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_product30.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 03:18:10,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 03:18:10,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 03:18:10,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 03:18:10,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 03:18:10,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 03:18:10,171 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 03:18:10,173 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 03:18:10,175 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 03:18:10,176 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 03:18:10,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 03:18:10,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 03:18:10,178 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 03:18:10,179 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 03:18:10,180 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 03:18:10,181 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 03:18:10,182 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 03:18:10,183 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 03:18:10,185 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 03:18:10,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 03:18:10,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 03:18:10,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 03:18:10,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 03:18:10,200 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 03:18:10,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-15 03:18:10,205 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-15 03:18:10,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-15 03:18:10,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-15 03:18:10,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-15 03:18:10,208 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-15 03:18:10,208 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 03:18:10,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 03:18:10,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 03:18:10,212 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 03:18:10,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 03:18:10,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 03:18:10,217 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 03:18:10,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 03:18:10,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 03:18:10,221 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 03:18:10,223 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 03:18:10,224 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 03:18:10,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 03:18:10,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 03:18:10,247 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 03:18:10,248 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 03:18:10,248 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 03:18:10,248 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 03:18:10,248 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 03:18:10,249 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 03:18:10,249 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 03:18:10,249 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 03:18:10,249 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 03:18:10,249 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 03:18:10,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 03:18:10,250 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 03:18:10,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 03:18:10,250 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 03:18:10,250 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 03:18:10,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 03:18:10,251 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 03:18:10,251 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 03:18:10,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 03:18:10,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:18:10,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 03:18:10,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 03:18:10,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 03:18:10,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 03:18:10,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 03:18:10,253 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 03:18:10,253 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> SIFA_TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Abstract Domain -> CompoundDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> LoopFreeBlock Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Call Summarizer -> TopInputCallSummarizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Fluid -> SizeLimitFluid Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.sifa: Simplification Technique -> SIMPLIFY_QUICK [2019-10-15 03:18:10,567 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 03:18:10,591 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 03:18:10,595 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 03:18:10,596 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 03:18:10,597 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 03:18:10,598 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2019-10-15 03:18:10,675 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3924358da/9f744c8b680c4bf8a90773f98dac2b1f/FLAG9173bb0f7 [2019-10-15 03:18:11,330 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 03:18:11,333 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/email_spec9_product30.cil.c [2019-10-15 03:18:11,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3924358da/9f744c8b680c4bf8a90773f98dac2b1f/FLAG9173bb0f7 [2019-10-15 03:18:11,499 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3924358da/9f744c8b680c4bf8a90773f98dac2b1f [2019-10-15 03:18:11,509 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 03:18:11,511 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 03:18:11,512 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:11,512 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 03:18:11,516 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 03:18:11,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:11" (1/1) ... [2019-10-15 03:18:11,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@247dfb19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:11, skipping insertion in model container [2019-10-15 03:18:11,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 03:18:11" (1/1) ... [2019-10-15 03:18:11,527 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 03:18:11,612 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 03:18:12,432 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:12,466 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 03:18:12,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 03:18:12,785 INFO L192 MainTranslator]: Completed translation [2019-10-15 03:18:12,785 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12 WrapperNode [2019-10-15 03:18:12,787 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 03:18:12,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 03:18:12,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 03:18:12,789 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 03:18:12,809 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:12,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:12,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:12,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:12,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:12,992 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:13,003 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... [2019-10-15 03:18:13,021 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 03:18:13,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 03:18:13,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 03:18:13,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 03:18:13,024 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 03:18:13,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 03:18:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 03:18:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:13,082 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob__wrappee__Base [2019-10-15 03:18:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_bob [2019-10-15 03:18:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh__wrappee__Base [2019-10-15 03:18:13,083 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_rjh [2019-10-15 03:18:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck__wrappee__Base [2019-10-15 03:18:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure setup_chuck [2019-10-15 03:18:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure bobToRjh [2019-10-15 03:18:13,084 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhToBob [2019-10-15 03:18:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-15 03:18:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 03:18:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAdd [2019-10-15 03:18:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAdd [2019-10-15 03:18:13,085 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyAddChuck [2019-10-15 03:18:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyAddChuck [2019-10-15 03:18:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAdd [2019-10-15 03:18:13,086 INFO L138 BoogieDeclarations]: Found implementation of procedure chuckKeyAddRjh [2019-10-15 03:18:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhDeletePrivateKey [2019-10-15 03:18:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure bobKeyChange [2019-10-15 03:18:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhKeyChange [2019-10-15 03:18:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure rjhSetAutoRespond [2019-10-15 03:18:13,087 INFO L138 BoogieDeclarations]: Found implementation of procedure mail [2019-10-15 03:18:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__Keys [2019-10-15 03:18:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:18:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure outgoing [2019-10-15 03:18:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deliver [2019-10-15 03:18:13,088 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Encrypt [2019-10-15 03:18:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Sign [2019-10-15 03:18:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming__wrappee__Verify [2019-10-15 03:18:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure incoming [2019-10-15 03:18:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure createClient [2019-10-15 03:18:13,089 INFO L138 BoogieDeclarations]: Found implementation of procedure sendEmail [2019-10-15 03:18:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure queue [2019-10-15 03:18:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure is_queue_empty [2019-10-15 03:18:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_client [2019-10-15 03:18:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure get_queued_email [2019-10-15 03:18:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure isKeyPairValid [2019-10-15 03:18:13,090 INFO L138 BoogieDeclarations]: Found implementation of procedure generateKeyPair [2019-10-15 03:18:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure autoRespond [2019-10-15 03:18:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure sign [2019-10-15 03:18:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure verify [2019-10-15 03:18:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Keys [2019-10-15 03:18:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__AutoResponder [2019-10-15 03:18:13,091 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail__wrappee__Sign [2019-10-15 03:18:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printMail [2019-10-15 03:18:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable__wrappee__Keys [2019-10-15 03:18:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isReadable [2019-10-15 03:18:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure cloneEmail [2019-10-15 03:18:13,092 INFO L138 BoogieDeclarations]: Found implementation of procedure createEmail [2019-10-15 03:18:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure initClient [2019-10-15 03:18:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientName [2019-10-15 03:18:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientName [2019-10-15 03:18:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientOutbuffer [2019-10-15 03:18:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientOutbuffer [2019-10-15 03:18:13,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookSize [2019-10-15 03:18:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookSize [2019-10-15 03:18:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientAddressBookEntry [2019-10-15 03:18:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAlias [2019-10-15 03:18:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure findClientAddressBookAlias [2019-10-15 03:18:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAlias [2019-10-15 03:18:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAddressBookAddress [2019-10-15 03:18:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAddressBookAddress [2019-10-15 03:18:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientAutoResponse [2019-10-15 03:18:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientAutoResponse [2019-10-15 03:18:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientPrivateKey [2019-10-15 03:18:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientPrivateKey [2019-10-15 03:18:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringSize [2019-10-15 03:18:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringSize [2019-10-15 03:18:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure createClientKeyringEntry [2019-10-15 03:18:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringUser [2019-10-15 03:18:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringUser [2019-10-15 03:18:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientKeyringPublicKey [2019-10-15 03:18:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure findPublicKey [2019-10-15 03:18:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientKeyringPublicKey [2019-10-15 03:18:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientForwardReceiver [2019-10-15 03:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientForwardReceiver [2019-10-15 03:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getClientId [2019-10-15 03:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure setClientId [2019-10-15 03:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-15 03:18:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-15 03:18:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-15 03:18:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-15 03:18:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-15 03:18:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure prompt [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure initEmail [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailId [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailId [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailFrom [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailFrom [2019-10-15 03:18:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailTo [2019-10-15 03:18:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailTo [2019-10-15 03:18:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSubject [2019-10-15 03:18:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSubject [2019-10-15 03:18:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailBody [2019-10-15 03:18:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailBody [2019-10-15 03:18:13,101 INFO L138 BoogieDeclarations]: Found implementation of procedure isEncrypted [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsEncrypted [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailEncryptionKey [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailEncryptionKey [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure isSigned [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSigned [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure getEmailSignKey [2019-10-15 03:18:13,102 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailSignKey [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure isVerified [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure setEmailIsSignatureVerified [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-15 03:18:13,103 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-15 03:18:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-15 03:18:13,104 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-15 03:18:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 03:18:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 03:18:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-15 03:18:13,104 INFO L130 BoogieDeclarations]: Found specification of procedure puts [2019-10-15 03:18:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAutoResponse [2019-10-15 03:18:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientPrivateKey [2019-10-15 03:18:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure createClientKeyringEntry [2019-10-15 03:18:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringUser [2019-10-15 03:18:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringUser [2019-10-15 03:18:13,105 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringPublicKey [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringPublicKey [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure setClientId [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure is_queue_empty [2019-10-15 03:18:13,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_client [2019-10-15 03:18:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure get_queued_email [2019-10-15 03:18:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing [2019-10-15 03:18:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure sendEmail [2019-10-15 03:18:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure generateKeyPair [2019-10-15 03:18:13,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob [2019-10-15 03:18:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh [2019-10-15 03:18:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck [2019-10-15 03:18:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure bobToRjh [2019-10-15 03:18:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure rjhToBob [2019-10-15 03:18:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-15 03:18:13,108 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAdd [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyAddChuck [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAdd [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyAddChuck [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAdd [2019-10-15 03:18:13,109 INFO L130 BoogieDeclarations]: Found specification of procedure bobKeyChange [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhKeyChange [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhDeletePrivateKey [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure chuckKeyAddRjh [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure rjhSetAutoRespond [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure setup_bob__wrappee__Base [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure setup_rjh__wrappee__Base [2019-10-15 03:18:13,110 INFO L130 BoogieDeclarations]: Found specification of procedure setup_chuck__wrappee__Base [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure initClient [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAutoResponse [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientPrivateKey [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure getClientId [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure findPublicKey [2019-10-15 03:18:13,111 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailFrom [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailFrom [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailTo [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailTo [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure isEncrypted [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsEncrypted [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailEncryptionKey [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailEncryptionKey [2019-10-15 03:18:13,112 INFO L130 BoogieDeclarations]: Found specification of procedure isSigned [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSigned [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSignKey [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSignKey [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailIsSignatureVerified [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure createEmail [2019-10-15 03:18:13,113 INFO L130 BoogieDeclarations]: Found specification of procedure queue [2019-10-15 03:18:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure mail [2019-10-15 03:18:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure deliver [2019-10-15 03:18:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure incoming [2019-10-15 03:18:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure createClient [2019-10-15 03:18:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure isKeyPairValid [2019-10-15 03:18:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure autoRespond [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure sign [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure verify [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__2 [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__Keys [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure outgoing__wrappee__AutoResponder [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Encrypt [2019-10-15 03:18:13,115 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Sign [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure incoming__wrappee__Verify [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__EncryptForward_spec__1 [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailId [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure isVerified [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure printMail [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure cloneEmail [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Keys [2019-10-15 03:18:13,116 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__AutoResponder [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure printMail__wrappee__Sign [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure isReadable__wrappee__Keys [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure getClientName [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure setClientName [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure getClientOutbuffer [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure setClientOutbuffer [2019-10-15 03:18:13,117 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookSize [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookSize [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure createClientAddressBookEntry [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAlias [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAlias [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientAddressBookAddress [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure setClientAddressBookAddress [2019-10-15 03:18:13,118 INFO L130 BoogieDeclarations]: Found specification of procedure getClientKeyringSize [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure getClientForwardReceiver [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientForwardReceiver [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure findClientAddressBookAlias [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure setClientKeyringSize [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-15 03:18:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure prompt [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure initEmail [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailId [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailSubject [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailSubject [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure getEmailBody [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure setEmailBody [2019-10-15 03:18:13,120 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-15 03:18:13,121 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-15 03:18:13,122 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-15 03:18:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 03:18:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-15 03:18:13,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 03:18:17,913 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 03:18:17,913 INFO L284 CfgBuilder]: Removed 4 assume(true) statements. [2019-10-15 03:18:17,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:17 BoogieIcfgContainer [2019-10-15 03:18:17,915 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 03:18:17,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-15 03:18:17,916 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-15 03:18:17,919 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-15 03:18:17,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 03:18:11" (1/3) ... [2019-10-15 03:18:17,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcbc993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:17, skipping insertion in model container [2019-10-15 03:18:17,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 03:18:12" (2/3) ... [2019-10-15 03:18:17,920 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dcbc993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 03:18:17, skipping insertion in model container [2019-10-15 03:18:17,920 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 03:18:17" (3/3) ... [2019-10-15 03:18:17,922 INFO L109 eAbstractionObserver]: Analyzing ICFG email_spec9_product30.cil.c [2019-10-15 03:18:17,932 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-15 03:18:17,942 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-15 03:18:17,958 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-15 03:18:17,988 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-15 03:18:17,988 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-15 03:18:17,988 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-15 03:18:17,989 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-15 03:18:17,989 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-15 03:18:17,989 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-15 03:18:17,989 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-15 03:18:17,989 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-15 03:18:18,019 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states. [2019-10-15 03:18:18,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-10-15 03:18:18,036 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:18,037 INFO L380 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] [2019-10-15 03:18:18,041 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:18,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:18,047 INFO L82 PathProgramCache]: Analyzing trace with hash 340420196, now seen corresponding path program 1 times [2019-10-15 03:18:18,057 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:18,057 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998094292] [2019-10-15 03:18:18,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:18,058 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:18,058 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:18,672 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:18,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998094292] [2019-10-15 03:18:18,674 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:18,674 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-15 03:18:18,675 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181809297] [2019-10-15 03:18:18,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-15 03:18:18,684 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:18,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-15 03:18:18,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:18:18,701 INFO L87 Difference]: Start difference. First operand 402 states. Second operand 2 states. [2019-10-15 03:18:18,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:18,779 INFO L93 Difference]: Finished difference Result 570 states and 674 transitions. [2019-10-15 03:18:18,779 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-15 03:18:18,781 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 125 [2019-10-15 03:18:18,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:18,810 INFO L225 Difference]: With dead ends: 570 [2019-10-15 03:18:18,811 INFO L226 Difference]: Without dead ends: 360 [2019-10-15 03:18:18,817 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-15 03:18:18,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-10-15 03:18:18,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2019-10-15 03:18:18,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2019-10-15 03:18:18,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 425 transitions. [2019-10-15 03:18:18,904 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 425 transitions. Word has length 125 [2019-10-15 03:18:18,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:18,907 INFO L462 AbstractCegarLoop]: Abstraction has 360 states and 425 transitions. [2019-10-15 03:18:18,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-15 03:18:18,907 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 425 transitions. [2019-10-15 03:18:18,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-10-15 03:18:18,913 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:18,914 INFO L380 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] [2019-10-15 03:18:18,914 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:18,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:18,914 INFO L82 PathProgramCache]: Analyzing trace with hash 307803979, now seen corresponding path program 1 times [2019-10-15 03:18:18,915 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:18,915 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056479970] [2019-10-15 03:18:18,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:18,915 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:18,915 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:19,162 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:19,163 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056479970] [2019-10-15 03:18:19,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:19,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:19,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145291973] [2019-10-15 03:18:19,165 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:19,166 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:19,166 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:19,166 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:19,166 INFO L87 Difference]: Start difference. First operand 360 states and 425 transitions. Second operand 3 states. [2019-10-15 03:18:19,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:19,228 INFO L93 Difference]: Finished difference Result 555 states and 645 transitions. [2019-10-15 03:18:19,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:19,228 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2019-10-15 03:18:19,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:19,233 INFO L225 Difference]: With dead ends: 555 [2019-10-15 03:18:19,233 INFO L226 Difference]: Without dead ends: 362 [2019-10-15 03:18:19,235 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:19,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2019-10-15 03:18:19,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2019-10-15 03:18:19,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2019-10-15 03:18:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 427 transitions. [2019-10-15 03:18:19,297 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 427 transitions. Word has length 126 [2019-10-15 03:18:19,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:19,298 INFO L462 AbstractCegarLoop]: Abstraction has 362 states and 427 transitions. [2019-10-15 03:18:19,299 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:19,299 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 427 transitions. [2019-10-15 03:18:19,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-10-15 03:18:19,307 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:19,308 INFO L380 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] [2019-10-15 03:18:19,308 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:19,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:19,308 INFO L82 PathProgramCache]: Analyzing trace with hash 797189149, now seen corresponding path program 1 times [2019-10-15 03:18:19,309 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:19,309 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725439118] [2019-10-15 03:18:19,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:19,309 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:19,309 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:19,630 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:19,631 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725439118] [2019-10-15 03:18:19,631 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:19,631 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:19,632 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323038780] [2019-10-15 03:18:19,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:19,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:19,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:19,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:19,636 INFO L87 Difference]: Start difference. First operand 362 states and 427 transitions. Second operand 3 states. [2019-10-15 03:18:19,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:19,707 INFO L93 Difference]: Finished difference Result 706 states and 861 transitions. [2019-10-15 03:18:19,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:19,708 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-10-15 03:18:19,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:19,716 INFO L225 Difference]: With dead ends: 706 [2019-10-15 03:18:19,716 INFO L226 Difference]: Without dead ends: 402 [2019-10-15 03:18:19,721 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:19,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2019-10-15 03:18:19,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 401. [2019-10-15 03:18:19,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2019-10-15 03:18:19,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 495 transitions. [2019-10-15 03:18:19,759 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 495 transitions. Word has length 135 [2019-10-15 03:18:19,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:19,760 INFO L462 AbstractCegarLoop]: Abstraction has 401 states and 495 transitions. [2019-10-15 03:18:19,760 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:19,760 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 495 transitions. [2019-10-15 03:18:19,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-10-15 03:18:19,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:19,768 INFO L380 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] [2019-10-15 03:18:19,768 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:19,769 INFO L82 PathProgramCache]: Analyzing trace with hash 609885719, now seen corresponding path program 1 times [2019-10-15 03:18:19,769 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:19,769 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211271016] [2019-10-15 03:18:19,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:19,770 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:19,770 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:19,955 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-10-15 03:18:19,955 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211271016] [2019-10-15 03:18:19,956 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:19,956 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:19,956 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402404838] [2019-10-15 03:18:19,958 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:19,958 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:19,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:19,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:19,959 INFO L87 Difference]: Start difference. First operand 401 states and 495 transitions. Second operand 3 states. [2019-10-15 03:18:19,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:19,999 INFO L93 Difference]: Finished difference Result 820 states and 1060 transitions. [2019-10-15 03:18:20,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:20,000 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 136 [2019-10-15 03:18:20,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:20,005 INFO L225 Difference]: With dead ends: 820 [2019-10-15 03:18:20,005 INFO L226 Difference]: Without dead ends: 477 [2019-10-15 03:18:20,007 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:20,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-10-15 03:18:20,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 476. [2019-10-15 03:18:20,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2019-10-15 03:18:20,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 625 transitions. [2019-10-15 03:18:20,037 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 625 transitions. Word has length 136 [2019-10-15 03:18:20,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:20,039 INFO L462 AbstractCegarLoop]: Abstraction has 476 states and 625 transitions. [2019-10-15 03:18:20,039 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:20,039 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 625 transitions. [2019-10-15 03:18:20,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-10-15 03:18:20,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:20,045 INFO L380 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] [2019-10-15 03:18:20,045 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:20,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:20,045 INFO L82 PathProgramCache]: Analyzing trace with hash -517723294, now seen corresponding path program 1 times [2019-10-15 03:18:20,046 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:20,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134637628] [2019-10-15 03:18:20,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:20,047 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:20,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:20,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-10-15 03:18:20,274 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2134637628] [2019-10-15 03:18:20,274 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-15 03:18:20,275 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-15 03:18:20,275 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050771011] [2019-10-15 03:18:20,276 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-15 03:18:20,276 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-10-15 03:18:20,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-15 03:18:20,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:20,277 INFO L87 Difference]: Start difference. First operand 476 states and 625 transitions. Second operand 3 states. [2019-10-15 03:18:20,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-15 03:18:20,331 INFO L93 Difference]: Finished difference Result 719 states and 903 transitions. [2019-10-15 03:18:20,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-15 03:18:20,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2019-10-15 03:18:20,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-15 03:18:20,337 INFO L225 Difference]: With dead ends: 719 [2019-10-15 03:18:20,338 INFO L226 Difference]: Without dead ends: 527 [2019-10-15 03:18:20,339 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-15 03:18:20,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-10-15 03:18:20,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 527. [2019-10-15 03:18:20,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2019-10-15 03:18:20,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 675 transitions. [2019-10-15 03:18:20,374 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 675 transitions. Word has length 139 [2019-10-15 03:18:20,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-15 03:18:20,377 INFO L462 AbstractCegarLoop]: Abstraction has 527 states and 675 transitions. [2019-10-15 03:18:20,377 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-15 03:18:20,377 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 675 transitions. [2019-10-15 03:18:20,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-10-15 03:18:20,382 INFO L372 BasicCegarLoop]: Found error trace [2019-10-15 03:18:20,382 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-15 03:18:20,383 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-15 03:18:20,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-15 03:18:20,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1882229267, now seen corresponding path program 1 times [2019-10-15 03:18:20,383 INFO L157 tionRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-10-15 03:18:20,384 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828128431] [2019-10-15 03:18:20,384 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:20,384 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-15 03:18:20,384 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-15 03:18:20,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-15 03:18:21,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828128431] [2019-10-15 03:18:21,270 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565609888] [2019-10-15 03:18:21,270 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-15 03:18:22,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-15 03:18:22,097 INFO L256 TraceCheckSpWp]: Trace formula consists of 3382 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-15 03:18:22,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-15 03:18:22,298 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-10-15 03:18:22,298 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-15 03:18:23,012 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-10-15 03:18:23,013 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [93211206] [2019-10-15 03:18:23,049 INFO L162 IcfgInterpreter]: Started Sifa with 202 locations of interest [2019-10-15 03:18:23,049 INFO L169 IcfgInterpreter]: Building call graph [2019-10-15 03:18:23,061 INFO L174 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-10-15 03:18:23,070 INFO L179 IcfgInterpreter]: Starting interpretation [2019-10-15 03:18:23,071 INFO L199 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs