432, now seen corresponding path program 1 times [2019-11-07 04:14:50,966 INFO L161 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-11-07 04:14:50,967 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167416833] [2019-11-07 04:14:50,967 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 04:14:51,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:14:51,947 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-07 04:14:51,947 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167416833] [2019-11-07 04:14:51,948 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957815293] [2019-11-07 04:14:51,951 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 04:14:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 04:14:52,660 INFO L256 TraceCheckSpWp]: Trace formula consists of 3107 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 04:14:52,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 04:14:52,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 04:14:52,823 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 04:14:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 04:14:53,124 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [240826649] [2019-11-07 04:14:53,163 INFO L159 IcfgInterpreter]: Started Sifa with 166 locations of interest [2019-11-07 04:14:53,163 INFO L166 IcfgInterpreter]: Building call graph [2019-11-07 04:14:53,175 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-11-07 04:14:53,181 INFO L176 IcfgInterpreter]: Starting interpretation [2019-11-07 04:14:53,182 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs